asn.dev

Address space

AS13351 B-U-C

IPv4 prefixes 1 4.10K addresses
IPv6 prefixes 29
Most common size /20 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/20
/20: 1
1

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
/37
/37: 2
2
/38
/38: 2
2
/39
/39: 2
2
/40
/40: 2
2
/41
/41: 2
2
/42
/42: 2
2
/43
/43: 2
2
/44
/44: 2
2
/45
/45: 2
2
/46
/46: 2
2
/47
/47: 2
2
/48
/48: 4
4

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America30

Inventory

All prefixes

30 total