Hostname

a4u.one

Last fetched Sun, 26 Jul 2026 05:34:59 GMT

a4u.one resolves to 2 IPv4 addresses operated by AS197695 in RU. WHOIS lists iana:1345 as the registrar.

Nutrition Label

Resolution chain

a4u.one resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
194.67.71.159	194.67.71.0/24	AS197695	—	RU
95.217.218.86	95.217.0.0/16	AS24940	—	FI

WHOIS identity

Registrar: iana:1345
Organization: c/o whoisproxy.com
Contact emails: —

Subdomains

1 observed subdomain of a4u.one.

Subdomain
www.a4u.one

Web-graph footprint

Distinct hostnames that link to or from a4u.one in the public web crawl.

5 sites linked to from this hostname.

Sample inbound links

domain.gov.mex.com

Sample outbound links

Threat posture

History

Pivot deeper into the graph from a4u.one.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "a4u.one"})-[: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.