Address space
AS7602 SPT-AS-VN Sai gon Postel Corporation
IPv4 prefixes
48
109K addresses
IPv6 prefixes
0
Most common size
/22
IPv4
Flagged
17
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 |
|---|---|---|
| VN | Viet Nam | 48 |
Review
Flagged prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 221.133.12.0/25 | IPv4 | 128 | VN | Too specific |
| 221.133.12.128/30 | IPv4 | 4 | VN | Too specific |
| 221.133.12.136/29 | IPv4 | 8 | VN | Too specific |
| 221.133.12.144/28 | IPv4 | 16 | VN | Too specific |
| 221.133.12.160/27 | IPv4 | 32 | VN | Too specific |
| 221.133.12.192/26 | IPv4 | 64 | VN | Too specific |
| 221.133.14.0/28 | IPv4 | 16 | VN | Too specific |
| 221.133.14.32/27 | IPv4 | 32 | VN | Too specific |
| 221.133.14.64/26 | IPv4 | 64 | VN | Too specific |
| 221.133.14.128/25 | IPv4 | 128 | VN | Too specific |
| 221.133.29.0/29 | IPv4 | 8 | VN | Too specific |
| 221.133.29.10/31 | IPv4 | 2 | VN | Too specific |
| 221.133.29.12/30 | IPv4 | 4 | VN | Too specific |
| 221.133.29.16/28 | IPv4 | 16 | VN | Too specific |
| 221.133.29.32/27 | IPv4 | 32 | VN | Too specific |
| 221.133.29.64/26 | IPv4 | 64 | VN | Too specific |
| 221.133.29.128/25 | IPv4 | 128 | VN | Too specific |
A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.
Inventory