IP Address Lookup
Look up ownership, network allocation, reverse DNS, and ASN info for any IPv4 or IPv6 address
198.51.45.1
IP Address & Network Information
Network Details
- Reverse DNS (PTR)
- dns2.p01.nsone.net
- IP Range / CIDR
- 198.51.44.0 - 198.51.45.255
- Organization / Custodian
- IBM
- Network Name
- NSONE-DNS
- Autonomous System (ASN)
- AS13335Cloudflare, Inc.
- Country
- US
Routing Prefixes (BGP)
198.51.45.0/24 • 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.