Network topology

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

AS156

Currently announcedSnapshot awaiting refresh

NORTHEASTERN-GW-AS - Northeastern University · NORTHEASTERN-GW-AS

Last observed9/29/2026, 05:52:54Open ASN profile →

AS156 relationship topology

Showing 6 / 6

AS156Northeastern University

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS174COGENT-174 - Cogent Communications, LLC

Relationship: Upstream
Observed weight: 367
ASN registration country: United States
Latest RIS data: 9/28/2026, 00:00:00

Open AS174 profile →

All adjacent autonomous systems

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6 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS174Observed weight 367	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	739
AS3356Observed weight 126	Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	212
AS11164Observed weight 109	INTERNET2-I2PX - Internet2	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	1,055
AS7015Observed weight 47	COMCAST-7015 - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	61
AS10578Observed weight 13	Harvard University	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	16
AS11537Observed weight 12	INTERNET2-RESEARCH-EDU - Internet2	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	109

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