Network topology

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

AS19950

Currently announcedSnapshot awaiting refresh

CBNEPTUNE-AS-19950 - CB Neptune Holdings, LLC · CBNEPTUNE-AS-19950

Last observed10/1/2026, 04:12:55Open ASN profile →

AS19950 relationship topology

Showing 5 / 5

AS19950CB Neptune Holdings, LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6461ZAYO-6461 - Zayo Bandwidth

Relationship: Upstream
Observed weight: 519
ASN registration country: United States
Latest RIS data: 10/12/2026, 00:00:00

Open AS6461 profile →

All adjacent autonomous systems

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

5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS6461Observed weight 519	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/21/2019, 00:00:00	10/12/2026, 00:00:00	1,678
AS46887Observed weight 519	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/21/2019, 00:00:00	10/12/2026, 00:00:00	669
AS3356Observed weight 255	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/21/2019, 00:00:00	10/12/2026, 00:00:00	332
AS3257Observed weight 253	GTT-BACKBONE GTT Communications Inc.	Upstream	Germany	8/21/2019, 00:00:00	10/12/2026, 00:00:00	330
AS286Observed weight 1	KPN GTT Communications Inc.	Upstream	Germany	8/21/2019, 00:00:00	10/12/2026, 00:00:00	1

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