Network topology

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

AS13548

Currently announcedSnapshot awaiting refresh

College of Charleston · CHARLESTON-AS

Last observed11/2/2026, 21:47:09Open ASN profile →

AS13548 relationship topology

Showing 4 / 4

AS13548College of Charleston

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2711SPIRITTEL-AS - Spirit Communications

Relationship: Upstream
Observed weight: 332
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS2711 profile →

All adjacent autonomous systems

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

4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS2711Observed weight 332	SPIRITTEL-AS - Spirit Communications	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	695
AS209Observed weight 113	CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	180
AS7018Observed weight 82	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	9/19/2019, 00:00:00	11/2/2026, 00:00:00	105
AS2721Observed weight 7	SCLR - CULR, LLC	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	14

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