31.0.0.0/8
2,994 announced IP ranges across this /8. Select a /16 block below for its own breakdown and assigned ranges.
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 31.0.0.0/16 | Poland (100%) | 1 | 1 | 1 |
| 31.1.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 31.2.0.0/16 | Iran (100%) | 1 | 1 | 2 |
| 31.3.0.0/16 | United Kingdom (21%) | 16 | 32 | 43 |
| 31.4.0.0/16 | Spain (100%) | 1 | 1 | 1 |
| 31.5.0.0/16 | Romania (100%) | 1 | 1 | 1 |
| 31.6.0.0/16 | United States (33%) | 15 | 32 | 39 |
| 31.7.0.0/16 | Iran (33%) | 17 | 22 | 30 |
| 31.8.0.0/16 | Russia (100%) | 1 | 1 | 1 |
| 31.9.0.0/16 | Syria (100%) | 1 | 2 | 4 |
| 31.10.0.0/16 | Russia (46%) | 8 | 12 | 13 |
| 31.11.0.0/16 | Poland (45%) | 7 | 7 | 11 |
| 31.12.0.0/16 | Sweden (13%) | 12 | 15 | 15 |
| 31.13.0.0/16 | Bulgaria (33%) | 13 | 42 | 69 |
| 31.14.0.0/16 | Romania (28%) | 21 | 66 | 78 |
| 31.15.0.0/16 | Panama (16%) | 14 | 17 | 19 |
| 31.16.0.0/16 | Germany (100%) | 1 | 1 | 1 |
| 31.20.0.0/16 | Netherlands (100%) | 1 | 1 | 1 |
| 31.22.0.0/16 | Germany (21%) | 17 | 32 | 38 |
| 31.23.0.0/16 | Russia (100%) | 1 | 1 | 1 |
| 31.24.0.0/16 | United Kingdom (16%) | 25 | 43 | 51 |
| 31.25.0.0/16 | United States (20%) | 18 | 38 | 41 |
| 31.26.0.0/16 | Italy (100%) | 1 | 1 | 1 |
| 31.27.0.0/16 | Italy (100%) | 1 | 1 | 2 |
| 31.28.0.0/16 | Russia (53%) | 4 | 14 | 34 |
| 31.29.0.0/16 | Russia (73%) | 5 | 9 | 22 |
| 31.30.0.0/16 | Czechia (100%) | 1 | 1 | 1 |
| 31.31.0.0/16 | Sweden (14%) | 14 | 17 | 21 |
| 31.32.0.0/16 | France (100%) | 1 | 1 | 1 |
| 31.40.0.0/16 | Russia (63%) | 13 | 51 | 82 |
| 31.41.0.0/16 | Russia (37%) | 13 | 49 | 54 |
| 31.42.0.0/16 | Ukraine (28%) | 12 | 34 | 39 |
| 31.43.0.0/16 | Ukraine (52%) | 7 | 18 | 21 |
| 31.44.0.0/16 | Russia (47%) | 12 | 25 | 32 |
| 31.45.0.0/16 | Croatia (75%) | 2 | 3 | 4 |
| 31.46.0.0/16 | Hungary (100%) | 1 | 3 | 7 |
| 31.47.0.0/16 | Germany (22%) | 11 | 19 | 23 |
| 31.48.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.56.0.0/16 | United States (30%) | 35 | 100 | 153 |
| 31.57.0.0/16 | United States (27%) | 32 | 118 | 190 |
| 31.58.0.0/16 | United States (35%) | 24 | 94 | 153 |
| 31.59.0.0/16 | United Kingdom (32%) | 20 | 65 | 136 |
| 31.60.0.0/16 | Poland (100%) | 1 | 1 | 1 |
| 31.61.0.0/16 | Poland (100%) | 1 | 1 | 1 |
| 31.66.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 31.67.0.0/16 | United States (100%) | 1 | 2 | 2 |
| 31.68.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 31.70.0.0/16 | Germany (100%) | 1 | 1 | 1 |
| 31.76.0.0/16 | United Kingdom (58%) | 10 | 34 | 102 |
| 31.77.0.0/16 | United Kingdom (32%) | 23 | 87 | 142 |
| 31.80.0.0/16 | United States (100%) | 1 | 1 | 1 |
| 31.88.0.0/16 | United States (100%) | 1 | 1 | 2 |
| 31.90.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.95.0.0/16 | United Kingdom (100%) | 1 | 1 | 12 |
| 31.96.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.97.0.0/16 | Cyprus (100%) | 1 | 1 | 1 |
| 31.98.0.0/16 | India (43%) | 4 | 6 | 7 |
| 31.99.0.0/16 | United States (30%) | 7 | 10 | 10 |
| 31.100.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.105.0.0/16 | United States (100%) | 1 | 2 | 3 |
| 31.106.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.108.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.112.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.125.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.126.0.0/16 | United Kingdom (100%) | 1 | 1 | 1 |
| 31.128.0.0/16 | Ukraine (69%) | 4 | 30 | 36 |
| 31.129.0.0/16 | Russia (41%) | 6 | 24 | 32 |
