IPv4 addresses
12,800
CIDR ranges
20
Category
isp
Countries served by Optical Structural Network Ltd.
Every country where this organization has IPv4 allocations, ranked by IPs held.
ASNs owned by Optical Structural Network Ltd.
Largest CIDR ranges
| CIDR | IPs | ASN |
|---|---|---|
| 77.78.136.0/21 | 2.0K | AS39246 |
| 109.121.148.0/22 | 1.0K | AS39246 |
| 77.78.132.0/22 | 1.0K | AS39246 |
| 109.121.168.0/22 | 1.0K | AS39246 |
| 109.121.176.0/22 | 1.0K | AS39246 |
| 109.121.184.0/22 | 1.0K | AS39246 |
| 109.121.164.0/23 | 512 | AS39246 |
| 109.121.156.0/23 | 512 | AS39246 |
| 109.121.154.0/23 | 512 | AS39246 |
| 109.121.188.0/23 | 512 | AS39246 |
| 109.121.130.0/23 | 512 | AS39246 |
| 62.192.132.0/23 | 512 | AS39246 |
| 77.78.128.0/23 | 512 | AS39246 |
| 85.187.204.0/23 | 512 | AS39246 |
| 109.121.132.0/24 | 256 | AS39246 |
| 77.78.131.0/24 | 256 | AS39246 |
| 109.121.167.0/24 | 256 | AS39246 |
| 109.121.158.0/24 | 256 | AS39246 |
| 109.121.129.0/24 | 256 | AS39246 |
| 31.193.189.0/24 | 256 | AS39246 |