Autonomous system profile

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

AS22121

Announcement observedARIN

Topsham Communications LLC · TOPSHAM-COMMUNICATIONS

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

Last active10/1/2026, 09:02:03Snapshot expired

View network topology RDAP registration

ASN: AS22121
Registration country: United States
Name: Topsham Communications LLC
Abbreviation: TOPSHAM-COMMUNICATIONS
Registration date: 7/16/2010, 18:58:07
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
172.99.224.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
199.21.136.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid
38.56.71.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/19/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Topsham Communications LLC
RIR: ARIN
Registration country: United States
Registration date: 7/16/2010, 18:58:07
Abuse contact: dongmgr@cit-tele.com

Snapshot trend

10/1/2026, 09:02:033 v41 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