Network topology

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

AS23351

Currently announcedSnapshot awaiting refresh

Synopsys Inc. · ANSYSNH

Last observed10/1/2026, 12:18:29Open ASN profile →

AS23351 relationship topology

Showing 2 / 2

AS23351Synopsys Inc.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS17356Vermont Telephone Company, Inc.

Relationship: Upstream
Observed weight: 215
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

Open AS17356 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS17356Observed weight 215	Vermont Telephone Company, Inc.	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	294	0
AS701Observed weight 55	UUNET - Verizon Business	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	74	0

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