Network topology

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

AS18839

Not announcedSnapshot awaiting refresh

2000FISHERISSS - Fisher Scientific · 2000FISHERISSS

Last observed9/30/2026, 23:47:52Open ASN profile →

AS18839 relationship topology

Showing 2 / 2

AS18839Fisher Scientific

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS13812Fisher Scientific

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

Open AS13812 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
AS13812Observed weight 523	Fisher Scientific	Downstream	United States	8/19/2019, 00:00:00	10/11/2026, 00:00:00	823	0
AS46887Observed weight 523	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/19/2019, 00:00:00	10/11/2026, 00:00:00	823	0

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