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Hostname

rtc21.co.kr

Last fetched

rtc21.co.kr resolves to 1 IPv4 address operated by AS-VULTR - The Constant Company, LLC in KR.

Nutrition Label

WHISPER CANON · rtc21.co.krRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/rtc21.co.kr

Resolution chain

rtc21.co.kr resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
141.164.42.248141.164.32.0/19AS20473AS-VULTR - The Constant Company, LLCKR

WHOIS identity

No WHOIS records are currently associated with rtc21.co.kr in WhisperGraph.

Subdomains

1 observed subdomain of rtc21.co.kr.

Web-graph footprint

Distinct hostnames that link to or from rtc21.co.kr in the public web crawl.

37 sites link to this hostname.

11 sites linked to from this hostname.

Threat posture

History

Related pages

Pivot deeper into the graph from rtc21.co.kr.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rtc21.co.kr"})-[: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.