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Hostname

i0.cz

Last fetched

i0.cz resolves to 1 IPv4 address operated by AS43614 in CZ. WHOIS lists registrar:reg-ignum as the registrar.

Nutrition Label

WHISPER CANON · i0.czRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint8.2/10canon.whisper.security/host/i0.cz

Resolution chain

i0.cz resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
46.255.231.12446.255.224.0/21AS43614—CZ

WHOIS identity

Registrar
registrar:reg-ignum
Organization
centrum holdings s.r.o.
Contact emails

Subdomains

21 observed subdomains of i0.cz.

Subdomain
120.i0.cz
bbx.i0.cz
cdn.i0.cz
eb-bbx.i0.cz
jiskreni.i0.cz
lbfb.i0.cz
nj-download.i0.cz
nj-img.i0.cz
nj-upload.i0.cz
r.i0.cz
www.i0.cz

Showing 11 of 21. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from i0.cz in the public web crawl.

181 sites link to this hostname.

1 site linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

Related pages

Pivot deeper into the graph from i0.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "i0.cz"})-[: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.