Hostname

100.jpn.com

Last fetched Sun, 28 Jun 2026 18:07:34 GMT

100.jpn.com resolves to 1 IPv4 address operated by AS7506 in JP. WHOIS lists iana:49 as the registrar.

Nutrition Label

Resolution chain

100.jpn.com 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
157.7.189.251	157.7.128.0/17	AS7506	—	JP

WHOIS identity

Registrar: iana:49
Organization: —
Contact emails: —

Subdomains

2 observed subdomains of 100.jpn.com.

Subdomain
hostmaster.100.jpn.com
www.100.jpn.com

Web-graph footprint

Distinct hostnames that link to or from 100.jpn.com in the public web crawl.

168 sites linked to from this hostname.

Sample inbound links

artmixture.co.jp

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mx.hetemail.jp

SPF policy

1 SPF mechanism authorising senders for 100.jpn.com.

Mechanism	Target
SPF_INCLUDE	_spf.heteml.jp

Pivot deeper into the graph from 100.jpn.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "100.jpn.com"})-[: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.