| No | Starting address | Ending address | Belongs to |
|---|---|---|---|
| | |||
| 1 | 0.0.0.0 | 2.255.255.255 | Reserved by IANA |
| 2 | 3.0.0.0 | 4.255.255.255 | ARIN |
| 3 | 5.0.0.0 | 5.255.255.255 | Reserved by IANA |
| 4 | 6.0.0.0 | 6.255.255.255 | ARIN |
| 5 | 7.0.0.0 | 7.255.255.255 | Reserved by IANA |
| 6 | 8.0.0.0 | 9.255.255.255 | ARIN |
| 7 | 10.0.0.0 | 10.255.255.255 | Reserved by IANA |
| 8 | 11.0.0.0 | 13.255.255.255 | ARIN |
| 9 | 14.0.0.0 | 14.255.255.255 | Reserved by IANA |
| 10 | 15.0.0.0 | 22.255.255.255 | ARIN |
| 11 | 23.0.0.0 | 23.255.255.255 | Reserved by IANA |
| 12 | 24.0.0.0 | 24.131.255.255 | ARIN |
| 13 | 24.132.0.0 | 24.135.255.255 | RIPE |
| 14 | 24.136.0.0 | 26.255.255.255 | ARIN |
| 15 | 27.0.0.0 | 27.255.255.255 | Reserved by IANA |
| 16 | 28.0.0.0 | 30.255.255.255 | ARIN |
| 17 | 31.0.0.0 | 31.255.255.255 | Reserved by IANA |
| 18 | 32.0.0.0 | 36.255.255.255 | ARIN |
| 19 | 37.0.0.0 | 37.255.255.255 | Reserved by IANA |
| 20 | 38.0.0.0 | 38.255.255.255 | ARIN |
| 21 | 39.0.0.0 | 39.255.255.255 | Reserved by IANA |
| 22 | 40.0.0.0 | 40.255.255.255 | ARIN |
| 23 | 41.0.0.0 | 42.255.255.255 | Reserved by IANA |
| 24 | 43.0.0.0 | 57.255.255.255 | ARIN |
| 25 | 58.0.0.0 | 60.255.255.255 | Reserved by IANA |
| 26 | 61.0.0.0 | 61.255.255.255 | APNIC |
| 27 | 62.0.0.0 | 62.255.255.255 | RIPE |
| 28 | 63.0.0.0 | 63.255.255.255 | ARIN |
| 29 | 64.0.0.0 | 64.255.255.255 | ARIN |
| 30 | 65.0.0.0 | 127.255.255.255 | Reserved by IANA |
| 31 | 128.0.0.0 | 139.19.255.255 | ARIN |
| 32 | 139.20.0.0 | 139.29.255.255 | RIPE |
| 33 | 139.30.0.0 | 140.255.255.255 | ARIN |
| 34 | 141.0.0.0 | 141.85.255.255 | RIPE |
| 35 | 141.86.0.0 | 145.223.255.255 | ARIN |
| 36 | 145.224.0.0 | 145.254.255.255 | RIPE |
| 37 | 145.255.0.0 | 149.131.255.255 | ARIN |
| 38 | 149.132.0.0 | 149.134.255.255 | RIPE |
| 39 | 149.135.0.0 | 149.201.255.255 | ARIN |
| 40 | 149.202.0.0 | 149.204.255.255 | RIPE |
| 41 | 149.205.0.0 | 149.205.255.255 | ARIN |
| 42 | 149.206.0.0 | 149.251.255.255 | RIPE |
| 43 | 149.252.0.0 | 150.253.255.255 | ARIN |
| 44 | 150.254.0.0 | 150.254.255.255 | RIPE |
| 45 | 151.0.0.0 | 151.2.255.255 | ARIN |
| 46 | 151.3.0.0 | 151.5.255.255 | RIPE |
| 47 | 151.6.0.0 | 151.12.255.255 | ARIN |
| 48 | 151.13.0.0 | 151.82.255.255 | RIPE |
| 49 | 151.83.0.0 | 151.90.255.255 | ARIN |
| 50 | 151.91.0.0 | 151.93.255.255 | RIPE |
| 51 | 151.94.0.0 | 151.94.255.255 | ARIN |
| 52 | 151.95.0.0 | 151.95.255.255 | RIPE |
| 53 | 151.96.0.0 | 160.43.255.255 | ARIN |
| 54 | 160.44.0.0 | 160.63.255.255 | RIPE |
| 55 | 160.64.0.0 | 160.215.255.255 | ARIN |
| 56 | 160.216.0.0 | 160.220.255.255 | RIPE |
| 57 | 160.221.0.0 | 163.155.255.255 | ARIN |
| 58 | 163.156.0.0 | 163.175.255.255 | RIPE |
| 59 | 163.176.0.0 | 163.255.255.255 | ARIN |
| 60 | 164.0.0.0 | 164.40.255.255 | RIPE |
| 61 | 164.41.0.0 | 164.127.255.255 | ARIN |
| 62 | 164.128.0.0 | 164.143.255.255 | RIPE |
| 63 | 164.144.0.0 | 169.207.255.255 | ARIN |
| 64 | 169.208.0.0 | 169.223.255.255 | APNIC |
| 65 | 169.224.0.0 | 171.15.255.255 | ARIN |
| 66 | 171.16.0.0 | 171.33.255.255 | RIPE |
| 67 | 171.34.0.0 | 192.70.255.255 | ARIN |
| 68 | 192.71.0.0 | 192.71.255.255 | RIPE |
| 69 | 192.72.0.0 | 192.106.143.255 | ARIN |
| 70 | 192.106.144.0 | 192.106.147.255 | RIPE |
| 71 | 192.106.148.0 | 192.106.195.255 | ARIN |
| 72 | 192.106.196.0 | 192.106.197.255 | RIPE |
| 73 | 192.106.198.0 | 192.161.255.255 | ARIN |
| 74 | 192.162.0.0 | 192.162.255.255 | RIPE |
| 75 | 192.163.0.0 | 192.163.255.255 | ARIN |
| 76 | 192.164.0.0 | 192.167.255.255 | RIPE |
| 77 | 192.168.0.0 | 192.255.255.255 | ARIN |
| 78 | 193.0.0.0 | 195.255.255.255 | RIPE |
| 79 | 196.0.0.0 | 196.255.255.255 | ARIN |
| 80 | 197.0.0.0 | 197.255.255.255 | Reserved by IANA |
| 81 | 198.0.0.0 | 198.17.116.255 | ARIN |
| 82 | 198.17.117.0 | 198.17.117.255 | RIPE |
| 83 | 198.17.118.0 | 200.255.255.255 | ARIN |
| 84 | 201.0.0.0 | 201.255.255.255 | Reserved by IANA |
| 85 | 202.0.0.0 | 203.255.255.255 | APNIC |
| 86 | 204.0.0.0 | 209.255.255.255 | ARIN |
| 87 | 210.0.0.0 | 211.255.255.255 | APNIC |
| 88 | 212.0.0.0 | 213.255.255.255 | RIPE |
| 89 | 214.0.0.0 | 216.255.255.255 | ARIN |
| 90 | 217.0.0.0 | 223.255.255.255 | ARIN |
| 91 | 224.0.0.0 | 239.255.255.255 | ARIN |
| 92 | 240.0.0.0 | 255.255.255.255 | Reserved by IANA |