asn.dev

Address space

AS3561 CENTURYLINK-LEGACY-SAVVIS

IPv4 prefixes 1,403 6.37M addresses
IPv6 prefixes 2
Most common size /24 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/15
/15: 4
4
/16
/16: 15
15
/17
/17: 35
35
/18
/18: 62
62
/19
/19: 131
131
/20
/20: 201
201
/21
/21: 182
182
/22
/22: 228
228
/23
/23: 228
228
/24
/24: 317
317

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
/46
/46: 2
2

Geography

Where the space lands

CountryNamePrefixes
USUnited States of America1,405

Inventory

All prefixes

showing 400 of 1,405
PrefixFamilyAddressesCountryFlags
5.157.164.0/22IPv41,024US
23.26.66.0/24IPv4256US
23.26.136.0/24IPv4256US
23.26.202.0/24IPv4256US
23.27.130.0/24IPv4256US
23.230.194.0/24IPv4256US
23.230.243.0/24IPv4256US
45.38.5.0/24IPv4256US
45.38.28.0/24IPv4256US
45.38.49.0/24IPv4256US
45.38.61.0/24IPv4256US
45.38.66.0/24IPv4256US
45.38.71.0/24IPv4256US
45.38.108.0/24IPv4256US
45.38.144.0/24IPv4256US
45.38.147.0/24IPv4256US
45.38.172.0/24IPv4256US
45.38.247.0/24IPv4256US
45.38.250.0/24IPv4256US
45.39.54.0/24IPv4256US
45.39.61.0/24IPv4256US
45.39.68.0/24IPv4256US
45.39.88.0/23IPv4512US
45.39.97.0/24IPv4256US
45.39.133.0/24IPv4256US
45.39.160.0/24IPv4256US
45.39.177.0/24IPv4256US
45.39.193.0/24IPv4256US
50.114.32.0/24IPv4256US
50.114.165.0/24IPv4256US
50.114.173.0/24IPv4256US
50.114.210.0/24IPv4256US
50.117.28.0/24IPv4256US
50.117.44.0/24IPv4256US
50.117.64.0/24IPv4256US
50.117.73.0/24IPv4256US
50.117.97.0/24IPv4256US
50.117.100.0/24IPv4256US
50.117.105.0/24IPv4256US
50.118.215.0/24IPv4256US
62.216.64.0/21IPv42,048US
63.128.4.0/23IPv4512US
63.128.6.0/24IPv4256US
63.128.13.0/24IPv4256US
63.128.15.0/24IPv4256US
63.128.16.0/22IPv41,024US
63.128.22.0/23IPv4512US
63.128.25.0/24IPv4256US
63.128.26.0/23IPv4512US
63.128.28.0/22IPv41,024US
63.128.32.0/23IPv4512US
63.128.36.0/22IPv41,024US
63.128.40.0/21IPv42,048US
63.128.48.0/20IPv44,096US
63.128.64.0/20IPv44,096US
63.128.80.0/22IPv41,024US
63.128.84.0/23IPv4512US
63.128.86.0/23IPv4512US
63.128.88.0/24IPv4256US
63.128.89.0/24IPv4256US
63.128.90.0/23IPv4512US
63.128.92.0/22IPv41,024US
63.128.96.0/22IPv41,024US
63.128.100.0/23IPv4512US
63.128.104.0/21IPv42,048US
63.128.112.0/20IPv44,096US
63.128.128.0/23IPv4512US
63.128.131.0/24IPv4256US
63.128.132.0/22IPv41,024US
63.128.136.0/21IPv42,048US
63.128.144.0/20IPv44,096US
63.128.160.0/21IPv42,048US
63.128.168.0/23IPv4512US
63.128.171.0/24IPv4256US
63.128.172.0/22IPv41,024US
63.128.176.0/20IPv44,096US
63.128.192.0/18IPv416,384US
63.136.0.0/22IPv41,024US
63.136.4.0/24IPv4256US
63.136.5.0/24IPv4256US
63.136.6.0/23IPv4512US
63.136.8.0/21IPv42,048US
63.136.16.0/20IPv44,096US
63.136.32.0/19IPv48,192US
63.136.64.0/19IPv48,192US
