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AS203
AS203
· Level 3 Parent, LLC
178
IPv4 prefixes
271,552
IPv4 addresses
0
IPv6 prefixes
🇺🇸 US
Country
Summary
AS number
AS203
Name
Level 3 Parent, LLC
Country
🇺🇸 United States
Type
ARIN
Category
business
Announced
178 prefixes
Updated
2026-04-22
Announced IPv4 prefixes (178)
Prefix
4.4.61.192/26
4.14.40.160/27
4.31.172.128/25
4.34.203.128/25
4.43.86.0/25
4.43.87.0/25
4.43.138.192/26
4.43.139.0/26
8.7.155.0/24
8.15.229.0/24
8.18.63.0/24
8.20.69.0/24
8.25.26.0/24
8.44.205.0/24
38.107.240.0/24
62.67.221.0/26
62.67.222.0/24
63.106.6.0/24
63.128.0.0/22
63.128.1.0/24
63.128.7.0/24
63.128.8.0/22
63.128.12.0/24
63.128.14.0/24
63.128.19.0/27
63.128.20.0/24
63.128.24.0/24
63.144.218.0/24
63.146.183.128/26
63.150.74.0/23
63.175.205.0/24
64.14.182.128/25
64.22.148.0/24
64.208.127.0/24
64.209.141.0/24
64.210.246.0/24
64.241.120.0/24
64.241.121.0/24
65.141.182.128/27
65.222.131.0/24
65.240.184.0/23
66.7.8.0/26
66.162.113.64/26
66.162.113.128/27
66.193.107.0/24
66.194.187.0/24
67.96.131.0/24
67.135.189.192/27
128.177.179.0/24
143.112.0.0/17
143.112.68.0/22
143.112.128.0/18
143.112.128.0/22
143.112.144.0/22
143.112.192.0/19
143.112.224.0/19
143.199.28.0/24
143.199.96.0/24
143.199.109.0/24
143.199.135.0/24
143.199.140.0/23
143.199.145.0/24
143.199.222.0/24
148.59.168.0/24
148.59.169.0/24
149.21.0.0/16
156.42.0.0/19
156.42.32.0/19
156.42.64.0/19
156.42.96.0/19
156.42.128.0/19
156.42.160.0/19
156.42.192.0/19
156.42.224.0/19
158.120.127.0/24
161.209.96.0/20
161.209.96.0/24
161.209.97.0/24
161.209.98.0/24
161.209.99.0/24
161.209.100.0/24
161.209.101.0/24
161.209.102.0/24
161.209.103.0/24
161.209.111.0/24
161.209.192.0/19
161.209.225.0/24
165.236.67.224/27
165.236.97.0/27
170.22.90.0/24
189.125.51.0/24
192.26.214.0/24
192.42.110.0/24
192.59.36.0/22
192.59.66.0/24
192.147.2.0/24
195.122.189.64/26
198.200.148.0/24
199.227.129.64/26
204.17.219.0/24
204.146.159.0/24
204.153.154.0/23
205.139.102.0/24
205.139.103.0/24
205.139.104.0/22
205.139.108.0/24
206.79.6.0/24
206.79.194.64/27
206.169.67.0/24
206.203.64.0/18
206.227.192.0/24
206.227.193.0/24
206.227.194.0/24
206.227.195.0/24
206.227.196.0/24
206.227.199.0/24
206.227.200.0/24
206.227.205.0/24
206.227.206.0/24
206.227.208.0/24
206.227.209.0/24
206.227.210.0/24
206.227.211.0/24
206.227.216.0/23
206.227.220.0/23
206.227.223.0/24
206.227.226.0/24
206.227.227.0/24
206.227.229.0/24
206.227.233.0/24
206.227.235.0/24
209.67.132.0/22
209.67.136.0/22
209.164.192.0/24
209.164.193.0/24
209.164.194.0/24
209.164.195.0/24
209.164.195.0/25
209.164.204.0/24
209.164.205.0/24
209.164.207.0/24
209.164.208.0/24
209.164.209.0/24
209.164.211.0/24
209.164.211.0/25
209.164.220.0/24
209.164.221.0/24
209.164.223.0/24
212.3.242.64/26
212.138.251.0/24
212.138.252.0/24
212.138.253.0/24
214.70.17.0/24
214.70.49.0/24
216.32.151.0/24
216.33.116.64/27
216.33.160.0/24
216.84.177.96/27
216.114.73.0/24
216.142.202.128/26
216.142.204.0/26
216.163.240.0/24
216.163.241.0/24
216.163.242.0/24
216.163.243.0/24
216.163.244.0/24
216.163.245.0/24
216.163.246.0/24
216.163.247.0/24
216.163.248.0/24
216.163.249.0/24
216.163.250.0/24
216.163.251.0/24
216.163.252.0/24
216.163.253.0/24
216.163.254.0/24
216.163.255.0/24
216.235.200.0/21