Hostname
an.facebook.com
Last fetched
an.facebook.com resolves to 8 IPv4 addresses operated by FACEBOOK - Facebook, Inc. in FR.
Nutrition Label
Resolution chain
an.facebook.com resolves to 8 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 157.240.202.14 | 157.240.202.0/24 | AS32934 | FACEBOOK - Facebook, Inc. | FR |
| 157.240.224.12 | 157.240.224.0/24 | AS32934 | FACEBOOK - Facebook, Inc. | UA |
| 157.240.241.17 | 157.240.241.0/24 | AS32934 | FACEBOOK - Facebook, Inc. | US |
| 157.240.253.13 | 157.240.253.0/24 | AS32934 | FACEBOOK - Facebook, Inc. | DE |
| 157.240.30.18 | 157.240.30.0/24 | AS32934 | FACEBOOK - Facebook, Inc. | CZ |
| 57.144.238.141 | 57.144.238.0/23 | AS32934 | FACEBOOK - Facebook, Inc. | IE |
| 57.144.244.141 | 57.144.244.0/23 | AS32934 | FACEBOOK - Facebook, Inc. | IE |
| 57.144.248.141 | 57.144.248.0/23 | AS32934 | FACEBOOK - Facebook, Inc. | IE |
WHOIS identity
WHOIS data is temporarily unavailable. Refresh in a moment to retry.
Subdomains
Subdomain count is temporarily unavailable. Refresh in a moment to retry.
Web-graph footprint
Distinct hostnames that link to or from an.facebook.com in the public web crawl.
Threat posture
History
Mail and authentication
MX records
SPF policy
1 SPF mechanism authorising senders for an.facebook.com.
| Mechanism | Target |
|---|---|
| SPF_A | an.facebook.com |
Related pages
Pivot deeper into the graph from an.facebook.com.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "an.facebook.com"})-[: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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.