19.12.72.0/21

Nutrition Label

Announcing ASNs

Profile data is temporarily unavailable. Refresh in a moment to retry.

MOAS conflicts

No active MOAS conflicts for 19.12.72.0/21. This prefix is announced by its registered originator only.

Sample IPs

23 of the IPv4 addresses observed announced in 19.12.72.0/21 (sampled from the prefix; not necessarily exhaustive).

• 19.12.76.203
• 19.12.76.204
• 19.12.77.20
• 19.12.77.200
• 19.12.77.217
• 19.12.77.218
• 19.12.77.219
• 19.12.77.220
• 19.12.77.241
• 19.12.77.242
• 19.12.77.243
• 19.12.77.244
• 19.12.77.245

Related pages

Pivot deeper into the graph from 19.12.72.0/21.

• Sample IP · 19.12.76.203
• TLD · .com
• Whisper Internet Directory — home
• Live MOAS conflicts feed
• United States internet infrastructure

Cypher and MCP

Reproduce the prefix profile directly against graph.whisper.security:

MATCH (ap:ANNOUNCED_PREFIX {name: "19.12.72.0/21"})
OPTIONAL MATCH (ap)-[:ROUTES]->(asn:ASN)
OPTIONAL MATCH (asn)-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (ap)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN ap.name AS cidr,
       asn.name AS asn,
       n.name AS network,
       c.name AS country

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