asn.dev

Address space

AS7287 PBI-NET-BLK2

Unclassified ARIN

IPv4 prefixes 292 425K addresses
IPv6 prefixes 133
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/17
/17: 3
3
/18
/18: 5
5
/19
/19: 5
5
/20
/20: 8
8
/21
/21: 19
19
/22
/22: 57
57
/23
/23: 92
92
/24
/24: 103
103

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
/37
/37: 1
1
/39
/39: 5
5
/40
/40: 18
18
/41
/41: 11
11
/42
/42: 21
21
/43
/43: 12
12
/44
/44: 23
23
/45
/45: 9
9
/46
/46: 7
7
/47
/47: 9
9
/48
/48: 17
17

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America425