Network topology

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

AS22637

Not announcedSnapshot awaiting refresh

C-R-T - Zayo Bandwidth · C-R-T

Last observed10/1/2026, 10:34:54Open ASN profile →

AS22637 relationship topology

Showing 5 / 5

AS22637Zayo Bandwidth

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6461ZAYO-6461 - Zayo Bandwidth

Relationship: Upstream
Observed weight: 816
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

Open AS6461 profile →

All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS6461Observed weight 816	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	1,234
AS20227Observed weight 256	Network name pending collection	Downstream	Registration country pending sync	8/21/2019, 00:00:00	10/1/2026, 00:00:00	333
AS394573Observed weight 250	GreenStone Farm Credit Services	Downstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	326
AS395614Observed weight 207	City of Lansing	Downstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	273
AS23082Observed weight 103	Michigan Public Health Institute	Downstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	302

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