Hostname

i22.cz

Last fetched Mon, 10 Aug 2026 11:00:38 GMT

i22.cz resolves to 1 IPv4 address operated by ACTIVE24-AS - ACTIVE 24, s.r.o. in CZ.

Nutrition Label

Resolution chain

i22.cz resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
31.15.10.171	31.15.8.0/21	AS25234	ACTIVE24-AS - ACTIVE 24, s.r.o.	CZ

WHOIS identity

No WHOIS records are currently associated with i22.cz in WhisperGraph.

Subdomains

2 observed subdomains of i22.cz.

Subdomain
autodiscover.i22.cz
www.i22.cz

Web-graph footprint

Distinct hostnames that link to or from i22.cz in the public web crawl.

31 sites linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for i22.cz.

Mechanism	Target
SPF_INCLUDE	spf.active24.com

Pivot deeper into the graph from i22.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "i22.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.