asn.dev

Address space

AS58273 B4RN-AS

Unclassified RIPE

IPv4 prefixes 15 23.30K addresses
IPv6 prefixes 22
Most common size /22 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/20
/20: 3
3
/21
/21: 2
2
/22
/22: 5
5
/23
/23: 2
2
/24
/24: 3
3

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
/30
/30: 1
1
/31
/31: 1
1
/32
/32: 1
1
/33
/33: 1
1
/34
/34: 11
11
/47
/47: 1
1
/48
/48: 6
6

Geography

Where the space lands

CountryNamePrefixes
GBUnited Kingdom37