Address space
AS4538 ERX-CERNET-BKB China Education and Research Network Center
Education RIPE Educational/Research
IPv4 prefixes
3,283
16.45M addresses
IPv6 prefixes
6
Most common size
/24
IPv4
Flagged
0
Shape
IPv4 prefix sizes
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
IPv6 prefix sizes
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| CN | China | 3,289 |