Address space
AS21828 TCOE
IPv4 prefixes
4
20.49K addresses
IPv6 prefixes
0
Most common size
/19
IPv4
Flagged
1
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 |
|---|---|---|
| US | United States of America | 4 |
Review
Flagged prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 137.164.12.88/29 | IPv4 | 8 | US | Too specific |
A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 137.164.12.88/29 | IPv4 | 8 | US | Too specific |
| 204.155.0.0/20 | IPv4 | 4,096 | US | |
| 206.78.0.0/19 | IPv4 | 8,192 | US | |
| 206.78.160.0/19 | IPv4 | 8,192 | US |