Hostname

cr451.fr

Last fetched Tue, 28 Jul 2026 17:13:15 GMT

cr451.fr resolves to 1 IPv4 address operated by AS16276 in FR.

Nutrition Label

Resolution chain

cr451.fr 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
37.187.137.82	37.187.0.0/16	AS16276	—	FR

WHOIS identity

No WHOIS records are currently associated with cr451.fr in WhisperGraph.

Subdomains

1 observed subdomain of cr451.fr.

Subdomain
www.cr451.fr

Web-graph footprint

Distinct hostnames that link to or from cr451.fr in the public web crawl.

21 sites link to this hostname.

177 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for cr451.fr.

Mechanism	Target
SPF_INCLUDE	mx.ovh.com

Pivot deeper into the graph from cr451.fr.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cr451.fr"})-[: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.