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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

AS2544

METRO-AS - King County Gov Announcing routes
AS nameMETRO-AS
OrganisationKing County Gov
Registry (RIR)ARIN
HandleAS2544
RangeAS2544
Registered09 Mar 1993
Last changed08 Apr 2010
22IPv4 prefixes
0IPv6 prefixes
9Upstreams
8Downstreams

Upstreams

ASNetwork nameVisibility
AS174COGENT-174 - Cogent Communications, LLC1535
AS6939HURRICANE - Hurricane Electric LLC317
AS18530ISOMEDIA-1 - Isomedia, Inc.89
AS14361HOPONE-GLOBAL - HopOne Internet Corporation84
AS9002RETN-AS RETN Limited30
AS137409GSLNETWORKS-AS-AP - GSL Networks Pty LTD17
AS394256CLOUDSINGULARITY - Tech Futures Interactive Inc.10
AS7575AARNET-AS-AP - Australian Academic and Research Network (AARNet)9
AS52025PARADOXNETWORKS-LIMITED ParadoxNetworks Limited6

Downstreams

ASNetwork nameVisibility
AS33348PIERCE-COUNTY - Pierce County523
AS32148KCLS - King County Library System447
AS30198KENT-SCHOOL-DISTRICT - Kent School District229
AS399987TACOMA-PIERCE-COUNTY-HEALTH-DEPARTMENT - Tacoma-Pierce County Health Department224
AS396890CITYOFREDMOND - City of Redmond Washington222
AS63432PSRFA-ANS - Puget Sound Regional Fire Authority222
AS19014NORCOM - NORCOM31
AS394640TSD409-NET - Tahoma School District No. 40926
IPv4 prefixes (22)

RPKI-validate all prefixes of AS2544

Contacts

RoleNameHandleEmail / phoneAddress
registrantKing County GovMMS-7401 5th AVE, Suite 700, Seattle, WA, 98104, United States
abuse, noc, technical, administrativeNetwork Operations CenterNOC2926-ARIN[email protected], [email protected], [email protected], +1-206-263-7000401 Fifth Ave suite 0700, Seattle, WA, 98104, United States
Raw registry response
{
    "endAutnum": 2544,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-04-30T12:17:50-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2008-01-09T07:18:21-05:00"
                        }
                    ],
                    "handle": "NOC2926-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NOC2926-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/2544"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NOC2926-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/2544"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse",
                        "noc",
                        "technical",
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "401 Fifth Ave suite 0700\nSeattle\nWA\n98104\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Network Operations Center"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "King County, Washington"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-206-263-7000"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2018-12-12T14:18:28-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "1991-02-08T00:00:00-05:00"
                }
            ],
            "handle": "MMS-7",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/MMS-7",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/2544"
                },
                {
                    "href": "https://whois.arin.net/rest/org/MMS-7",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/2544"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "King County Gov"
                    ],
                    [
                        "adr",
                        {
                            "label": "401 5th AVE\nSuite 700\nSeattle\nWA\n98104\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2010-04-07T16:05:49-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "1993-03-09T00:00:00-05:00"
        }
    ],
    "handle": "AS2544",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/2544",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/2544"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS2544",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/2544"
        }
    ],
    "name": "METRO-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/2544"
                }
            ],
            "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/2544"
                }
            ],
            "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": 2544,
    "status": [
        "active"
    ]
}

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