Network topology

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

AS22137

Currently announcedSnapshot awaiting refresh

Blood Center of Wisconsin, Inc. · BCW

Last observed10/1/2026, 09:02:49Open ASN profile →

AS22137 relationship topology

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AS22137Blood Center of Wiscon…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2381WISCNET1-AS - WiscNet

Relationship: Upstream
Observed weight: 281
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

Open AS2381 profile →

All adjacent autonomous systems

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

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2381Observed weight 281	WISCNET1-AS - WiscNet	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	384	0

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