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Hostname

mrv.co.jp

Last fetched

mrv.co.jp resolves to 1 IPv4 address operated by AS9597 in JP.

Nutrition Label

WHISPER CANON · mrv.co.jpRouting diversity1.5/10Peering density2.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/mrv.co.jp

Resolution chain

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

IPPrefixASNOperatorCountry
194.91.4.164194.91.0.0/16AS9597—JP

WHOIS identity

Registrar
—
Organization
my real vision
Contact emails
—

Subdomains

4 observed subdomains of mrv.co.jp.

Subdomain
npologo.mrv.co.jp
pso.mrv.co.jp
sportsmedia.mrv.co.jp
www.mrv.co.jp

Web-graph footprint

Distinct hostnames that link to or from mrv.co.jp in the public web crawl.

8 sites link to this hostname.

12 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for mrv.co.jp.

MechanismTarget
SPF_INCLUDEspf2.secure.ne.jp

Related pages

Pivot deeper into the graph from mrv.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mrv.co.jp"})-[: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.