| 31.130.0.0/16 | Russia (49%) | 12 | 32 | 35 |
| 31.131.0.0/16 | Russia (38%) | 11 | 34 | 37 |
| 31.132.0.0/16 | Russia (36%) | 13 | 22 | 28 |
| 31.133.0.0/16 | Russia (42%) | 9 | 29 | 38 |
| 31.134.0.0/16 | Russia (44%) | 7 | 16 | 18 |
| 31.135.0.0/16 | Russia (48%) | 9 | 25 | 31 |
| 31.136.0.0/16 | Netherlands (100%) | 1 | 1 | 1 |
| 31.140.0.0/16 | Turkey (100%) | 1 | 1 | 1 |
| 31.141.0.0/16 | Turkey (100%) | 1 | 1 | 3 |
| 31.143.0.0/16 | Turkey (100%) | 1 | 1 | 1 |
| 31.144.0.0/16 | Ukraine (100%) | 1 | 1 | 1 |
| 31.145.0.0/16 | Turkey (100%) | 1 | 10 | 54 |
| 31.146.0.0/16 | Georgia (100%) | 1 | 1 | 2 |
| 31.147.0.0/16 | Croatia (100%) | 1 | 1 | 1 |
| 31.148.0.0/16 | Russia (44%) | 10 | 55 | 80 |
| 31.149.0.0/16 | Netherlands (100%) | 1 | 1 | 1 |
| 31.150.0.0/16 | Germany (100%) | 1 | 1 | 1 |
| 31.151.0.0/16 | Netherlands (100%) | 1 | 1 | 1 |
| 31.152.0.0/16 | Greece (100%) | 1 | 1 | 1 |
| 31.153.0.0/16 | Cyprus (100%) | 1 | 1 | 1 |
| 31.154.0.0/16 | Israel (100%) | 1 | 1 | 1 |
| 31.155.0.0/16 | Turkey (100%) | 1 | 3 | 16 |
| 31.156.0.0/16 | Italy (100%) | 1 | 1 | 1 |
| 31.160.0.0/16 | Netherlands (100%) | 1 | 1 | 1 |
| 31.162.0.0/16 | Russia (100%) | 1 | 1 | 2 |
| 31.163.0.0/16 | Russia (100%) | 1 | 1 | 1 |
| 31.164.0.0/16 | Switzerland (100%) | 1 | 1 | 1 |
| 31.166.0.0/16 | Saudi Arabia (100%) | 1 | 1 | 1 |
| 31.168.0.0/16 | Israel (100%) | 1 | 1 | 1 |
| 31.169.0.0/16 | Turkey (47%) | 11 | 19 | 30 |
| 31.170.0.0/16 | Russia (17%) | 15 | 22 | 24 |
| 31.171.0.0/16 | Azerbaijan (53%) | 18 | 29 | 51 |
| 31.172.0.0/16 | Germany (22%) | 11 | 31 | 49 |
| 31.173.0.0/16 | Russia (100%) | 1 | 9 | 25 |
| 31.174.0.0/16 | Poland (100%) | 1 | 1 | 1 |
| 31.176.0.0/16 | Bosnia and Herzegovina (100%) | 1 | 1 | 1 |
| 31.177.0.0/16 | Russia (52%) | 12 | 18 | 27 |
| 31.178.0.0/16 | Poland (100%) | 1 | 1 | 1 |
| 31.180.0.0/16 | Russia (100%) | 1 | 1 | 1 |
| 31.182.0.0/16 | Poland (100%) | 1 | 1 | 1 |
| 31.184.0.0/16 | Russia (37%) | 7 | 20 | 38 |
| 31.185.0.0/16 | Italy (29%) | 11 | 15 | 21 |
| 31.186.0.0/16 | United States (24%) | 14 | 29 | 46 |
| 31.187.0.0/16 | Germany (35%) | 11 | 16 | 20 |
| 31.188.0.0/16 | Italy (100%) | 1 | 1 | 1 |
| 31.190.0.0/16 | Italy (100%) | 1 | 1 | 1 |
| 31.192.0.0/16 | Russia (42%) | 11 | 22 | 36 |
| 31.193.0.0/16 | Italy (15%) | 20 | 31 | 33 |
| 31.194.0.0/16 | Italy (100%) | 1 | 1 | 1 |
| 31.200.0.0/16 | Russia (55%) | 5 | 9 | 11 |
| 31.201.0.0/16 | Netherlands (100%) | 1 | 1 | 1 |
| 31.202.0.0/16 | Ukraine (100%) | 1 | 3 | 5 |
| 31.203.0.0/16 | Kuwait (100%) | 1 | 1 | 1 |
| 31.204.0.0/16 | United States (43%) | 9 | 13 | 28 |
| 31.205.0.0/16 | United Kingdom (100%) | 1 | 1 | 2 |
| 31.206.0.0/16 | Turkey (100%) | 1 | 3 | 13 |
| 31.207.0.0/16 | Russia (31%) | 13 | 24 | 26 |
| 31.208.0.0/16 | Sweden (100%) | 1 | 1 | 1 |
| 31.209.0.0/16 | Germany (33%) | 6 | 10 | 12 |
| 31.210.0.0/16 | Turkey (40%) | 18 | 49 | 60 |
| 31.211.0.0/16 | Sweden (17%) | 6 | 6 | 6 |
| 31.212.0.0/16 | Germany (100%) | 1 | 1 | 1 |
| 31.214.0.0/16 | Germany (56%) | 9 | 17 | 36 |
| 31.215.0.0/16 | United Arab Emirates (100%) | 1 | 1 | 20 |
| 31.216.0.0/16 | Cyprus (17%) | 18 | 26 | 36 |
| 31.217.0.0/16 | United Kingdom (14%) | 16 | 18 | 21 |
| 31.218.0.0/16 | United Arab Emirates (100%) | 1 | 1 | 7 |
| 31.219.0.0/16 | United Arab Emirates (100%) | 1 | 2 | 11 |
| 31.220.0.0/16 | United States (30%) | 13 | 26 | 50 |
| 31.221.0.0/16 | United Kingdom (50%) | 2 | 2 | 2 |
| 31.222.0.0/16 | United Kingdom (17%) | 21 | 38 | 47 |
| 31.223.0.0/16 | Turkey (35%) | 11 | 16 | 26 |
| 31.224.0.0/16 | Germany (100%) | 1 | 1 | 1 |