Network topology

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

AS17144

Currently announcedSnapshot awaiting refresh

NUANCE-NOD - Microsoft Corporation · NUANCE-NOD

Last observed9/30/2026, 18:59:16Open ASN profile →

AS17144 relationship topology

Showing 2 / 2

AS17144Microsoft Corporation

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC

Relationship: Upstream
Observed weight: 334
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS46887 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
AS46887Observed weight 334	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	1,002	1,002
AS13791Observed weight 253	INTERNAP-BLK3 - Unitas Global	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	346	0

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