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Autonomous System

AS18839 — 2000FISHERISSS - Fisher Scientific(US)

Last fetched

AS18839 is an Autonomous System operated by 2000FISHERISSS - Fisher Scientific and registered in US. As of Sun, 06 Sep 2026 13:23:15 GMT, it announces 0 routed IP prefixes and peers with 2 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS18839Routing diversity0.0/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/18839

Routing footprint

AS18839 announces 0 distinct routed prefixes. The 0-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

AS18839 does not announce any prefixes in the current snapshot.

Peering ecosystem

2 distinct peers via BGP. The first 2 are listed below.

Peer ASNOperatorCountry
AS138121999FISHERSYS - Fisher ScientificUS
AS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLCUS

Blast radius

Count of dependent hostnames if AS18839 disappeared from the routing table.

No dependent hostnames recorded for this network.Snapshot Fri, 12 Jun 2026 21:00:38 GMT.

MOAS / hijack watch

Prefixes routed by AS18839 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

No active MOAS conflicts. Every prefix announced by AS18839 is unique to AS18839 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS18839.

Cypher and MCP

Reproduce the headline metric directly against graph.whisper.security:

MATCH (a:ASN {name: "AS18839"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS country

Or query Whisper from your own LLM workflow via the Whisper MCP server.

AS18839 — 2000FISHERISSS - Fisher Scientific — Whisper Internet Directory