63.136.96.0/20IPv44,096US
63.136.120.0/21IPv42,048US
63.136.128.0/17IPv432,768US
63.137.0.0/19IPv48,192US
63.137.32.0/20IPv44,096US
63.137.48.0/20IPv44,096US
63.137.64.0/21IPv42,048US
63.137.72.0/22IPv41,024US
63.137.76.0/24IPv4256US
63.137.78.0/23IPv4512US
63.137.80.0/20IPv44,096US
63.137.96.0/20IPv44,096US
63.137.112.0/22IPv41,024US
63.137.116.0/23IPv4512US
63.137.119.0/24IPv4256US
63.137.120.0/22IPv41,024US
63.137.124.0/23IPv4512US
63.137.126.0/24IPv4256US
63.137.127.0/24IPv4256US
63.137.128.0/19IPv48,192US
63.137.160.0/20IPv44,096US
63.137.176.0/21IPv42,048US
63.137.184.0/21IPv42,048US
63.137.192.0/19IPv48,192US
63.137.224.0/22IPv41,024US
63.137.228.0/24IPv4256US
63.137.230.0/23IPv4512US
63.137.232.0/21IPv42,048US
63.137.240.0/20IPv44,096US
63.146.199.0/24IPv4256US
63.235.144.0/24IPv4256US
64.14.0.0/20IPv44,096US
64.14.16.0/23IPv4512US
64.14.18.0/24IPv4256US
64.14.20.0/22IPv41,024US
64.14.24.0/22IPv41,024US
64.14.29.0/24IPv4256US
64.14.30.0/23IPv4512US
64.14.32.0/19IPv48,192US
64.14.64.0/22IPv41,024US
64.14.69.0/24IPv4256US
64.14.70.0/23IPv4512US
64.14.75.0/24IPv4256US
64.14.76.0/23IPv4512US
64.14.80.0/20IPv44,096US
64.14.96.0/19IPv48,192US
64.14.128.0/20IPv44,096US
64.14.145.0/24IPv4256US
64.14.146.0/23IPv4512US
64.14.148.0/22IPv41,024US
64.14.152.0/21IPv42,048US
64.14.160.0/23IPv4512US
64.14.165.0/24IPv4256US
64.14.166.0/23IPv4512US
64.14.168.0/21IPv42,048US
64.14.176.0/20IPv44,096US
64.14.192.0/21IPv42,048US
64.14.200.0/23IPv4512US
64.14.202.0/23IPv4512US
64.14.204.0/22IPv41,024US
64.14.208.0/20IPv44,096US
64.14.224.0/22IPv41,024US
64.14.229.0/24IPv4256US
64.14.230.0/23IPv4512US
64.14.232.0/22IPv41,024US
64.14.236.0/24IPv4256US
64.14.238.0/23IPv4512US
64.14.240.0/20IPv44,096US
64.15.160.0/19IPv48,192US
64.15.192.0/20IPv44,096US
64.15.224.0/23IPv4512US
64.15.226.0/23IPv4512US
64.15.228.0/22IPv41,024US
64.15.232.0/21IPv42,048US
64.15.240.0/20IPv44,096US
64.22.128.0/21IPv42,048US
64.22.136.0/23IPv4512US
64.22.139.0/24IPv4256US
64.22.140.0/22IPv41,024US
64.22.144.0/22IPv41,024US
64.22.149.0/24IPv4256US
64.22.150.0/23IPv4512US
64.22.152.0/23IPv4512US
64.22.156.0/22IPv41,024US
64.27.160.0/20IPv44,096US
64.28.64.0/20IPv44,096US
64.28.80.0/22IPv41,024US
64.28.84.0/23IPv4512US
64.28.86.0/24IPv4256US
64.28.88.0/21IPv42,048US
64.29.68.0/23IPv4512US
64.29.71.0/24IPv4256US
64.29.72.0/22IPv41,024US
64.29.76.0/24IPv4256US
64.29.84.0/22IPv41,024US
64.29.89.0/24IPv4256US
64.29.94.0/24IPv4256US
64.37.192.0/22IPv41,024US
64.37.197.0/24IPv4256US
64.37.198.0/23IPv4512US
64.37.200.0/22IPv41,024US
64.37.205.0/24IPv4256US
64.37.206.0/23IPv4512US
64.37.208.0/23IPv4512US
64.37.211.0/24IPv4256US
64.37.212.0/22IPv41,024US
64.37.216.0/21IPv42,048US
