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Hostname

51721.net

Last fetched

51721.net resolves to 1 IPv4 address operated by AS37963 in CN. WHOIS lists iana:1632 as the registrar.

Nutrition Label

WHISPER CANON · 51721.netRouting diversity1.5/10Peering density5.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.0/10canon.whisper.security/host/51721.net

Resolution chain

51721.net resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
101.132.74.175101.132.0.0/16AS37963—CN

WHOIS identity

Registrar
iana:1632
Organization
liu song
Contact emails

Subdomains

5 observed subdomains of 51721.net.

Subdomain
d.51721.net
dl.51721.net
jianji.51721.net
m.51721.net
www.51721.net

Web-graph footprint

Distinct hostnames that link to or from 51721.net in the public web crawl.

33 sites link to this hostname.

Sample inbound links

Threat posture

History

Related pages

Pivot deeper into the graph from 51721.net.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "51721.net"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

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