Autonomous System
AS19640 — SD-SGF-01 - Stronghold Data LLC(US)
Last fetched
AS19640 is an Autonomous System operated by SD-SGF-01 - Stronghold Data LLC and registered in US. As of Thu, 21 May 2026 13:22:00 GMT, it announces 1 routed IP prefix and peers with 1 other Autonomous System in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS19640 announces 1 distinct routed prefix. The 1-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
Peering ecosystem
1 distinct peers via BGP. The first 1 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS62943 | AS62943-BLUEBIRD-NETWORK - Missouri Network Alliance, LLC | US |
MOAS / hijack watch
Prefixes routed by AS19640 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 AS19640 is unique to AS19640 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS19640.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS19640"})-[: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.