Hostname
facebook.cz
Last fetched
facebook.cz resolves to 5 IPv4 addresses operated by FACEBOOK - Facebook, Inc. in US. WHOIS lists registrar:reg-1api as the registrar.
Nutrition Label
Resolution chain
facebook.cz resolves to 5 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 66.220.149.11 | 66.220.144.0/21 | AS32934 | FACEBOOK - Facebook, Inc. | US |
| 66.220.158.11 | 66.220.152.0/21 | AS32934 | FACEBOOK - Facebook, Inc. | US |
| 69.171.224.11 | 69.171.224.0/20 | AS32934 | FACEBOOK - Facebook, Inc. | US |
| 69.171.229.11 | 69.171.224.0/20 | AS32934 | FACEBOOK - Facebook, Inc. | US |
| 69.171.242.11 | 69.171.240.0/20 | AS32934 | FACEBOOK - Facebook, Inc. | US |
WHOIS identity
- Registrar
- registrar:reg-1api
- Organization
- facebook ireland
- Contact emails
Subdomains
3 observed subdomains of facebook.cz.
Web-graph footprint
Distinct hostnames that link to or from facebook.cz in the public web crawl.
192 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 facebook.cz.
- IP · 66.220.149.11
- ASN · AS32934FACEBOOK - Facebook, Inc.
- Registrar · registrar:reg-1api
- Country · US
- Email · domain@fb.com
- TLD · .cz
- Browse hostnames · fa…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "facebook.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.