asn.dev

Address space

AS33661 CMCS

Unclassified ARIN

IPv4 prefixes 164 630K addresses
IPv6 prefixes 43
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/16
/16: 2
2
/17
/17: 3
3
/18
/18: 4
4
/19
/19: 12
12
/20
/20: 36
36
/21
/21: 21
21
/22
/22: 24
24
/23
/23: 24
24
/24
/24: 38
38

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
/26
/26: 6
6
/32
/32: 6
6
/44
/44: 3
3
/47
/47: 1
1
/48
/48: 27
27

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America207