Address space
AS8437 UTA-AS
IPv4 prefixes
87
550K addresses
IPv6 prefixes
66
Most common size
/21
IPv4
Flagged
8
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 |
|---|---|---|
| AT | Austria | 153 |
Review
Flagged prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 86.59.21.0/27 | IPv4 | 32 | AT | Too specific |
| 86.59.21.32/30 | IPv4 | 4 | AT | Too specific |
| 86.59.21.36/31 | IPv4 | 2 | AT | Too specific |
| 86.59.21.39/32 | IPv4 | 1 | AT | Too specific |
| 86.59.21.40/29 | IPv4 | 8 | AT | Too specific |
| 86.59.21.48/28 | IPv4 | 16 | AT | Too specific |
| 86.59.21.64/26 | IPv4 | 64 | AT | Too specific |
| 86.59.21.128/25 | IPv4 | 128 | AT | Too specific |
A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.
Inventory