Address space
AS9916 NCTU-TW National Chiao Tung University
IPv4 prefixes
9
93.70K addresses
IPv6 prefixes
1
Most common size
/19
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 |
|---|---|---|
| TW | Taiwan, Province of China | 10 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 120.126.32.0/19 | IPv4 | 8,192 | TW | |
| 120.126.64.0/19 | IPv4 | 8,192 | TW | |
| 120.126.96.0/20 | IPv4 | 4,096 | TW | |
| 140.113.0.0/16 | IPv4 | 65,536 | TW | |
| 140.129.51.0/24 | IPv4 | 256 | TW | |
| 140.129.52.0/22 | IPv4 | 1,024 | TW | |
| 140.129.56.0/21 | IPv4 | 2,048 | TW | |
| 140.129.64.0/20 | IPv4 | 4,096 | TW | |
| 140.129.80.0/24 | IPv4 | 256 | TW | |
| 2001:f18::/32 | IPv6 | — | TW |