AS203 Level 3 Parent LLC

General Info - AS203

Level 3 Parent LLC

United States of America

level3.com

123,968

9,223,372,036,854,775,808

IP Address Ranges

Netblock Number of IPs   
4.4.27.128/27 32
4.4.61.192/26 64
4.14.40.160/27 32
4.14.216.128/26 64
4.59.53.128/26 64
4.78.27.224/27 32
4.79.140.128/26 64
8.7.155.0/24 256
8.12.241.0/25 128
8.14.116.64/27 32
8.15.229.0/24 256
8.18.63.0/24 256
8.25.26.0/24 256
8.36.85.0/26 64
8.36.90.0/24 256
8.44.205.0/24 256
38.107.240.0/24 256
50.230.69.0/24 256
62.67.221.0/26 64
63.128.0.0/22 1,024
63.128.7.0/24 256
63.128.8.0/22 1,024
63.128.12.0/24 256
63.128.14.0/24 256
63.128.19.0/27 32
63.128.20.0/24 256
63.128.24.0/24 256
64.14.182.128/25 128
64.22.148.0/24 256
64.208.127.0/24 256
64.209.141.0/24 256
64.241.120.0/24 256
65.100.156.0/24 256
65.222.131.0/24 256
66.162.113.64/26 64
66.193.107.0/24 256
66.194.187.0/24 256
67.96.131.0/24 256
69.67.153.0/24 256
74.116.55.0/24 256
128.177.179.0/24 256
129.220.48.0/20 4,096
129.220.64.0/19 8,192
130.250.96.0/24 256
130.250.98.0/23 512
130.250.105.0/24 256
130.250.106.0/24 256
130.250.108.0/24 256
130.250.128.0/24 256
130.250.131.0/24 256
130.250.135.0/24 256
130.250.136.0/24 256
130.250.164.0/24 256
130.250.172.0/23 512
130.250.192.0/23 512
130.250.196.0/24 256
130.250.198.0/24 256
130.250.207.0/24 256
130.250.208.0/22 1,024
130.250.212.0/24 256
130.250.214.0/23 512
130.250.216.0/23 512
130.250.224.0/23 512
130.250.227.0/24 256
146.88.226.0/24 256
146.88.227.0/25 128
146.88.227.128/26 64
146.214.16.0/21 2,048
146.214.96.0/23 512
146.214.98.0/24 256
146.214.100.0/22 1,024
146.214.192.0/24 256
146.214.194.0/23 512
146.214.196.0/22 1,024
146.214.200.0/22 1,024
156.42.0.0/16 65,536
156.70.60.0/24 256
156.71.149.0/24 256
157.96.22.128/25 128
158.120.127.0/24 256
165.236.67.224/27 32
165.236.97.0/27 32
167.102.134.0/27 32
170.22.90.0/24 256
173.205.217.0/24 256
189.125.51.0/24 256
189.125.69.192/27 32
189.125.122.0/26 64
192.42.110.0/24 256
192.59.36.0/22 1,024
192.59.78.0/24 256
192.59.119.0/24 256
192.147.2.0/24 256
194.34.64.0/23 512
194.34.66.0/24 256
194.34.76.0/24 256
194.34.78.128/25 128
194.34.79.0/24 256
194.34.80.0/24 256
194.34.82.0/23 512
194.34.84.0/23 512
194.34.86.128/25 128
194.34.87.0/24 256
194.34.88.0/22 1,024
195.122.189.64/26 64
198.94.221.0/24 256
198.94.222.0/23 512
198.180.254.0/24 256
198.200.148.0/24 256
198.205.100.0/24 256
198.205.103.0/24 256
199.68.16.0/22 1,024
199.192.132.0/23 512
199.227.129.64/26 64
200.186.1.128/25 128
200.186.72.128/26 64
200.186.73.64/26 64
200.186.151.0/27 32
200.186.194.128/26 64
201.234.62.128/25 128
204.17.143.0/24 256
204.153.154.0/23 512
205.139.104.0/22 1,024
205.139.108.0/24 256
205.153.101.0/24 256
205.153.102.0/24 256
206.79.6.0/24 256
206.169.67.0/24 256
207.38.64.0/21 2,048
207.138.140.64/27 32
207.188.10.0/24 256
207.188.12.0/24 256
209.67.132.0/22 1,024
209.67.136.0/22 1,024
212.3.242.64/26 64
216.32.151.0/24 256
216.84.177.96/27 32
216.235.200.0/21 2,048

Show more IP address ranges »

Netblock Number of IPs   
2606:6800::/40 309,485,009,821,345,068,724,781,056
2606:6800:1c00::/40 309,485,009,821,345,068,724,781,056
2606:6800:2800::/40 309,485,009,821,345,068,724,781,056
2606:6800:2c00::/40 309,485,009,821,345,068,724,781,056
2606:6800:3400::/40 309,485,009,821,345,068,724,781,056

Downstreams

There are no downstreams for this ASN.

What is an Autonomous System (AS)?

An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.

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