IPv4 Address Space Allocation
List of the IPv4 address space found in this database, given the size of the delegated IP range
- 51.33.0.0.0/8DoD Network Information Center16 777 216
- 52.171.0.0.0/8Early registration addresses16 777 216
- 53.20.0.0.0/8Computer Sciences Corporation16 777 216
- 54.18.0.0.0/8Massachusetts Institute of Technology16 777 216
- 55.16.0.0.0/8Hewlett-Packard Company16 777 216
- 56.163.0.0.0/8Early registration addresses16 777 216
- 57.4.0.0.0/9Parent: NET48 388 608
- 58.8.0.0.0/9Parent: NET88 388 608
- 59.18.32.0.0/9Parent: AT-88-Z8 388 608
- 60.50.128.0.0/9Parent: NET508 388 608
- 61.97.128.0.0/9Cellco Partnership DBA Verizon Wireless8 388 608
- 62.15.104.0.0/9Parent: NET158 388 608
- 63.32.0.0.0/9Parent: ATT-32-0-0-0-A8 388 608
- 64.15.0.0.0/9Parent: NET158 388 608
- 65.100.128.0.0/9T-Mobile USA, Inc.8 388 608
- 66.35.0.0.0/9Parent: NET358 388 608
- 67.18.128.0.0/9Parent: AT-88-Z8 388 608
- 68.40.144.0.0/9Eli Lilly and Company8 388 608
- 69.20.33.0.0/9Parent: NET208 388 608
- 70.221.16.0.0/9Japan nation-wide Network of SOFTBANK BB Corp.8 388 608
- 71.3.128.0.0/9Parent: AT-88-Z8 388 608
- 72.45.2.0.0/9Internet Assigned Numbers Authority8 388 608
- 73.44.0.0.0/9Parent: NET448 388 608
- 74.18.0.0.0/9Parent: NET188 388 608
- 75.153.128.0.0/9NTT Communications Corporation8 388 608
- 76.136.1.0.0/9Ford Motor Company8 388 608
- 77.166.128.0.0/9Parent: NET1668 388 608
- 78.99.0.0.0/9Parent: NET998 388 608
- 79.60.64.0.0/9Japan Nation-wide Network of Softbank Corp.8 388 608
- 80.3.0.0.0/9Parent: NET38 388 608
- 81.34.192.0.0/10Parent: NET344 194 304
- 82.76.192.0.0/10AT&T Internet Services4 194 304
- 83.106.128.0.0/10KDDI CORPORATION4 194 304
- 84.63.64.0.0/10Parent: UUNET634 194 304
- 85.151.3.0.0/10INFOSTRADA4 194 304
- 86.183.192.0.0/10China Mobile Communications Corporation4 194 304
- 87.54.96.0.0/10Parent: NET544 194 304
- 88.98.192.0.0/10Parent: JUMPSTART-54 194 304
- 89.111.0.0.0/10China Mobile Communications Corporation4 194 304
- 90.220.0.0.0/10Japan nation-wide Network of SOFTBANK BB CORP4 194 304
- 91.208.192.0.0/10Parent: NET2084 194 304
- 92.150.26.0.0/10Japan Network Information Center4 194 304
- 93.107.64.0.0/10Parent: NET1074 194 304
- 94.219.0.0.0/10Japan nation-wide Network of SOFTBANK Corp.4 194 304
- 95.108.192.0.0/10Parent: NET1084 194 304
- 96.75.0.0.0/10AT&T Internet Services4 194 304
- 97.96.64.0.0/10Parent: NET964 194 304
- 98.13.64.0.0/10Parent: NET134 194 304
- 99.52.145.0.0/10Parent: NET524 194 304
- 100.31.64.0.0/10EE route4 194 304