Autonomous system profile

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

AS53641

Announcement observedARIN

Tomales Bay LAN, LLC · TOMALESBAYLAN

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

Last active10/5/2026, 01:01:12Snapshot expired

View network topology RDAP registration

ASN: AS53641
Registration country: United States
Name: Tomales Bay LAN, LLC
Abbreviation: TOMALESBAYLAN
Registration date: 8/1/2012, 18:55:22
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
198.40.44.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Historical record
198.40.44.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	9/26/2026, 08:00:00	✓	×	Historical record
198.40.44.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Historical record
198.40.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Historical record
198.40.46.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Historical record
198.40.46.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Historical record
198.40.47.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Historical record
209.112.111.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/20/2026, 16:00:00	10/4/2026, 16:00:00	✓	×	Historical record

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

Registration and sources

Organization: Tomales Bay LAN, LLC
RIR: ARIN
Registration country: United States
Registration date: 8/1/2012, 18:55:22
Abuse contact: arinsupport@intelletrace.com

Snapshot trend

10/5/2026, 01:01:128 v40 v62 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 · iana-rdap-asn-bootstrap · rir-rdap-asn