Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS40284
GSCBN - Glenwood Springs Community Broadband Network Announcing routesAS nameGSCBN
OrganisationGlenwood Springs Community Broadband Network
Registry (RIR)ARIN
HandleAS40284
RangeAS40284
Registered17 Oct 2006
Last changed11 Mar 2017
Abuse contact[email protected]
20IPv4 prefixes
0IPv6 prefixes
4Upstreams
2Downstreams
IPv4 prefixes (20)
RPKI-validate all prefixes of AS40284
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Glenwood Springs Community Broadband Network | CGS-40 | 101 W. 8th Street, Glenwood Springs, CO, 81601, United States | |
| technical, abuse, administrative, noc | Network Operations | NETWO7496-ARIN | [email protected], +1-970-384-4805, +1-970-384-4801 | 101 W. 8th Street, Glenwood Springs, CO, 81601, United States |
Raw registry response
{
"endAutnum": 40284,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-16T17:33:17-05:00"
},
{
"eventAction": "registration",
"eventDate": "2015-07-02T12:44:12-04:00"
}
],
"handle": "NETWO7496-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NETWO7496-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40284"
},
{
"href": "https://whois.arin.net/rest/poc/NETWO7496-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40284"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse",
"administrative",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "101 W. 8th Street\nGlenwood Springs\nCO\n81601\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Network Operations"
],
[
"org",
[],
"text",
"City of Glenwood Springs"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-970-384-4805"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-970-384-4801"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-10-11T11:29:39-04:00"
}
],
"handle": "CGS-40",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CGS-40",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40284"
},
{
"href": "https://whois.arin.net/rest/org/CGS-40",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40284"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Glenwood Springs Community Broadband Network"
],
[
"adr",
{
"label": "101 W. 8th Street\nGlenwood Springs\nCO\n81601\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2017-03-10T15:42:50-05:00"
},
{
"eventAction": "registration",
"eventDate": "2006-10-16T15:00:17-04:00"
}
],
"handle": "AS40284",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/40284",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/40284"
},
{
"href": "https://whois.arin.net/rest/asn/AS40284",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/40284"
}
],
"name": "GSCBN",
"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/40284"
}
],
"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/40284"
}
],
"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"
],
"remarks": [
{
"description": [
"http://www.gscbn.com\r",
"Business hours M-F 7-3:30 24/7 monitoring\r",
"After hours support (970) 384-4809"
],
"title": "Registration Comments"
}
],
"startAutnum": 40284,
"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.