IP Address Lookup
Look up ownership, network allocation, reverse DNS, and ASN info for any IPv4 or IPv6 address
129.134.31.12
IP Address & Network Information
Network Details
- Reverse DNS (PTR)
- b.ns.facebook.com
- IP Range / CIDR
- 129.134.0.0 - 129.134.255.255
- Organization / Custodian
- Facebook, Inc.
- Network Name
- THEFA-3
- Autonomous System (ASN)
- AS13335Cloudflare, Inc.
- Country
- US
Routing Prefixes (BGP)
129.134.31.0/24 • Announced via AS13335
About IP Address WHOIS
IP addresses are allocated by Regional Internet Registries (RIRs). The registry details include the network block, parent subnet, and managing entity information.