Network topology

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

AS54178

Currently announcedSnapshot awaiting refresh

Urban Science Applications, Inc. · USAI-NA-01

Last observed10/5/2026, 02:31:10Open ASN profile →

AS54178 relationship topology

Showing 2 / 2

AS54178Urban Science Applicati…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS12129123NET - 123.Net, Inc.

Relationship: Upstream
Observed weight: 463
ASN registration country: United States
Latest RIS data: 10/28/2026, 00:00:00

Open AS12129 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS12129Observed weight 463	123NET - 123.Net, Inc.	Upstream	United States	8/25/2019, 00:00:00	10/28/2026, 00:00:00	1,739	0
AS7018Observed weight 115	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/25/2019, 00:00:00	10/28/2026, 00:00:00	145	0

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