Autonomous system profile

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

AS1803

Announcement observedARIN

COGENT-1803 - Cogent Communications, LLC · COGENT-1803

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

Last active9/29/2026, 08:13:42Snapshot expired

View network topology RDAP registration

ASN: AS1803
Registration country: United States
Name: COGENT-1803 - Cogent Communications, LLC
Abbreviation: COGENT-1803
Registration date: 7/7/1992, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
155.178.69.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid
155.178.70.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	9/29/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: COGENT-1803 - Cogent Communications, LLC
RIR: ARIN
Registration country: United States
Registration date: 7/7/1992, 04:00:00
Abuse contact: abuse@cogentco.com

Snapshot trend

9/29/2026, 08:13:422 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