Network topology

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

AS27595

Currently announcedSnapshot awaiting refresh

Columbia College Chicago · COLUM-600

Last observed10/1/2026, 23:24:12Open ASN profile →

AS27595 relationship topology

Showing 2 / 2

AS27595Columbia College Chicago

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS25645MOMENTUM-ACCESS - Momentum Telecom, Inc.

Relationship: Upstream
Observed weight: 238
ASN registration country: United States
Latest RIS data: 10/30/2026, 00:00:00

Open AS25645 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
AS25645Observed weight 238	MOMENTUM-ACCESS - Momentum Telecom, Inc.	Upstream	United States	8/21/2019, 00:00:00	10/30/2026, 00:00:00	570	0
AS6079Observed weight 24	RCN-AS - RCN	Upstream	United States	8/21/2019, 00:00:00	10/30/2026, 00:00:00	90	0

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