173.0.0.0/8
2,145 announced IP ranges across this /8. Select a /16 block below for its own breakdown and assigned ranges.
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 173.0.0.0/16 | United States (80%) | 4 | 30 | 41 |
| 173.1.0.0/16 | United States (75%) | 2 | 2 | 4 |
| 173.2.0.0/16 | United States (100%) | 1 | 1 | 6 |
| 173.3.0.0/16 | United States (100%) | 1 | 1 | 6 |
| 173.8.0.0/16 | United States (100%) | 1 | 9 | 9 |
| 173.9.0.0/16 | United States (100%) | 1 | 3 | 3 |
| 173.10.0.0/16 | United States (100%) | 1 | 16 | 20 |
| 173.11.0.0/16 | United States (100%) | 1 | 4 | 4 |
| 173.12.0.0/16 | United States (100%) | 1 | 10 | 12 |
| 173.13.0.0/16 | United States (100%) | 1 | 5 | 5 |
| 173.14.0.0/16 | United States (100%) | 1 | 12 | 20 |
| 173.15.0.0/16 | United States (100%) | 1 | 5 | 5 |
| 173.16.0.0/16 | United States (100%) | 1 | 1 | 3 |
| 173.17.0.0/16 | United States (100%) | 1 | 1 | 5 |
| 173.18.0.0/16 | United States (100%) | 1 | 1 | 2 |
| 173.19.0.0/16 | United States (100%) | 1 | 1 | 9 |
| 173.20.0.0/16 | United States (100%) | 1 | 1 | 10 |
| 173.21.0.0/16 | United States (100%) | 1 | 1 | 5 |
| 173.22.0.0/16 | United States (100%) | 1 | 1 | 7 |
| 173.23.0.0/16 | United States (100%) | 1 | 1 | 11 |
| 173.24.0.0/16 | United States (100%) | 1 | 1 | 10 |
| 173.25.0.0/16 | United States (100%) | 1 | 1 | 11 |
| 173.26.0.0/16 | United States (100%) | 1 | 1 | 10 |
| 173.27.0.0/16 | United States (100%) | 1 | 1 | 14 |
| 173.28.0.0/16 | United States (100%) | 1 | 1 | 14 |
| 173.29.0.0/16 | United States (100%) | 1 | 1 | 14 |
| 173.30.0.0/16 | United States (100%) | 1 | 1 | 15 |
| 173.31.0.0/16 | United States (100%) | 1 | 1 | 14 |
| 173.32.0.0/16 | Canada (100%) | 1 | 1 | 3 |
| 173.33.0.0/16 | Canada (100%) | 1 | 1 | 1 |
| 173.35.0.0/16 | Canada (100%) | 1 | 1 | 2 |
| 173.36.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.37.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.39.0.0/16 | United States (100%) | 1 | 2 | 2 |
| 173.40.0.0/16 | United States (100%) | 1 | 2 | 3 |
| 173.41.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.42.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.44.0.0/16 | United States (77%) | 5 | 17 | 62 |
| 173.45.0.0/16 | United States (90%) | 2 | 12 | 21 |
| 173.46.0.0/16 | United States (69%) | 5 | 21 | 35 |
| 173.47.0.0/16 | United States (100%) | 1 | 1 | 28 |
| 173.48.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.50.0.0/16 | United States (100%) | 1 | 1 | 3 |
| 173.51.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.52.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.53.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.56.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.59.0.0/16 | United States (100%) | 1 | 1 | 2 |
| 173.61.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.66.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.67.0.0/16 | United States (100%) | 1 | 1 | 2 |
| 173.69.0.0/16 | United States (100%) | 1 | 1 | 2 |
| 173.71.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.72.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.75.0.0/16 | United States (100%) | 1 | 1 | 2 |
| 173.79.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.80.0.0/16 | United States (100%) | 1 | 1 | 7 |
| 173.81.0.0/16 | United States (100%) | 1 | 1 | 5 |
| 173.82.0.0/16 | United States (100%) | 1 | 2 | 12 |
| 173.83.0.0/16 | United States (100%) | 1 | 3 | 10 |
| 173.84.0.0/16 | United States (100%) | 1 | 4 | 6 |
| 173.85.0.0/16 | United States (100%) | 1 | 2 | 3 |
| 173.86.0.0/16 | United States (100%) | 1 | 2 | 4 |
| 173.87.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.88.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.89.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.91.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.92.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.95.0.0/16 | United States (100%) | 1 | 2 | 2 |
| 173.96.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.160.0.0/16 | United States (100%) | 1 | 7 | 7 |
| 173.161.0.0/16 | United States (100%) | 1 | 2 | 2 |
| 173.162.0.0/16 | United States (100%) | 1 | 7 | 7 |
| 173.163.0.0/16 | United States (100%) | 1 | 8 | 9 |
| 173.164.0.0/16 | United States (100%) | 1 | 4 | 4 |
| 173.165.0.0/16 | United States (100%) | 1 | 7 | 8 |
