Network topology

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

AS23401

Currently announcedSnapshot awaiting refresh

US Tool Group · US-TOOL-GRINDING

Last observed10/1/2026, 12:39:48Open ASN profile →

AS23401 relationship topology

Showing 3 / 3

AS23401US Tool Group

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS22677CHARTER-22677-MO-IL-C3 - Charter Communications LLC

Relationship: Upstream
Observed weight: 142
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

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All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS22677Observed weight 142	CHARTER-22677-MO-IL-C3 - Charter Communications LLC	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	175
AS7018Observed weight 111	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	148
AS7725Observed weight 4	COMCAST-7725 - Comcast Cable Communications, LLC	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	5

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