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Hostname

21js.com

Last fetched

21js.com resolves to 1 IPv4 address operated by AS4837 in CN. WHOIS lists iana:4163 as the registrar.

Nutrition Label

WHISPER CANON · 21js.comRouting diversity1.5/10Peering density8.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint5.6/10canon.whisper.security/host/21js.com

Resolution chain

21js.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
221.12.138.143221.12.128.0/18AS4837—CN

WHOIS identity

Registrar
iana:4163
Organization
jiangshan broadcast tv
Contact emails

Subdomains

7 observed subdomains of 21js.com.

Subdomain
ad.21js.com
ads.21js.com
app.21js.com
bbs.21js.com
news.21js.com
so.21js.com
www.21js.com

Web-graph footprint

Distinct hostnames that link to or from 21js.com in the public web crawl.

14 sites link to this hostname.

Sample inbound links

Threat posture

History

Related pages

Pivot deeper into the graph from 21js.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "21js.com"})-[: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.