Address space
AS23237 MCMASTER
IPv4 prefixes
10
66.05K addresses
IPv6 prefixes
1
Most common size
/23
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 |
|---|---|---|
| CA | Canada | 11 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 130.113.0.0/18 | IPv4 | 16,384 | CA | |
| 130.113.64.0/19 | IPv4 | 8,192 | CA | |
| 130.113.96.0/21 | IPv4 | 2,048 | CA | |
| 130.113.104.0/22 | IPv4 | 1,024 | CA | |
| 130.113.108.0/23 | IPv4 | 512 | CA | |
| 130.113.110.0/23 | IPv4 | 512 | CA | |
| 130.113.112.0/20 | IPv4 | 4,096 | CA | |
| 130.113.128.0/17 | IPv4 | 32,768 | CA | |
| 192.42.5.0/24 | IPv4 | 256 | CA | |
| 192.42.6.0/24 | IPv4 | 256 | CA | |
| 2604:1700::/48 | IPv6 | — | CA |