asn.dev

Address space

AS33668 CMCS

Residential ARIN Cable/DSL/ISP

IPv4 prefixes 191 1.86M addresses
IPv6 prefixes 75
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/15
/15: 3
3
/16
/16: 7
7
/17
/17: 9
9
/18
/18: 16
16
/19
/19: 36
36
/20
/20: 25
25
/21
/21: 7
7
/22
/22: 8
8
/23
/23: 32
32
/24
/24: 48
48

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: 2
2
/32
/32: 2
2
/44
/44: 1
1
/47
/47: 4
4
/48
/48: 66
66

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America266