AS56 — DNIC-AS-00056 - United States Department of Defense DoD(US)

Nutrition Label

Routing footprint

AS56 announces 923 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.

• 129.48.0.0/16
• 129.51.3.0/24
• 129.51.5.0/24
• 129.51.100.0/24
• 129.52.0.0/16
• 129.53.0.0/16
• 129.54.48.0/20
• 129.54.64.0/21
• 129.54.80.0/20
• 129.54.88.0/23
• 129.54.96.0/20
• 129.54.112.0/20
• 129.54.0.0/16
• 129.54.128.0/20
• 129.54.144.0/21
• 129.54.160.0/20
• 129.54.184.0/21
• 129.54.192.0/21
• 129.54.200.0/21
• 129.54.208.0/21
• 129.54.224.0/21
• 129.54.232.0/21
• 129.54.240.0/21
• 129.61.0.0/16
• 129.141.0.0/20

Peering ecosystem

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

Blast radius

Approximate count of dependent hostnames if AS56 disappeared from the routing table.

~3,323 hostnames depend on this network.Sampled from 10 prefixes, snapshot Thu, 21 May 2026 06:16:12 GMT.

MOAS / hijack watch

Prefixes routed by AS56 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.

Threat posture

Related pages

Pivot deeper into the graph from AS56.

• Country · US
• Peer · DNIC-ASBLK-27032-27159 - United States Department of Defense DoDAS27064
• Prefix · 129.48.0.0/16
• Live MOAS conflicts feed
• Threat feed · Spamhaus DROP
• Whisper Internet Directory — home

Cypher and MCP

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

MATCH (a:ASN {name: "AS56"})-[: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.