Network topology

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

AS22700

Currently announcedSnapshot awaiting refresh

University of San Francisco · USFCA

Last observed10/1/2026, 10:36:57Open ASN profile →

AS22700 relationship topology

Showing 3 / 3

AS22700University of San Franc…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS7018ATT-INTERNET4 - AT&T Enterprises, LLC

Relationship: Upstream
Observed weight: 157
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS7018 profile →

All adjacent autonomous systems

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

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS7018Observed weight 157	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/21/2019, 00:00:00	11/2/2026, 00:00:00	207
AS33651Observed weight 157	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	11/2/2026, 00:00:00	673
AS33667Observed weight 101	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	11/2/2026, 00:00:00	446

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