Autonomous systems
AS3356 LEVEL3
IPv4 prefixes
2,026
IPv4 addresses
27,408,512
IPv6 prefixes
69
Registered
2000-03-10
whois.arin.net
At a glance
- Country
- 🇺🇸 United States
- Network type
- Unclassified network
- Registry name
- LEVEL3 AS3356
- registrant
- Level 3 Parent, LLC
- abuse
- L3 Abuse Contact abuse@level3.com
- administrative, technical
- ADMIN POC LVLT ipadmin@centurylink.com
- routing
- RPKI-ROA rpki-roa@lumen.com
IPv4 prefixes
Page 1
| CIDR | First address | Last address | Addresses |
|---|---|---|---|
| 4.0.0.0/12 | 4.0.0.0 | 4.19.11.255 | 1,248,256 |
| 4.19.14.0/23 | 4.19.14.0 | 4.31.236.63 | 843,328 |
| 4.31.236.72/29 | 4.31.236.72 | 4.34.11.255 | 139,192 |
| 4.34.14.0/23 | 4.34.14.0 | 4.35.68.255 | 79,616 |
| 4.35.70.0/23 | 4.35.70.0 | 4.39.98.255 | 269,568 |
| 4.39.100.0/22 | 4.39.100.0 | 4.55.255.255 | 1,088,512 |
| 4.56.0.0/13 | 4.56.0.0 | 4.75.131.255 | 1,278,976 |
| 4.75.133.0/24 | 4.75.133.0 | 4.127.255.255 | 3,439,360 |
| 5.252.72.0/24 | 5.252.72.0 | 5.252.72.255 | 256 |
| 8.0.0.0/15 | 8.0.0.0 | 8.2.16.255 | 135,424 |
| 8.2.19.0/24 | 8.2.19.0 | 8.2.40.255 | 5,632 |
| 8.2.41.0/24 | 8.2.41.0 | 8.2.67.255 | 6,912 |
| 8.2.73.0/24 | 8.2.73.0 | 8.2.78.255 | 1,536 |
| 8.2.80.0/20 | 8.2.80.0 | 8.2.95.255 | 4,096 |
| 8.2.97.0/24 | 8.2.97.0 | 8.2.104.255 | 2,048 |
| 8.2.106.0/23 | 8.2.106.0 | 8.2.107.255 | 512 |
| 8.2.112.0/22 | 8.2.112.0 | 8.2.117.255 | 1,536 |
| 8.2.120.0/21 | 8.2.120.0 | 8.2.129.255 | 2,560 |
| 8.2.136.0/21 | 8.2.136.0 | 8.2.143.255 | 2,048 |
| 8.2.148.0/22 | 8.2.148.0 | 8.2.175.255 | 7,168 |
| 8.2.178.0/23 | 8.2.178.0 | 8.2.183.255 | 1,536 |
| 8.2.188.0/22 | 8.2.188.0 | 8.2.191.255 | 1,024 |
| 8.2.196.0/24 | 8.2.196.0 | 8.2.196.255 | 256 |
| 8.2.198.0/23 | 8.2.198.0 | 8.2.207.255 | 2,560 |
| 8.2.224.0/24 | 8.2.224.0 | 8.2.224.255 | 256 |
| 8.2.226.0/23 | 8.2.226.0 | 8.3.2.255 | 8,448 |
| 8.3.4.0/22 | 8.3.4.0 | 8.3.27.255 | 6,144 |
| 8.3.29.0/24 | 8.3.29.0 | 8.3.47.255 | 4,864 |
| 8.3.52.0/23 | 8.3.52.0 | 8.3.53.255 | 512 |
| 8.3.56.0/21 | 8.3.56.0 | 8.3.63.255 | 2,048 |
| 8.3.66.0/23 | 8.3.66.0 | 8.3.71.255 | 1,536 |
| 8.3.73.0/24 | 8.3.73.0 | 8.3.79.255 | 1,792 |
