Network topology

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

AS15121

Currently announcedSnapshot awaiting refresh

CALTEL-COM - Calaveras Internet Company · CALTEL-COM

Last observed9/30/2026, 13:57:41Open ASN profile →

AS15121 relationship topology

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AS15121Calaveras Internet Comp…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 297
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS174 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS174Observed weight 297	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	4,234	311
AS54048Observed weight 62	CVIN - Vast Networks	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	1,411	0

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