Address space
AS21557 CYB-BLK-1
IPv4 prefixes
15
12.80K addresses
IPv6 prefixes
9
Most common size
/23
IPv4
Flagged
0
Shape
Prefix sizes
How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.
Shape
Prefix sizes
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 24 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 23.128.104.0/23 | IPv4 | 512 | US | |
| 64.15.208.0/21 | IPv4 | 2,048 | US | |
| 64.15.216.0/23 | IPv4 | 512 | US | |
| 64.15.218.0/24 | IPv4 | 256 | US | |
| 64.15.219.0/24 | IPv4 | 256 | US | |
| 64.15.220.0/22 | IPv4 | 1,024 | US | |
| 75.127.48.0/23 | IPv4 | 512 | US | |
| 75.127.50.0/23 | IPv4 | 512 | US | |
| 75.127.52.0/22 | IPv4 | 1,024 | US | |
| 75.127.56.0/23 | IPv4 | 512 | US | |
| 75.127.58.0/23 | IPv4 | 512 | US | |
| 75.127.60.0/22 | IPv4 | 1,024 | US | |
| 104.218.188.0/22 | IPv4 | 1,024 | US | |
| 147.92.120.0/21 | IPv4 | 2,048 | US | |
| 162.219.200.0/22 | IPv4 | 1,024 | US | |
| 2605:5300::/39 | IPv6 | — | US | |
| 2605:5300:200::/39 | IPv6 | — | US | |
| 2605:5300:400::/39 | IPv6 | — | US | |
| 2605:5300:600::/39 | IPv6 | — | US | |
| 2605:5300:800::/37 | IPv6 | — | US | |
| 2605:5300:1000::/36 | IPv6 | — | US | |
| 2605:5300:2000::/35 | IPv6 | — | US | |
| 2605:5300:4000::/34 | IPv6 | — | US | |
| 2605:5300:8000::/33 | IPv6 | — | US |