Hostname
four-class.jp
Last fetched
four-class.jp resolves to 1 IPv4 address operated by AS9371 in JP.
Nutrition Label
Resolution chain
four-class.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 |
|---|---|---|---|---|
| 133.167.8.94 | 133.167.0.0/16 | AS9371 | — | JP |
WHOIS identity
- Registrar
- —
- Organization
- four class co.,ltd.
- Contact emails
Subdomains
6 observed subdomains of four-class.jp.
Web-graph footprint
Distinct hostnames that link to or from four-class.jp in the public web crawl.
25 sites link to this hostname.
26 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for four-class.jp.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | sendgrid.net |
| SPF_IP | 133.167.8.94 |
| SPF_IP | 150.95.217.33 |
| SPF_IP | 163.44.165.226 |
| SPF_IP | 219.117.221.129 |
Related pages
Pivot deeper into the graph from four-class.jp.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "four-class.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.