Organization
King County Gov
METROSEA
Location
Seattle (Pioneer Square)
Washington, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Washington
- City
- Seattle (Pioneer Square)
- Continent
- North America
- Coordinates
- 47.6025, -122.329 View on map ↗
Network Information
IP Range 146.129.0.0 – 146.129.255.255 CIDR 146.129.0.0/16 Network Name METROSEA Handle NET-146-129-0-0-1 Type DIRECT ALLOCATION Parent Network NET-146-0-0-0-0 Organization King County Gov Organization ID MMS-7 Address 401 5th AVE, Suite 700, Seattle, WA, 98104, United States Country United States (US) Registry ARIN Registered On Feb 08, 1991 Last Updated Dec 15, 2021 Status
active
ASN & Routing
Origin AS AS2544 AS Name METRO-AS - King County Gov, US Announced Prefix 146.129.0.0/17 AS Registry ARIN Prefix Country United States (US) Allocated 1991-02-08 RPKI Origin Valid (covered by a matching ROA)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "146.129.0.0",
"length": 16
}
],
"endAddress": "146.129.255.255",
"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/ip/146.129.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/NOC2926-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/146.129.0.0"
}
],
"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/ip/146.129.0.0"
},
{
"href": "https://whois.arin.net/rest/org/MMS-7",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/146.129.0.0"
}
],
"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": "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/ip/146.129.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/NOC2926-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/146.129.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse",
"noc"
],
"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": "2021-12-14T20:28:52-05:00"
},
{
"eventAction": "registration",
"eventDate": "1991-02-08T00:00:00-05:00"
}
],
"handle": "NET-146-129-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/146.129.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/146.129.0.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-146-129-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/146.129.0.0"
}
],
"name": "METROSEA",
"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/ip/146.129.0.0"
}
],
"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/ip/146.129.0.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-146-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "146.129.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.