Address space
AS45903 CMCTELECOM-VN CMC Telecom Infrastructure Company
IPv4 prefixes
69
80.89K addresses
IPv6 prefixes
138
Most common size
/22
IPv4
Flagged
6
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 |
|---|---|---|
| VN | Viet Nam | 207 |
Review
Flagged prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 119.82.139.0/25 | IPv4 | 128 | VN | Too specific |
| 119.82.139.128/26 | IPv4 | 64 | VN | Too specific |
| 119.82.139.192/29 | IPv4 | 8 | VN | Too specific |
| 119.82.139.204/30 | IPv4 | 4 | VN | Too specific |
| 119.82.139.208/28 | IPv4 | 16 | VN | Too specific |
| 119.82.139.224/27 | IPv4 | 32 | 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