Address space
AS2648 NOAA-BOULDER
IPv4 prefixes
16
112K addresses
IPv6 prefixes
2
Most common size
/18
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 |
|---|---|---|
| US | United States of America | 18 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 132.163.0.0/18 | IPv4 | 16,384 | US | |
| 132.163.67.0/24 | IPv4 | 256 | US | |
| 132.163.68.0/22 | IPv4 | 1,024 | US | |
| 132.163.72.0/21 | IPv4 | 2,048 | US | |
| 132.163.80.0/20 | IPv4 | 4,096 | US | |
| 132.163.98.0/23 | IPv4 | 512 | US | |
| 132.163.100.0/22 | IPv4 | 1,024 | US | |
| 132.163.104.0/21 | IPv4 | 2,048 | US | |
| 132.163.112.0/20 | IPv4 | 4,096 | US | |
| 132.163.128.0/17 | IPv4 | 32,768 | US | |
| 137.75.0.0/18 | IPv4 | 16,384 | US | |
| 137.75.128.0/18 | IPv4 | 16,384 | US | |
| 137.75.192.0/19 | IPv4 | 8,192 | US | |
| 137.75.228.0/22 | IPv4 | 1,024 | US | |
| 137.75.232.0/21 | IPv4 | 2,048 | US | |
| 137.75.240.0/20 | IPv4 | 4,096 | US | |
| 2610:20:6b00::/40 | IPv6 | — | US | |
| 2610:20:8804::/46 | IPv6 | — | US |