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Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
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AS40499
WG - Washington Gas Announcing routesAS nameWG
OrganisationWashington Gas
Registry (RIR)ARIN
HandleAS40499
RangeAS40499
Registered30 Mar 2007
Last changed30 May 2024
Abuse contact[email protected]
6IPv4 prefixes
0IPv6 prefixes
3Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS15830 | Equinix Equinix (EMEA) Acquisition Enterprises B.V. | 526 |
| AS22773 | ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | 259 |
| AS32550 | EQUINIX-EC-SE - Equinix, Inc. | 259 |
Downstreams
None seen.
IPv4 prefixes (6)
RPKI-validate all prefixes of AS40499
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Washington Gas | WGL-23 | 6801 Industrial Road, Springfield, VA, 22151, United States | |
| technical, noc, abuse, administrative, routing | AltaGas Parent Contact | APC27-ARIN | [email protected], +1-587-955-4543 | 1300, 707 5th St SW, Calgary, AB, T2P 1V8, Canada |
Raw registry response
{
"endAutnum": 40499,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-06-23T14:52:50-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-09T10:33:49-04:00"
}
],
"handle": "APC27-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/APC27-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40499"
},
{
"href": "https://whois.arin.net/rest/poc/APC27-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40499"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"noc",
"abuse",
"administrative",
"routing"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1300, 707 5th St SW\nCalgary\nAB\nT2P 1V8\nCanada"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"AltaGas Parent Contact"
],
[
"org",
[],
"text",
"AltaGas"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-587-955-4543"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-29T16:03:39-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-03-26T15:23:15-04:00"
}
],
"handle": "WGL-23",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/WGL-23",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40499"
},
{
"href": "https://whois.arin.net/rest/org/WGL-23",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40499"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Washington Gas"
],
[
"adr",
{
"label": "6801 Industrial Road\nSpringfield\nVA\n22151\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-29T16:04:41-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-03-29T14:59:12-04:00"
}
],
"handle": "AS40499",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/40499",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40499"
},
{
"href": "https://whois.arin.net/rest/asn/AS40499",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40499"
}
],
"name": "WG",
"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/40499"
}
],
"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/40499"
}
],
"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": 40499,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.
