asn.dev

Address space

AS3737 AS-PTD

Residential ARIN

IPv4 prefixes 77 687K addresses
IPv6 prefixes 1
Most common size /19 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/16
/16: 6
6
/17
/17: 2
2
/18
/18: 3
3
/19
/19: 13
13
/20
/20: 7
7
/21
/21: 11
11
/22
/22: 12
12
/23
/23: 11
11
/24
/24: 12
12

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
/32
/32: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America78