asn.dev

Address space

AS33489 COMCAST-33489

Unclassified ARIN Cable/DSL/ISP

IPv4 prefixes 186 648K addresses
IPv6 prefixes 62
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/17
/17: 3
3
/18
/18: 9
9
/19
/19: 18
18
/20
/20: 40
40
/21
/21: 19
19
/22
/22: 27
27
/23
/23: 26
26
/24
/24: 44
44

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
/48
/48: 47
47

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America248