asn.dev

Address space

AS29457 OPTIONS-AS

IPv4 prefixes 20 12.54K addresses
IPv6 prefixes 15
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/21
/21: 2
2
/22
/22: 3
3
/23
/23: 6
6
/24
/24: 9
9

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

IPv6
/33
/33: 1
1
/34
/34: 1
1
/35
/35: 1
1
/36
/36: 1
1
/37
/37: 1
1
/38
/38: 1
1
/39
/39: 1
1
/40
/40: 1
1
/41
/41: 1
1
/42
/42: 1
1
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 2
2

Geography

Where the space lands

CountryNamePrefixes
GBUnited Kingdom35

Inventory

All prefixes

35 total