IP Address Lookup
Look up ownership, network allocation, reverse DNS, and ASN info for any IPv4 or IPv6 address
150.171.21.4
IP Address & Network Information
Network Details
- Reverse DNS (PTR)
- ns2-04.azure-dns.net
- IP Range / CIDR
- 150.171.0.0 - 150.171.255.255
- Organization / Custodian
- Microsoft Corporation
- Network Name
- MSFT
- Autonomous System (ASN)
- AS13335Cloudflare, Inc.
- Country
- US
Routing Prefixes (BGP)
150.171.21.0/24 • 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.