Hostname

rtnet1.jp

Last fetched Tue, 14 Jul 2026 03:05:07 GMT

rtnet1.jp resolves to 1 IPv4 address operated by AS7506 in JP.

Nutrition Label

Resolution chain

rtnet1.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
118.27.99.149	118.27.99.0/24	AS7506	—	JP

WHOIS identity

Registrar

—

Organization

(not displayed by registrant's request)

Contact emails

Subdomains

1 observed subdomain of rtnet1.jp.

Subdomain
www.rtnet1.jp

Web-graph footprint

Distinct hostnames that link to or from rtnet1.jp in the public web crawl.

29 sites link to this hostname.

48 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail47.onamae.ne.jp

SPF policy

1 SPF mechanism authorising senders for rtnet1.jp.

Mechanism	Target
SPF_INCLUDE	_spf.onamae.ne.jp

Pivot deeper into the graph from rtnet1.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rtnet1.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.