Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS22121

Currently announcedSnapshot awaiting refresh

TOPSHAM-COMMUNICATIONS - Topsham Communications LLC · TOPSHAM-COMMUNICATIONS

Last observed10/1/2026, 09:02:03Open ASN profile →

AS22121 relationship topology

Showing 2 / 2

AS22121Topsham Communications …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS17356Vermont Telephone Company, Inc.

Relationship: Upstream
Observed weight: 160
ASN registration country: United States
Latest RIS data: 10/22/2026, 00:00:00

Open AS17356 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS17356Observed weight 160	Vermont Telephone Company, Inc.	Upstream	United States	8/21/2019, 00:00:00	10/22/2026, 00:00:00	500	174
AS11722Observed weight 30	WFC-ASN - Slic Network Solutions, Inc	Upstream	United States	8/21/2019, 00:00:00	10/22/2026, 00:00:00	100	0

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context