cidr.xyz
Interactive visual CIDR and IP range calculator
Instantly compute and visualize CIDR subnets, IP ranges and masks. Free online tool for accurate network design, planning and IT education.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2025-04-11 |
| Last crawled | 2026-06-14 |
| IPv4 | 104.21.96.1 |
| IPv6 | 2606:4700:3030::6815:7001 |
| Network | AS13335 Cloudflare, Inc. · California |
| CNAME | cidr.xyz |
| Language | en |
| Server | cloudflare |