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AS WHOIS

Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.

Your public IP address216.73.217.140 IPv4

AS4539

SEL-AS - Schweitzer Engineering Laboratories, Inc. Announcing routes
AS nameSEL-AS
OrganisationSchweitzer Engineering Laboratories, Inc.
Registry (RIR)ARIN
HandleAS4539
RangeAS4539
Registered17 Sep 2009
Last changed02 Mar 2012
2IPv4 prefixes
0IPv6 prefixes
4Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS209CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC222
AS23138FIRST-STEP - FIRST STEP INTERNET, LLC110
AS20055AS-WHOLESAIL - Wholesail networks LLC72
AS3356LEVEL3 - Level 3 Parent, LLC63

Downstreams

None seen.

IPv4 prefixes (2)

RPKI-validate all prefixes of AS4539

Contacts

RoleNameHandleEmail / phoneAddress
registrantSchweitzer Engineering Laboratories, Inc.SCHWE-52350 NE HOPKINS COURT, Pullman, WA, 99163, United States
technical, abuseMike StubbersMST325-ARIN[email protected], [email protected], +1-509-332-18902350 NE Hopkins Court, Pullman, WA, 99163, United States
technical, administrativeGreg LapradeLAPRA18-ARIN[email protected], +1-509-332-18902350 NE Hopkins Ct., Pullman, WA, 99163, United States
technicalNetteamNETTE17-ARIN[email protected], +1-509-332-18902350 NE Hopkins Ct., Pullman, WA, 99163, United States
abuseNetwork Infrastructure SupportNIS8-ARIN[email protected], +1-509-332-1890One Schweitzer Drive, Pullman, WA, 99163, United States
technicalNetwork Infrastructure SupportNIS8-ARIN[email protected], +1-509-332-1890One Schweitzer Drive, Pullman, WA, 99163, United States
Raw registry response
{
    "endAutnum": 4539,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-12-15T13:43:17-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2009-08-12T10:06:29-04:00"
                        }
                    ],
                    "handle": "MST325-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/MST325-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/4539"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/MST325-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/4539"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical",
                        "abuse"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2350 NE Hopkins Court\nPullman\nWA\n99163\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Mike Stubbers"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Stubbers",
                                    "Mike",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-509-332-1890"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-03-30T16:19:43-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2026-03-30T16:19:43-04:00"
                        }
                    ],
                    "handle": "LAPRA18-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/LAPRA18-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/4539"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/LAPRA18-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/4539"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical",
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2350 NE Hopkins Ct.\nPullman\nWA\n99163\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Greg Laprade"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Laprade",
                                    "Greg",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-509-332-1890"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-03-30T16:34:35-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2026-03-30T16:34:35-04:00"
                        }
                    ],
                    "handle": "NETTE17-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NETTE17-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/4539"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NETTE17-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/4539"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "2350 NE Hopkins Ct.\nPullman\nWA\n99163\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Netteam"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "Schweitzer Engineering"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-509-332-1890"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-04-02T19:40:12-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2009-07-21T11:48:05-04:00"
                        }
                    ],
                    "handle": "NIS8-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NIS8-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/4539"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NIS8-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/4539"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "One Schweitzer Drive\nPullman\nWA\n99163\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Network Infrastructure Support"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "Schweitzer Engineering Laboratories Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-509-332-1890"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-03-30T16:37:24-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2009-08-13T14:25:34-04:00"
                }
            ],
            "handle": "SCHWE-5",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/SCHWE-5",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/4539"
                },
                {
                    "href": "https://whois.arin.net/rest/org/SCHWE-5",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/4539"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Schweitzer Engineering Laboratories, Inc."
                    ],
                    [
                        "adr",
                        {
                            "label": "2350 NE HOPKINS COURT\nPullman\nWA\n99163\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-04-02T19:40:12-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2009-07-21T11:48:05-04:00"
                }
            ],
            "handle": "NIS8-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/NIS8-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/4539"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/NIS8-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/4539"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "technical"
            ],
            "status": [
                "validated"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "One Schweitzer Drive\nPullman\nWA\n99163\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Network Infrastructure Support"
                    ],
                    [
                        "org",
                        [],
                        "text",
                        "Schweitzer Engineering Laboratories Inc."
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-509-332-1890"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2012-03-02T08:03:18-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2009-09-17T08:19:01-04:00"
        }
    ],
    "handle": "AS4539",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/4539",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/4539"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS4539",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/4539"
        }
    ],
    "name": "SEL-AS",
    "notices": [
        {
            "description": [
                "By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/tou/",
                    "rel": "terms-of-service",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/autnum/4539"
                }
            ],
            "title": "Terms of Service"
        },
        {
            "description": [
                "If you see inaccuracies in the results, please visit: "
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
                    "rel": "inaccuracy-report",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/autnum/4539"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "autnum",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "nro_rdap_profile_asn_flat_0"
    ],
    "startAutnum": 4539,
    "status": [
        "active"
    ]
}

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