Address space
AS18180 TWNIC-AS Taiwan Network Information Center
IPv4 prefixes
7
4.86K addresses
IPv6 prefixes
0
Most common size
/22
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.
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| TW | Taiwan, Province of China | 7 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 221.128.128.0/22 | IPv4 | 1,024 | TW | |
| 221.128.195.0/24 | IPv4 | 256 | TW | |
| 221.128.236.0/23 | IPv4 | 512 | TW | |
| 221.128.240.0/22 | IPv4 | 1,024 | TW | |
| 221.128.248.0/23 | IPv4 | 512 | TW | |
| 221.128.250.0/23 | IPv4 | 512 | TW | |
| 221.128.252.0/22 | IPv4 | 1,024 | TW |