asn.dev

Address space

AS3371 MCI-ASN

IPv4 prefixes 133 1.15M addresses
IPv6 prefixes 3
Most common size /20 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/16
/16: 3
3
/17
/17: 10
10
/18
/18: 14
14
/19
/19: 25
25
/20
/20: 37
37
/21
/21: 11
11
/22
/22: 14
14
/23
/23: 10
10
/24
/24: 9
9

How this network carves its IPv4 space. 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

Prefix sizes

IPv6
/32
/32: 2
2
/48
/48: 1
1

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America136

Inventory

All prefixes

136 total
PrefixFamilyAddressesCountryFlags
63.39.0.0/17IPv432,768US
63.39.128.0/19IPv48,192US
63.39.208.0/20IPv44,096US
63.39.224.0/20IPv44,096US
63.91.192.0/18IPv416,384US
69.96.0.0/20IPv44,096US
69.103.0.0/16IPv465,536US
100.5.64.0/18IPv416,384US
108.37.128.0/17IPv432,768US
142.77.8.0/22IPv41,024US
142.77.72.0/21IPv42,048US
142.77.80.0/20IPv44,096US
153.39.96.0/19IPv48,192US
153.39.128.0/17IPv432,768US
159.98.0.0/18IPv416,384US
159.98.64.0/21IPv42,048US
159.98.80.0/20IPv44,096US
159.98.96.0/21IPv42,048US
159.98.116.0/22IPv41,024US
159.98.120.0/21IPv42,048US
159.98.128.0/17IPv432,768US
162.47.152.0/22IPv41,024US
165.122.48.0/20IPv44,096US
166.32.32.0/20IPv44,096US
166.32.64.0/18IPv416,384US
166.32.176.0/20IPv44,096US
166.32.192.0/20IPv44,096US
166.32.208.0/20IPv44,096US
166.32.224.0/20IPv44,096US
166.33.128.0/19IPv48,192US
166.33.208.0/20IPv44,096US
166.33.224.0/19IPv48,192US
166.34.0.0/18IPv416,384US
166.35.0.0/17IPv432,768US
166.36.32.0/19IPv48,192US
166.36.64.0/20IPv44,096US
166.36.96.0/19IPv48,192US
166.36.128.0/17IPv432,768US
166.37.64.0/19IPv48,192US
166.37.128.0/18IPv416,384US
166.37.192.0/23IPv4512US
166.37.196.0/22IPv41,024US
166.37.224.0/21IPv42,048US
166.38.0.0/19IPv48,192US
166.38.32.0/23IPv4512US
166.38.35.0/24IPv4256US
166.38.36.0/23IPv4512US
166.38.39.0/24IPv4256US
166.38.40.0/21IPv42,048US
166.38.48.0/22IPv41,024US
166.38.54.0/23IPv4512US
166.38.56.0/21IPv42,048US
166.38.64.0/21IPv42,048US
166.38.72.0/22IPv41,024US
166.38.80.0/20IPv44,096US
166.38.128.0/22IPv41,024US
166.38.134.0/23IPv4512US
166.38.138.0/23IPv4512US
166.38.140.0/22IPv41,024US
166.38.144.0/20IPv44,096US
166.38.177.0/24IPv4256US
166.38.184.0/22IPv41,024US
166.38.240.0/20IPv44,096US
166.39.16.0/20IPv44,096US
166.39.32.0/19IPv48,192US
166.39.96.0/20IPv44,096US
166.39.112.0/22IPv41,024US
166.39.160.0/19IPv48,192US
166.39.192.0/20IPv44,096US
166.39.224.0/19IPv48,192US
166.40.0.0/18IPv416,384US
166.40.64.0/19IPv48,192US
166.40.96.0/20IPv44,096US
166.40.128.0/19IPv48,192US
166.40.160.0/24IPv4256US
166.40.168.0/24IPv4256US
166.40.170.0/23IPv4512US
166.40.174.0/23IPv4512US
166.40.176.0/20IPv44,096US
166.40.192.0/20IPv44,096US
166.40.208.0/21IPv42,048US
166.40.224.0/19IPv48,192US
166.41.0.0/20IPv44,096US
166.41.64.0/18IPv416,384US
166.41.128.0/20IPv44,096US
166.41.208.0/20IPv44,096US
166.41.224.0/19IPv48,192US
166.42.0.0/16IPv465,536US
166.43.0.0/17IPv432,768US
166.43.128.0/20IPv44,096US
166.43.192.0/18IPv416,384US
166.44.0.0/17IPv432,768US
166.44.128.0/18IPv416,384US
166.44.192.0/19IPv48,192US
166.44.224.0/20IPv44,096US
166.44.242.0/23IPv4512US
166.44.244.0/22IPv41,024US
166.44.248.0/22IPv41,024US
166.44.252.0/22IPv41,024US
166.45.0.0/16IPv465,536US
166.46.0.0/18IPv416,384US
166.46.64.0/19IPv48,192US
166.46.96.0/20IPv44,096US
166.46.128.0/19IPv48,192US
166.46.208.0/20IPv44,096US
166.46.240.0/20IPv44,096US
166.47.0.0/17IPv432,768US
166.47.128.0/20IPv44,096US
166.47.176.0/20IPv44,096US
166.47.192.0/19IPv48,192US
166.47.224.0/20IPv44,096US
166.50.0.0/18IPv416,384US
166.50.64.0/20IPv44,096US
166.50.96.0/19IPv48,192US
166.50.128.0/17IPv432,768US
166.56.0.0/19IPv48,192US
166.56.128.0/18IPv416,384US
166.56.192.0/19IPv48,192US
166.56.224.0/20IPv44,096US
166.56.240.0/21IPv42,048US
166.56.250.0/23IPv4512US
166.56.252.0/22IPv41,024US
166.58.48.0/20IPv44,096US
166.58.64.0/18IPv416,384US
166.58.144.0/20IPv44,096US
166.58.160.0/19IPv48,192US
166.58.192.0/19IPv48,192US
166.58.240.0/21IPv42,048US
199.170.112.0/24IPv4256US
199.202.116.0/24IPv4256US
205.150.160.0/24IPv4256US
205.150.162.0/24IPv4256US
209.154.224.0/19IPv48,192US
2600:80e::/32IPv6—US
2600:40f2::/32IPv6—US
2600:40ff:fff1::/48IPv6—US