64.37.224.0/22IPv41,024US
64.37.228.0/23IPv4512US
64.37.230.0/24IPv4256US
64.37.232.0/21IPv42,048US
64.37.240.0/20IPv44,096US
64.39.32.0/20IPv44,096US
64.39.48.0/23IPv4512US
64.39.50.0/24IPv4256US
64.39.52.0/22IPv41,024US
64.39.56.0/21IPv42,048US
64.41.128.0/19IPv48,192US
64.41.160.0/20IPv44,096US
64.41.176.0/22IPv41,024US
64.41.180.0/24IPv4256US
64.41.183.0/24IPv4256US
64.41.184.0/21IPv42,048US
64.41.192.0/20IPv44,096US
64.41.208.0/21IPv42,048US
64.41.216.0/23IPv4512US
64.41.219.0/24IPv4256US
64.41.220.0/22IPv41,024US
64.41.224.0/19IPv48,192US
64.56.192.0/20IPv44,096US
64.58.64.0/19IPv48,192US
64.68.64.0/19IPv48,192US
64.70.0.0/21IPv42,048US
64.70.8.0/22IPv41,024US
64.70.12.0/24IPv4256US
64.70.14.0/23IPv4512US
64.70.16.0/20IPv44,096US
64.70.32.0/20IPv44,096US
64.70.48.0/22IPv41,024US
64.70.52.0/23IPv4512US
64.70.55.0/24IPv4256US
64.70.57.0/24IPv4256US
64.70.58.0/23IPv4512US
64.70.60.0/22IPv41,024US
64.70.64.0/19IPv48,192US
64.70.96.0/22IPv41,024US
64.70.100.0/23IPv4512US
64.70.102.0/24IPv4256US
64.70.103.0/24IPv4256US
64.70.104.0/21IPv42,048US
64.75.0.0/21IPv42,048US
64.75.8.0/22IPv41,024US
64.75.12.0/23IPv4512US
64.75.14.0/24IPv4256US
64.75.16.0/22IPv41,024US
64.75.20.0/23IPv4512US
64.75.22.0/24IPv4256US
64.75.24.0/23IPv4512US
64.75.27.0/24IPv4256US
64.75.28.0/22IPv41,024US
64.75.32.0/21IPv42,048US
64.75.40.0/22IPv41,024US
64.75.44.0/23IPv4512US
64.75.46.0/24IPv4256US
64.75.48.0/20IPv44,096US
64.79.161.0/24IPv4256US
64.79.162.0/23IPv4512US
64.79.164.0/23IPv4512US
64.79.166.0/24IPv4256US
64.79.169.0/24IPv4256US
64.79.171.0/24IPv4256US
64.79.172.0/22IPv41,024US
64.85.64.0/18IPv416,384US
64.89.32.0/20IPv44,096US
64.202.245.0/24IPv4256US
64.209.128.0/22IPv41,024US
64.209.132.0/23IPv4512US
64.209.136.0/24IPv4256US
64.209.139.0/24IPv4256US
64.209.140.0/24IPv4256US
64.209.143.0/24IPv4256US
64.209.160.0/19IPv48,192US
64.209.192.0/20IPv44,096US
64.209.224.0/20IPv44,096US
64.210.160.0/21IPv42,048US
64.210.168.0/23IPv4512US
64.210.170.0/24IPv4256US
64.210.172.0/22IPv41,024US
64.210.176.0/20IPv44,096US
64.210.192.0/19IPv48,192US
64.210.224.0/20IPv44,096US
64.210.240.0/22IPv41,024US
64.210.244.0/23IPv4512US
64.210.247.0/24IPv4256US
64.210.248.0/21IPv42,048US
64.211.224.0/19IPv48,192US
64.240.0.0/18IPv416,384US
64.240.64.0/21IPv42,048US
64.240.72.0/22IPv41,024US
64.240.76.0/24IPv4256US
64.240.78.0/23IPv4512US
64.240.80.0/20IPv44,096US
64.240.96.0/19IPv48,192US
64.240.128.0/19IPv48,192US
64.240.160.0/20IPv44,096US
64.240.176.0/21IPv42,048US
64.240.184.0/22IPv41,024US
64.240.189.0/24IPv4256US
64.240.190.0/23IPv4512US
64.240.192.0/19IPv48,192US
64.240.224.0/22IPv41,024US
64.240.228.0/23IPv4512US
64.240.232.0/21IPv42,048US
64.240.240.0/20IPv44,096US