| 8.3.96.0/20 | 8.3.96.0 | 8.3.111.255 | 4,096 |
| 8.3.128.0/18 | 8.3.128.0 | 8.3.216.255 | 22,784 |
| 8.3.218.0/23 | 8.3.218.0 | 8.3.221.255 | 1,024 |
| 8.3.224.0/22 | 8.3.224.0 | 8.3.229.255 | 1,536 |
| 8.3.232.0/23 | 8.3.232.0 | 8.3.233.255 | 512 |
| 8.3.235.0/24 | 8.3.235.0 | 8.3.241.255 | 1,792 |
| 8.3.243.0/24 | 8.3.243.0 | 8.3.251.255 | 2,304 |
| 8.3.253.0/24 | 8.3.253.0 | 8.4.24.255 | 7,168 |
| 8.4.26.0/23 | 8.4.26.0 | 8.4.31.255 | 1,536 |
| 8.4.33.0/24 | 8.4.33.0 | 8.4.37.255 | 1,280 |
| 8.4.39.0/24 | 8.4.39.0 | 8.4.119.255 | 20,736 |
| 8.4.124.0/22 | 8.4.124.0 | 8.4.162.255 | 9,984 |
| 8.4.164.0/22 | 8.4.164.0 | 8.4.223.255 | 15,360 |
| 8.4.227.0/24 | 8.4.227.0 | 8.4.230.255 | 1,024 |
| 8.4.232.0/21 | 8.4.232.0 | 8.5.35.255 | 15,360 |
| 8.5.37.0/24 | 8.5.37.0 | 8.5.129.255 | 23,808 |
| 8.5.131.0/24 | 8.5.131.0 | 8.5.160.255 | 7,680 |
| 8.5.161.0/24 | 8.5.161.0 | 8.5.241.255 | 20,736 |
| 8.5.244.0/22 | 8.5.244.0 | 8.5.249.255 | 1,536 |
| 8.5.254.0/23 | 8.5.254.0 | 8.6.8.255 | 2,816 |
| 8.6.10.0/23 | 8.6.10.0 | 8.6.18.255 | 2,304 |
| 8.6.20.0/22 | 8.6.20.0 | 8.6.79.255 | 15,360 |
| 8.6.81.0/24 | 8.6.81.0 | 8.6.83.255 | 768 |
| 8.6.85.0/24 | 8.6.85.0 | 8.6.88.255 | 1,024 |
| 8.6.90.0/23 | 8.6.90.0 | 8.6.91.255 | 512 |
| 8.6.94.0/24 | 8.6.94.0 | 8.6.94.255 | 256 |
| 8.6.96.0/20 | 8.6.96.0 | 8.6.111.255 | 4,096 |
| 8.6.113.0/24 | 8.6.113.0 | 8.6.178.255 | 16,896 |
| 8.6.180.0/24 | 8.6.180.0 | 8.6.180.255 | 256 |
| 8.6.186.0/23 | 8.6.186.0 | 8.6.219.255 | 8,704 |
| 8.6.224.0/20 | 8.6.224.0 | 8.6.239.255 | 4,096 |
| 8.6.242.0/23 | 8.6.242.0 | 8.6.243.255 | 512 |
| 8.6.246.0/23 | 8.6.246.0 | 8.7.16.255 | 6,912 |
| 8.7.18.0/23 | 8.7.18.0 | 8.7.29.255 | 3,072 |
| 8.7.31.0/24 | 8.7.31.0 | 8.7.41.255 | 2,816 |
| 8.7.45.0/24 | 8.7.45.0 | 8.7.75.255 | 7,936 |
| 8.7.80.0/21 | 8.7.80.0 | 8.7.87.255 | 2,048 |
| 8.7.89.0/24 | 8.7.89.0 | 8.7.91.255 | 768 |
| 8.7.95.0/24 | 8.7.95.0 | 8.7.148.255 | 13,824 |
| 8.7.150.0/23 | 8.7.150.0 | 8.7.153.255 | 1,024 |
| 8.7.156.0/22 | 8.7.156.0 | 8.7.195.255 | 10,240 |
| 8.7.197.0/24 | 8.7.197.0 | 8.7.198.255 | 512 |
| 8.7.202.0/23 | 8.7.202.0 | 8.7.204.255 | 768 |
