Internet Service Providers in United States

Top 20 organizations with the largest IP allocations in United States

United States

Top 20 organizations with the largest IP allocations


Rank Name IPv4 addresses IPv6 /64 networks AS numbers Prefixes
AT&T Services, Inc. 101,379,329 1.06 x 241 9 2,069
DoD Network Information Center 98,030,592 232 199 7,957
Comcast Cable Communications, LLC 76,508,310 1.13 x 248 39 735
4 Level 3 Communications, Inc. 74,286,984 1.62 x 239 12 3,910
5 MCI Communications Services, Inc. d/b/a Verizon Business 61,123,904 1.28 x 240 37 3,652
6 Apple Inc. 50,201,600 1.02 x 234 3 1,097
7 Cellco Partnership DBA Verizon Wireless 45,021,184 1.32 x 237 4 2,002
8 CenturyLink Communications, LLC 44,786,097 1.05 x 240 42 5,523
9 Amazon.com, Inc. 43,494,656 1.09 x 235 3 4,525
10 Charter Communications Inc 38,717,440 1.6 x 236 15 2,041
11 Cox Communications Inc. 33,034,240 1.8 x 236 1 4,539
12 Cogent Communications 29,607,424 1.11 x 238 3 3,948
13 Eli Lilly and Company 25,095,936 0 1 191
14 Microsoft Corporation 24,627,456 1.05 x 239 13 351
15 Sprint 19,821,292 1.44 x 238 5 468
16 AT&T Global Network Services, LLC 19,563,520 234 4 470
17 Akamai Technologies, Inc. 19,010,064 1.13 x 240 11 4,056
18 Google LLC 15,855,648 1.38 x 236 7 703
19 Frontier Communications of America, Inc. 15,510,016 1.02 x 234 6 2,718
20 AT&T Corp. 14,969,856 1.55 x 229 35 2,000