asn.dev

Address space

AS12129 123NET

Hosting ARIN

IPv4 prefixes 94 163K addresses
IPv6 prefixes 7
Most common size /22 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/18
/18: 1
1
/19
/19: 2
2
/20
/20: 16
16
/21
/21: 13
13
/22
/22: 23
23
/23
/23: 17
17
/24
/24: 22
22

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

All IPv6
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 2
2
/48
/48: 2
2

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America101