| 8.7.206.0/23 | 8.7.206.0 | 8.7.222.255 | 4,352 |
| 8.7.224.0/20 | 8.7.224.0 | 8.7.243.255 | 5,120 |
| 8.7.245.0/24 | 8.7.245.0 | 8.8.0.255 | 3,072 |
| 8.8.2.0/23 | 8.8.2.0 | 8.8.3.255 | 512 |
| 8.8.5.0/24 | 8.8.5.0 | 8.8.5.255 | 256 |
| 8.8.7.0/24 | 8.8.7.0 | 8.8.7.255 | 256 |
| 8.8.9.0/24 | 8.8.9.0 | 8.8.10.255 | 512 |
| 8.8.12.0/22 | 8.8.12.0 | 8.8.29.255 | 4,608 |
| 8.8.31.0/24 | 8.8.31.0 | 8.8.34.255 | 1,024 |
| 8.8.36.0/23 | 8.8.36.0 | 8.8.38.255 | 768 |
| 8.8.40.0/21 | 8.8.40.0 | 8.8.51.255 | 3,072 |
| 8.8.56.0/21 | 8.8.56.0 | 8.8.93.255 | 9,728 |
| 8.8.95.0/24 | 8.8.95.0 | 8.8.205.255 | 28,416 |
| 8.8.207.0/24 | 8.8.207.0 | 8.8.207.255 | 256 |
| 8.8.224.0/23 | 8.8.224.0 | 8.8.225.255 | 512 |
| 8.8.236.0/22 | 8.8.236.0 | 8.8.243.255 | 2,048 |
| 8.8.250.0/23 | 8.8.250.0 | 8.9.1.255 | 2,048 |
| 8.9.3.0/24 | 8.9.3.0 | 8.9.11.255 | 2,304 |
| 8.9.13.0/24 | 8.9.13.0 | 8.9.31.255 | 4,864 |
| 8.9.34.0/23 | 8.9.34.0 | 8.9.38.255 | 1,280 |
| 8.9.48.0/20 | 8.9.48.0 | 8.9.79.255 | 8,192 |
| 8.9.98.0/23 | 8.9.98.0 | 8.9.159.255 | 15,872 |
| 8.9.164.0/22 | 8.9.164.0 | 8.9.194.255 | 7,936 |
| 8.9.196.0/23 | 8.9.196.0 | 8.9.197.255 | 512 |
| 8.9.200.0/21 | 8.9.200.0 | 8.9.223.255 | 6,144 |
IPv6 prefixes
50
2001:428:3816::/482001:428:5805::/482001:428:6400::/482001:13b0:8013::/482001:13b0:8015::/482001:13b0:8021::/482001:13b0:8029::/482001:13b0:a031::/482001:13b0:a301::/482001:13b0:b900::/482001:13b0:c000::/482001:13b2::/472001:13b2:2::/322001:13b2:800d::/432001:13b2:8015::/442001:13b2:801f::/412001:13b2:8042::/452001:13b2:8046::/352001:13b2:9006::/442001:13b2:900a::/392001:13b2:9102::/342001:13b2:ba02::/432001:13b2:ba11::/372001:13b2:bc1c::/462001:13b2:bc1f::/382001:13b2:be0a::/312001:13b3:8::/472001:13b3:b::/322001:13b3:8003::/352001:13b3:9002::/342001:13b4::/482001:13b4:2::/332001:13b4:400a::/472001:13b4:400c::/352001:13b4:500a::/322001:13b4:8003::/332001:1900::/342001:1900:3013::/322001:4c08::/342001:4c08:2027::/322401:f6e0::/322602:2f4::/442606:840::/322620:7e:30e0::/482620:a9:4000::/482620:b0:4000::/482620:11b:e000::/462620:11b:e003::/402620:123:d001::/482620:12c:3000::/44