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Hostname

lib4u.cn

Last fetched

lib4u.cn resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:上海福虎信息科技有限公司 as the registrar.

Nutrition Label

WHISPER CANON · lib4u.cnRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/lib4u.cn

Resolution chain

lib4u.cn resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.66.126104.21.64.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.159.234172.67.144.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
registrar:上海福虎信息科技有限公司
Organization
厦门雪锦科技有限公司
Contact emails

Web-graph footprint

Distinct hostnames that link to or from lib4u.cn in the public web crawl.

13 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Related pages

Pivot deeper into the graph from lib4u.cn.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "lib4u.cn"})-[: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.