Network topology

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

AS1255

Currently announcedSnapshot awaiting refresh

SMITHCOLLEGE-AS - Smith College · SMITHCOLLEGE-AS

Last observed9/29/2026, 07:45:53Open ASN profile →

AS1255 relationship topology

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AS1255Smith College

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1968UMASSNET-AS1968 - UMASSNET

Relationship: Upstream
Observed weight: 264
ASN registration country: United States
Latest RIS data: 9/28/2026, 16:00:00

Open AS1968 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS1968Observed weight 264	UMASSNET-AS1968 - UMASSNET	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 16:00:00	4,677	0

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