Hostname

spbook.jp

Last fetched Tue, 21 Jul 2026 21:49:37 GMT

spbook.jp resolves to 1 IPv4 address operated by AS17683 in JP.

Nutrition Label

Resolution chain

spbook.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
202.174.49.131	202.174.48.0/20	AS17683	—	JP

WHOIS identity

Registrar

—

Organization

sannichi printing

Contact emails

nic-db@wintech-com.jp

Subdomains

2 observed subdomains of spbook.jp.

Subdomain
mail.spbook.jp
www.spbook.jp

Web-graph footprint

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

28 sites link to this hostname.

16 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

hsp2.sannichi-p.co.jp

SPF policy

2 SPF mechanisms authorising senders for spbook.jp.

Mechanism	Target
SPF_INCLUDE	spf-hst.comlink.ne.jp
SPF_IP	121.2.78.80/28

Pivot deeper into the graph from spbook.jp.

Cypher and MCP

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

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