IPv4 addresses
69,376
CIDR ranges
10
Category
isp
Countries served by Optimum Online
Every country where this organization has IPv4 allocations, ranked by IPs held.
Largest CIDR ranges
| CIDR | IPs | ASN |
|---|---|---|
| 63.143.128.0/17 | 32.8K | AS53488 |
| 24.246.128.0/18 | 16.4K | AS53488 |
| 216.116.224.0/19 | 8.2K | AS53488 |
| 173.246.192.0/20 | 4.1K | AS53488 |
| 64.127.208.0/20 | 4.1K | AS53488 |
| 173.246.208.0/21 | 2.0K | AS53488 |
| 173.246.222.0/23 | 512 | AS53488 |
| 198.185.218.0/23 | 512 | AS53488 |
| 173.246.216.0/23 | 512 | AS53488 |
| 205.236.71.0/24 | 256 | AS53488 |