Hostname

yaco.co.jp

Last fetched Sun, 26 Jul 2026 21:32:09 GMT

yaco.co.jp resolves to 6 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in JP.

Nutrition Label

Resolution chain

yaco.co.jp resolves to 6 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
13.159.111.237	13.158.0.0/15	AS16509	AMAZON-02 - Amazon.com, Inc.	JP
18.180.231.216	18.180.0.0/15	AS16509	AMAZON-02 - Amazon.com, Inc.	JP
35.75.132.56	35.72.0.0/13	AS16509	AMAZON-02 - Amazon.com, Inc.	JP
52.198.94.103	52.196.0.0/14	AS16509	AMAZON-02 - Amazon.com, Inc.	JP
54.249.168.31	54.249.128.0/17	AS16509	AMAZON-02 - Amazon.com, Inc.	JP
54.65.57.47	54.64.0.0/15	AS16509	AMAZON-02 - Amazon.com, Inc.	JP

WHOIS identity

Registrar: —
Organization: yaco,inc
Contact emails: —

Web-graph footprint

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

6 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail20.onamae.ne.jp

SPF policy

1 SPF mechanism authorising senders for yaco.co.jp.

Mechanism	Target
SPF_INCLUDE	_spf.onamae.ne.jp

Pivot deeper into the graph from yaco.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "yaco.co.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.