asn.dev

Address space

AS20214 COMCAST-20214

Unclassified ARIN

IPv4 prefixes 191 1.72M addresses
IPv6 prefixes 99
Most common size /24 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/15
/15: 1
1
/16
/16: 9
9
/17
/17: 9
9
/18
/18: 21
21
/19
/19: 24
24
/20
/20: 24
24
/21
/21: 9
9
/22
/22: 21
21
/23
/23: 29
29
/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: 2
2
/32
/32: 2
2
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 7
7
/48
/48: 86
86

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America290