| 1 | AT&T Corp. | 414 | 89 547 264 |
| 2 | AT&T Internet Services | 341 | 58 615 552 |
| 3 | Level 3 Communications, Inc. | 262 | 45 328 640 |
| 4 | Hewlett-Packard Company | 876 | 40 186 368 |
| 5 | Time Warner Cable Internet LLC | 232 | 36 919 296 |
| 6 | Cellco Partnership DBA Verizon Wireless | 40 | 28 042 752 |
| 7 | PSINet, Inc. | 140 | 25 695 744 |
| 8 | Comcast IP Services, L.L.C. | 8 | 25 231 360 |
| 9 | Verizon Online LLC | 144 | 23 443 456 |
| 10 | HEWLETT PACKARD ENTERPRISE COMPANY | 421 | 22 344 192 |
| 11 | E.I. du Pont de Nemours and Co., Inc. | 155 | 21 435 392 |
| 12 | T-Mobile USA, Inc. | 43 | 19 290 112 |
| 13 | Sprint Communications, Inc. | 30 | 19 282 432 |
| 14 | Comcast Cable Communications, Inc. | 15 | 18 743 296 |
| 15 | AT&T Services, Inc. | 12 | 17 825 792 |
| 16 | General Electric Company | 31 | 17 506 048 |
| 17 | Computer Sciences Corporation | 53 | 17 314 048 |
| 18 | Bell-Northern Research | 69 | 16 974 080 |
| 19 | Halliburton Company | 28 | 16 777 216 |
| 20 | AT&T Global Network Services, LLC | 27 | 16 404 736 |
| 21 | Massachusetts Institute of Technology | 206 | 16 384 000 |
| 22 | Level 3 Parent, LLC | 58 | 15 310 336 |
| 23 | Qwest Communications Company, LLC | 77 | 15 199 744 |
| 24 | BellSouth.net Inc. | 22 | 15 008 000 |
| 25 | Merck and Co., Inc. | 81 | 14 090 240 |
| 26 | Merit Network Inc. | 54 | 14 080 000 |
| 27 | Xerox Corporation | 45 | 13 697 024 |
| 28 | Sprint | 86 | 12 327 168 |
| 29 | Comcast Cable Communications Holdings, Inc | 32 | 11 526 144 |
| 30 | United States Postal Service. | 175 | 11 468 800 |
| 31 | Eli Lilly and Company | 86 | 10 502 144 |
| 32 | Ford Motor Company | 63 | 9 056 256 |
| 33 | AT&T Mobility LLC | 21 | 9 005 312 |
| 34 | Savvis | 253 | 8 949 760 |
| 35 | Wireless Data Service Provider Corporation | 128 | 8 913 152 |
| 36 | Service Provider Corporation | 10 | 8 913 152 |
| 37 | DXC US Latin America Corporation | 125 | 7 812 352 |
| 38 | V.TAL - REDE NEUTRA DE TELECOMUNICACOES S.A. | 430 | 7 110 656 |
| 39 | XO Communications | 81 | 6 631 936 |
| 40 | The Prudential Insurance Company of America | 13 | 6 553 600 |
| 41 | UUNET Technologies, Inc. | 5 | 6 160 384 |
| 42 | AOL Inc. | 12 | 6 046 720 |
| 43 | IBM | 157 | 6 006 272 |
| 44 | Rogers Cable Communications Inc. | 49 | 5 460 480 |
| 45 | Oath Holdings Inc. | 9 | 5 459 968 |
| 46 | Shaw Communications Inc. | 19 | 5 244 928 |
| 47 | Windstream Communications LLC | 1 308 | 5 027 328 |
| 48 | CENTURYLINK, INC. | 50 | 5 011 456 |
| 49 | Alcatel-Lucent | 31 | 4 784 640 |
| 50 | Earthlink, Inc. | 253 | 4 633 856 |
| 51 | Nokia of America Corporation | 66 | 4 269 056 |
| 52 | Amateur Radio Digital Communications | 1 | 4 194 304 |
| 53 | GTT | 116 | 3 894 016 |
| 54 | Embarq Corporation | 19 | 3 440 640 |
| 55 | BRIGHT HOUSE NETWORKS, LLC | 18 | 3 411 968 |
| 56 | ANS Communications, Inc | 24 | 3 287 040 |
| 57 | Amazon.com, Inc. | 121 | 3 200 768 |
| 58 | SoftLayer Technologies Inc. | 47 | 3 092 480 |
| 59 | Enterprise Services Latin America Corporation | 53 | 2 978 304 |
| 60 | PaeTec Communications, Inc. | 144 | 2 922 496 |
| 61 | Globenet Cabos Submarinos America Inc. | 193 | 2 887 680 |
| 62 | Comcast Business Communications, LLC | 13 | 2 842 624 |
| 63 | HP Inc. | 57 | 2 513 408 |
| 64 | Le Groupe Videotron Ltee | 26 | 2 359 552 |
| 65 | Citicorp | 8 | 2 359 552 |
| 66 | United States Postal Service | 35 | 2 293 760 |
| 67 | Amazon Technologies Inc. | 25 | 2 219 008 |
| 68 | tw telecom holdings, inc. | 35 | 2 196 224 |
| 69 | AT&T Enterprises, LLC | 50 | 2 102 784 |
| 70 | Google LLC | 6 | 1 803 264 |
| 71 | MegaPath Networks Inc. | 47 | 1 787 904 |
| 72 | Stentor National Integrated Communications Network | 27 | 1 769 472 |
| 73 | CLEAR WIRELESS LLC | 9 | 1 736 704 |
| 74 | Integra Telecom, Inc. | 39 | 1 670 400 |
| 75 | Wells Fargo & Company | 50 | 1 667 840 |
| 76 | ThePlanet.com Internet Services, Inc. | 24 | 1 646 592 |
| 77 | SITA Switzerland Sarl | 24 | 1 638 400 |
| 78 | MegaPath Corporation | 29 | 1 595 392 |
| 79 | MCI Telecommunications | 15 | 1 573 376 |
| 80 | CenturyTel Internet Holdings, Inc. | 26 | 1 531 904 |
| 81 | Nobis Technology Group, LLC | 162 | 1 507 328 |
| 82 | Verizon Data Services LLC | 51 | 1 385 216 |
| 83 | Spacenet, Inc. | 36 | 1 359 872 |
| 84 | Sun Microsystems, Inc | 30 | 1 309 952 |
| 85 | Eastman Kodak Company | 25 | 1 233 664 |
| 86 | USCC Services, LLC | 16 | 1 227 776 |
| 87 | Onvoy | 13 | 1 196 288 |
| 88 | CERFnet | 15 | 1 180 416 |
| 89 | NCR Voyix Corporation | 66 | 1 159 168 |
| 90 | Peer 1 Dedicated Hosting | 43 | 1 122 304 |
| 91 | Southern New England Telephone Company and SNET America, Inc. | 3 | 1 122 304 |
| 92 | Vodafone US Inc. | 7 | 1 118 208 |
| 93 | MCI Communications Services, Inc. d/b/a Verizon Business | 4 | 1 114 112 |
| 94 | Freeport-McMoRan Inc. | 2 | 1 114 112 |
| 95 | Viasat Communications Inc. | 12 | 1 073 152 |
| 96 | AGIS | 19 | 1 069 568 |
| 97 | Comcast Cable Communications, LLC | 2 | 1 049 600 |
| 98 | TalkTalk Communications Limited | 7 | 1 048 576 |
| 99 | Windstream Nuvox, Inc. | 32 | 1 015 808 |
| 100 | PCCW Global, Inc. | 8 | 1 015 808 |