| 173.166.0.0/16 | United States (100%) | 1 | 5 | 6 |
| 173.167.0.0/16 | United States (100%) | 1 | 11 | 16 |
| 173.168.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.172.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.176.0.0/16 | Canada (100%) | 1 | 1 | 1 |
| 173.180.0.0/16 | Canada (100%) | 1 | 1 | 1 |
| 173.181.0.0/16 | Canada (100%) | 1 | 1 | 2 |
| 173.183.0.0/16 | Canada (100%) | 1 | 1 | 1 |
| 173.184.0.0/16 | United States (100%) | 1 | 1 | 3 |
| 173.186.0.0/16 | United States (100%) | 1 | 1 | 4 |
| 173.187.0.0/16 | United States (100%) | 1 | 1 | 8 |
| 173.188.0.0/16 | United States (100%) | 1 | 2 | 5 |
| 173.189.0.0/16 | United States (100%) | 1 | 2 | 6 |
| 173.190.0.0/16 | United States (100%) | 1 | 1 | 5 |
| 173.191.0.0/16 | United States (100%) | 1 | 1 | 3 |
| 173.192.0.0/16 | United States (100%) | 1 | 1 | 4 |
| 173.193.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.194.0.0/16 | United States (100%) | 1 | 1 | 11 |
| 173.195.0.0/16 | United States (81%) | 3 | 26 | 37 |
| 173.196.0.0/16 | United States (100%) | 1 | 3 | 6 |
| 173.197.0.0/16 | United States (100%) | 1 | 8 | 16 |
| 173.198.0.0/16 | United States (100%) | 1 | 7 | 11 |
| 173.199.0.0/16 | United States (100%) | 1 | 7 | 26 |
| 173.200.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.201.0.0/16 | United States (77%) | 2 | 6 | 13 |
| 173.202.0.0/16 | United States (100%) | 1 | 2 | 4 |
| 173.203.0.0/16 | United States (100%) | 1 | 3 | 3 |
| 173.204.0.0/16 | United States (100%) | 1 | 2 | 3 |
| 173.205.0.0/16 | United States (88%) | 4 | 21 | 51 |
| 173.206.0.0/16 | Canada (100%) | 1 | 3 | 8 |
| 173.207.0.0/16 | United States (100%) | 1 | 4 | 36 |
| 173.208.0.0/16 | United States (97%) | 2 | 12 | 29 |
| 173.209.0.0/16 | United States (48%) | 7 | 19 | 33 |
| 173.210.0.0/16 | Canada (83%) | 2 | 2 | 6 |
| 173.211.0.0/16 | United States (66%) | 10 | 31 | 71 |
| 173.212.0.0/16 | Canada (54%) | 3 | 7 | 13 |
| 173.213.0.0/16 | United States (96%) | 2 | 16 | 28 |
| 173.214.0.0/16 | United States (73%) | 3 | 18 | 22 |
| 173.215.0.0/16 | United States (91%) | 2 | 21 | 54 |
| 173.216.0.0/16 | United States (100%) | 1 | 1 | 3 |
| 173.217.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.218.0.0/16 | United States (100%) | 1 | 1 | 5 |
| 173.219.0.0/16 | United States (95%) | 2 | 5 | 21 |
| 173.220.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.221.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 173.222.0.0/16 | Netherlands (57%) | 3 | 3 | 21 |
| 173.223.0.0/16 | Netherlands (50%) | 6 | 9 | 34 |
| 173.224.0.0/16 | United States (64%) | 4 | 18 | 25 |
| 173.225.0.0/16 | United States (71%) | 6 | 25 | 42 |
| 173.226.0.0/16 | United States (100%) | 1 | 30 | 54 |
| 173.227.0.0/16 | United States (100%) | 1 | 26 | 59 |
| 173.228.0.0/16 | Puerto Rico (71%) | 2 | 4 | 7 |
| 173.229.0.0/16 | United States (100%) | 1 | 4 | 4 |
| 173.230.0.0/16 | United States (92%) | 3 | 7 | 25 |
| 173.231.0.0/16 | United States (79%) | 2 | 14 | 38 |
| 173.232.0.0/16 | United States (98%) | 2 | 9 | 83 |
| 173.233.0.0/16 | United States (100%) | 1 | 10 | 14 |
| 173.234.0.0/16 | United States (78%) | 6 | 13 | 40 |
| 173.235.0.0/16 | United States (100%) | 1 | 4 | 9 |
| 173.236.0.0/16 | United States (100%) | 1 | 2 | 9 |
| 173.237.0.0/16 | United States (79%) | 2 | 10 | 19 |
| 173.238.0.0/16 | Canada (100%) | 1 | 1 | 1 |
| 173.239.0.0/16 | United States (61%) | 9 | 25 | 75 |
| 173.240.0.0/16 | United States (91%) | 2 | 22 | 43 |
| 173.241.0.0/16 | United States (83%) | 3 | 21 | 36 |
| 173.242.0.0/16 | United States (79%) | 3 | 20 | 29 |
| 173.243.0.0/16 | United States (76%) | 5 | 23 | 29 |
| 173.244.0.0/16 | United States (50%) | 9 | 22 | 44 |
| 173.245.0.0/16 | United States (90%) | 5 | 22 | 41 |
| 173.246.0.0/16 | United States (70%) | 3 | 13 | 27 |
| 173.247.0.0/16 | United States (76%) | 4 | 15 | 25 |
| 173.248.0.0/16 | United States (69%) | 2 | 7 | 13 |
| 173.249.0.0/16 | United States (79%) | 5 | 20 | 28 |
| 173.250.0.0/16 | United States (100%) | 1 | 7 | 9 |
| 173.251.0.0/16 | United States (100%) | 1 | 10 | 20 |
| 173.252.0.0/16 | United States (71%) | 3 | 11 | 21 |
| 173.253.0.0/16 | United States (100%) | 1 | 2 | 2 |
| 173.254.0.0/16 | United States (69%) | 2 | 8 | 45 |
| 173.255.0.0/16 | United States (41%) | 6 | 22 | 29 |