Network topology

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

AS13812

Currently announcedSnapshot awaiting refresh

Fisher Scientific · 1999FISHERSYS

Last observed9/30/2026, 10:09:02Open ASN profile →

AS13812 relationship topology

Showing 3 / 3

AS13812Fisher Scientific

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS188392000FISHERISSS - Fisher Scientific

Relationship: Upstream
Observed weight: 523
ASN registration country: United States
Latest RIS data: 10/11/2026, 00:00:00

Open AS18839 profile →

All adjacent autonomous systems

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

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS18839Observed weight 523	2000FISHERISSS - Fisher Scientific	Upstream	United States	8/19/2019, 00:00:00	10/11/2026, 00:00:00	823
AS7018Observed weight 345	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	10/11/2026, 00:00:00	859
AS46887Observed weight 71	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/19/2019, 00:00:00	10/11/2026, 00:00:00	330

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