Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS11004

Announcement observedARIN

CITY-OF-GOLDEN-01 - City of Golden · CITY-OF-GOLDEN-01

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 03:27:07Snapshot expired

View network topology RDAP registration

ASN: AS11004
Registration country: United States
Name: CITY-OF-GOLDEN-01 - City of Golden
Abbreviation: CITY-OF-GOLDEN-01
Registration date: 2/4/2020, 23:10:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
23.161.120.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 00:00:00	9/30/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: CITY-OF-GOLDEN-01 - City of Golden
RIR: ARIN
Registration country: United States
Registration date: 2/4/2020, 23:10:00
Abuse contact: itnotifications@cityofgolden.net

Snapshot trend

9/30/2026, 03:27:071 v40 v61 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap