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Autonomous System

AS18693UCH-CENTRAL - University of Colorado Hospital(US)

Last fetched

AS18693 is an Autonomous System operated by UCH-CENTRAL - University of Colorado Hospital and registered in US. As of Thu, 21 May 2026 10:41:00 GMT, it announces 4 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.

Nutrition Label

WHISPER CANON · AS18693Routing diversity3.5/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listingsWHOIS transparencyResolver footprintcanon.whisper.security/asn/18693

Routing footprint

AS18693 announces 4 distinct routed prefixes. The 4-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

Peering ecosystem

4 distinct peers via BGP. The first 4 are listed below.

Peer ASNOperatorCountry
AS209CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLCUS
AS7459GRANDECOM-AS1 - Grande Communications Networks, LLCUS
AS6461ZAYO-6461 - Zayo BandwidthUS
AS3356LEVEL3 - Level 3 Parent, LLCUS

Blast radius

Approximate count of dependent hostnames if AS18693 disappeared from the routing table.

~487 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 10:41:00 GMT.

MOAS / hijack watch

Prefixes routed by AS18693 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 AS18693 is unique to AS18693 in the current routing snapshot.

Threat posture

Related pages

Pivot deeper into the graph from AS18693.

Cypher and MCP

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

MATCH (a:ASN {name: "AS18693"})-[: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.