64.241.0.0/18IPv416,384US
64.241.64.0/19IPv48,192US
64.241.96.0/20IPv44,096US
64.241.112.0/21IPv42,048US
64.241.122.0/23IPv4512US
64.241.124.0/22IPv41,024US
64.241.128.0/17IPv432,768US
64.242.0.0/19IPv48,192US
64.242.32.0/21IPv42,048US
64.242.40.0/24IPv4256US
64.242.44.0/22IPv41,024US
64.242.48.0/20IPv44,096US
64.242.64.0/18IPv416,384US
64.242.128.0/17IPv432,768US
64.243.0.0/16IPv465,536US
66.35.192.0/19IPv48,192US
66.35.224.0/20IPv44,096US
66.35.240.0/21IPv42,048US
66.35.248.0/22IPv41,024US
66.35.252.0/23IPv4512US
66.35.254.0/24IPv4256US
66.37.192.0/19IPv48,192US
66.100.0.0/18IPv416,384US
66.100.64.0/19IPv48,192US
66.100.96.0/21IPv42,048US
66.100.104.0/22IPv41,024US
66.100.109.0/24IPv4256US
66.100.110.0/23IPv4512US
66.100.112.0/20IPv44,096US
66.100.128.0/18IPv416,384US
66.100.192.0/20IPv44,096US
66.100.208.0/22IPv41,024US
66.100.212.0/23IPv4512US
66.100.214.0/24IPv4256US
66.100.216.0/21IPv42,048US
66.100.224.0/19IPv48,192US
66.101.0.0/16IPv465,536US
66.119.32.0/20IPv44,096US
66.128.64.0/20IPv44,096US
66.128.224.0/20IPv44,096US
66.150.105.0/24IPv4256US
66.180.130.0/23IPv4512US
66.207.180.0/22IPv41,024US
67.54.0.0/17IPv432,768US
67.130.0.0/24IPv4256US
68.68.99.0/24IPv4256US
68.71.192.0/21IPv42,048US
69.32.180.0/23IPv4512US
69.46.65.0/24IPv4256US
69.46.76.0/24IPv4256US
72.5.203.0/24IPv4256US
72.35.0.0/21IPv42,048US
72.35.16.0/20IPv44,096US
77.36.124.0/22IPv41,024US
81.161.4.0/22IPv41,024US
82.112.169.0/24IPv4256US
82.118.64.0/21IPv42,048US
82.118.72.0/21IPv42,048US
82.118.80.0/23IPv4512US
82.118.82.0/23IPv4512US
82.118.84.0/22IPv41,024US
82.118.88.0/21IPv42,048US
89.40.208.0/24IPv4256US
91.237.44.0/22IPv41,024US
93.120.96.0/22IPv41,024US
96.126.134.0/24IPv4256US
100.42.20.0/23IPv4512US
100.42.23.0/24IPv4256US
103.11.68.0/22IPv41,024US
104.164.158.0/24IPv4256US
104.252.0.0/24IPv4256US
104.252.55.0/24IPv4256US
104.252.60.0/24IPv4256US
104.252.66.0/24IPv4256US
104.252.96.0/24IPv4256US
104.252.124.0/24IPv4256US
104.252.143.0/24IPv4256US
104.252.147.0/24IPv4256US
104.252.158.0/24IPv4256US
104.252.203.0/24IPv4256US
104.252.235.0/24IPv4256US
104.252.244.0/24IPv4256US
104.253.2.0/24IPv4256US
104.253.8.0/23IPv4512US
104.253.49.0/24IPv4256US
104.253.53.0/24IPv4256US
104.253.61.0/24IPv4256US
104.253.99.0/24IPv4256US
104.253.122.0/24IPv4256US
104.253.173.0/24IPv4256US
109.166.40.0/21IPv42,048US
109.166.48.0/21IPv42,048US
130.193.3.0/24IPv4256US
136.0.239.0/24IPv4256US
140.228.18.0/23IPv4512US
141.140.8.0/22IPv41,024US
142.111.4.0/24IPv4256US
142.252.22.0/24IPv4256US
142.252.31.0/24IPv4256US
142.252.65.0/24IPv4256US
142.252.80.0/24IPv4256US

Capped at 400 rows to keep the page a sane size. The filter searches only what is rendered.