asn.dev

Address space

AS19901 BRSPD-PUBLIC

Residential APNIC

IPv4 prefixes 516 3.04M addresses
IPv6 prefixes 44
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/15
/15: 2
2
/16
/16: 16
16
/17
/17: 12
12
/18
/18: 27
27
/19
/19: 51
51
/20
/20: 40
40
/21
/21: 64
64
/22
/22: 99
99
/23
/23: 101
101
/24
/24: 104
104

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
/38
/38: 3
3
/39
/39: 8
8
/44
/44: 31
31
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America560