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Hostname

cir.io

Last fetched

cir.io resolves to 16 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in CZ. WHOIS lists iana:49 as the registrar.

Nutrition Label

WHISPER CANON · cir.ioRouting diversity3.5/10Peering density9.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint5.2/10canon.whisper.security/host/cir.io

Resolution chain

cir.io resolves to 16 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
13.227.215.11013.227.215.0/24AS16509AMAZON-02 - Amazon.com, Inc.CZ
13.227.215.21613.227.215.0/24AS16509AMAZON-02 - Amazon.com, Inc.CZ
13.227.215.22413.227.215.0/24AS16509AMAZON-02 - Amazon.com, Inc.CZ
13.227.215.8513.227.215.0/24AS16509AMAZON-02 - Amazon.com, Inc.CZ
13.33.158.12713.33.158.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
13.33.158.16213.33.158.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
13.33.158.713.33.158.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
13.33.158.7813.33.158.0/24AS16509AMAZON-02 - Amazon.com, Inc.DE
3.168.176.2153.168.176.0/21AS16509AMAZON-02 - Amazon.com, Inc.KR
3.168.176.2273.168.176.0/21AS16509AMAZON-02 - Amazon.com, Inc.KR
3.168.176.253.168.176.0/21AS16509AMAZON-02 - Amazon.com, Inc.KR
3.168.176.53.168.176.0/21AS16509AMAZON-02 - Amazon.com, Inc.KR
99.84.169.1199.84.168.0/21AS16509AMAZON-02 - Amazon.com, Inc.US
99.84.169.16599.84.168.0/21AS16509AMAZON-02 - Amazon.com, Inc.US
99.84.169.499.84.168.0/21AS16509AMAZON-02 - Amazon.com, Inc.US
99.84.169.6599.84.168.0/21AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
iana:49
Organization
whois privacy protection service by onamae.com
Contact emails

Subdomains

14 observed subdomains of cir.io.

Web-graph footprint

Distinct hostnames that link to or from cir.io in the public web crawl.

6 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for cir.io.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEamazonses.com

Related pages

Pivot deeper into the graph from cir.io.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cir.io"})-[: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.