Autonomous System
AS19398 — TENET-HEALTHCARE-ASN-01 - Tenet HealthSystem Medical, Inc.(US)
Last fetched
AS19398 is an Autonomous System operated by TENET-HEALTHCARE-ASN-01 - Tenet HealthSystem Medical, Inc. and registered in US. As of Sun, 06 Sep 2026 13:11:02 GMT, it announces 13 routed IP prefixes and peers with 5 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS19398 announces 13 distinct routed prefixes. The 13-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
5 distinct peers via BGP. The first 5 are listed below.
Blast radius
Count of dependent hostnames if AS19398 disappeared from the routing table.
219 hostnames depend on this network.Exact count across all 11 announced prefixes. Snapshot Sun, 14 Jun 2026 05:01:02 GMT.
MOAS / hijack watch
Prefixes routed by AS19398 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 AS19398 is unique to AS19398 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS19398.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS19398"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.