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AS WHOIS

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

Your public IP address216.73.216.24 IPv4

AS402910

ASN-JEFFERSON-01 - Jefferson Announcing routes
AS nameASN-JEFFERSON-01
OrganisationJefferson County Idaho
Registry (RIR)ARIN
HandleAS402910
RangeAS402910
Registered10 Aug 2026
Last changed10 Aug 2026
1IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS46435IRON - IRON232
AS26223SILVERSTAR-TELEPHONE - Silver Star Communications27

Downstreams

None seen.

IPv4 prefixes (1)

RPKI-validate all prefixes of AS402910

Contacts

RoleNameHandleEmail / phoneAddress
registrantJefferson County IdahoJCI-86210 Courthouse Way, Rigby, ID, 83442, United States
technical, abuse, dns, noc, administrativeITIT399-ARIN[email protected], [email protected], [email protected], +1-208-612-6004;ext3014210 Courthouse Way, , Rigby, ID, 83442, United States
Raw registry response
{
    "endAutnum": 402910,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-01-13T15:54:13-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2026-01-13T15:33:14-05:00"
                        }
                    ],
                    "handle": "IT399-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/IT399-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/402910"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/IT399-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/402910"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "Jefferson County Idaho"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "technical",
                        "abuse",
                        "dns",
                        "noc",
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "210 Courthouse Way\n\nRigby\nID\n83442\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "IT"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "Jefferson county"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-208-612-6004;ext3014"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-01-20T16:13:14-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2026-01-13T15:45:10-05:00"
                }
            ],
            "handle": "JCI-86",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/JCI-86",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/402910"
                },
                {
                    "href": "https://whois.arin.net/rest/org/JCI-86",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/402910"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "remarks": [
                {
                    "description": [
                        "Jefferson County Idaho"
                    ],
                    "title": "Registration Comments"
                }
            ],
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Jefferson County Idaho"
                    ],
                    [
                        "adr",
                        {
                            "label": "210 Courthouse Way\nRigby\nID\n83442\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2026-08-10T07:19:27-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2026-08-10T07:19:27-04:00"
        }
    ],
    "handle": "AS402910",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/402910",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/402910"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS402910",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/402910"
        }
    ],
    "name": "ASN-JEFFERSON-01",
    "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/402910"
                }
            ],
            "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/402910"
                }
            ],
            "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": 402910,
    "status": [
        "active"
    ]
}

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