Address space
AS187 DNSCAST-AS
IPv4 prefixes
2
4.61K addresses
IPv6 prefixes
2
Most common size
/20
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 | 4 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 72.42.112.0/20 | IPv4 | 4,096 | US | |
| 203.119.88.0/23 | IPv4 | 512 | US | |
| 2001:dd8:7::/48 | IPv6 | — | US | |
| 2620:171:d00::/44 | IPv6 | — | US |