Hostname

clv21.jp

Last fetched Mon, 25 May 2026 18:16:10 GMT

clv21.jp resolves to 1 IPv4 address operated by CPI-NET KDDI Web Communications Inc. in JP.

Nutrition Label

Resolution chain

clv21.jp resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
150.60.244.171	150.60.0.0/16	AS9597	CPI-NET KDDI Web Communications Inc.	JP

WHOIS identity

Registrar

—

Organization

(not displayed by registrant's request)

Contact emails

proxy@whoisprotectservice.com

Subdomains

1 observed subdomain of clv21.jp.

Subdomain
www.clv21.jp

Web-graph footprint

Distinct hostnames that link to or from clv21.jp in the public web crawl.

34 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

vlmx-air.secure.ne.jp

SPF policy

1 SPF mechanism authorising senders for clv21.jp.

Mechanism	Target
SPF_INCLUDE	spf.secure.ne.jp

Pivot deeper into the graph from clv21.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "clv21.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.