Network topology

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

AS23406

Currently announcedSnapshot awaiting refresh

CHOATEHALLSTEWART - CHOATE, HALL & STEWART, LLP · CHOATEHALLSTEWART

Last observed10/1/2026, 12:39:59Open ASN profile →

AS23406 relationship topology

Showing 2 / 2

AS23406CHOATE, HALL & STEWART,…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS19855MASERGY - Masergy Communications, Inc.

Relationship: Upstream
Observed weight: 255
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

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All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS19855Observed weight 255	MASERGY - Masergy Communications, Inc.	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	347	0
AS174Observed weight 236	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	311	0

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