asn.dev

Address space

AS3371 MCI-ASN

Unclassified ARIN

IPv4 prefixes 131 1.15M addresses
IPv6 prefixes 3
Most common size /20 IPv4
Flagged 0

Shape

IPv4 prefix sizes

All IPv4
/16
/16: 3
3
/17
/17: 10
10
/18
/18: 14
14
/19
/19: 26
26
/20
/20: 35
35
/21
/21: 11
11
/22
/22: 13
13
/23
/23: 10
10
/24
/24: 9
9

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: 2
2
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America134