Fort Collins is a city in with 1866170 residents. We counted 143986 IPs from Maxmind database. Fort Collins has 1866170 per resident.
| ASN | ASN Id | Total IP |
| USDA | AS4152 | 1494506 |
| Comcast Cable Communications, LLC | AS7922 | 68506 |
| Level 3 Communications, Inc. | AS3549 | 65788 |
| Colorado State University | AS12145 | 65534 |
| Poudre School District R-1 | AS54060 | 59860 |
| McWhinney Real Estate Services, Inc. | AS26495 | 13866 |
| Front Range Internet Inc. | AS6582 | 11066 |
| Department of the Interior, Office of theSecretary | AS22284 | 8190 |
| CA, Inc. | AS6126 | 8190 |
| State of Colorado General Go | AS36081 | 8190 |
| Qwest Communications Company, LLC | AS209 | 5598 |
| TDS Telecom | AS4181 | 3694 |
| JAB Wireless, INC. | AS39939 | 3240 |
| Northern Water | AS31904 | 3068 |
| Starz Entertainment Group LLC | AS39984 | 3064 |
| COLORADO VALLEY COMMUNICATIONS, INC. | AS27235 | 2046 |
| Markit On Demand, Inc. | AS30695 | 2046 |
| Continuum Data Centers, LLC. | AS53264 | 2046 |
| Center Partners, Inc. | AS46495 | 1786 |
| Pavlov Media Inc | AS46925 | 1532 |
| Avago Technologies U.S. Inc. | AS19637 | 1532 |
| Management Science Associates, Inc. | AS35962 | 1202 |
| Visionary Communications, Inc. | AS10835 | 1156 |
| Transmontaigne Product Services, Inc. | AS46658 | 1022 |
| Earthlink, Inc. | AS6983 | 1022 |
| Mackenzie Financial Corp | AS14358 | 1022 |
| Time Warner Cable Internet LLC | AS20001 | 1022 |
| Bijou Telephone Co-op Association, Inc. | AS63107 | 1020 |
| Reliance Globalcom Services, Inc | AS6517 | 1020 |
| City of Fort Collins | AS394748 | 1020 |
| McCarl's Inc. | AS54552 | 1012 |
| Unisys Corporation | AS15009 | 1004 |
| Integra Telecom, Inc. | AS7385 | 770 |
| Earthnet, Inc. | AS22658 | 770 |
| Avago Technologies U.S. Inc. | AS36657 | 764 |
| Dean Foods Company | AS63461 | 764 |
| AT&T Data Communications Services | AS2386 | 510 |
| Altay Corporation | AS1286 | 510 |
| Qwest Communications Company, LLC | AS3910 | 510 |
| Megapath Corporation | AS18566 | 510 |
| Clear Voice Telecom Inc. | AS25719 | 510 |
| Advanced Micro Devices, Inc. | AS33619 | 510 |
| QuadraNet, Inc | AS8100 | 510 |
| Intellectica Systems Inc. | AS394088 | 510 |
| Forty Niners Football Company LLC | AS393320 | 508 |
| AT&T Services, Inc. | AS7018 | 508 |
| Clipper Vacations | AS36320 | 508 |
| University of Arizona | AS1706 | 508 |
| Weld County Government | AS19076 | 508 |
| TDS Telecom | AS21864 | 380 |
| Lanset America Corporation | AS16578 | 380 |
| SunGard IWORKS, LLC | AS47008 | 316 |
| Atypon Systems, Inc. | AS393658 | 268 |
| OtterBox | AS54758 | 254 |
| Royal Green Communication Corporation | AS393527 | 254 |
| ShoreTel Inc. | AS18636 | 254 |
| Results | AS36079 | 254 |
| Freewire Broadband LLC | AS36687 | 254 |
| Syptec | AS29951 | 254 |
| SIERRA TRADING POST, Inc. | AS40380 | 254 |
| GATES CORPORATION | AS395218 | 254 |
| Dallas County Schools | AS19581 | 254 |
| Platte River Power Authority | AS31991 | 254 |
| Opus Corporation | AS32530 | 254 |
| SFPS | AS395452 | 254 |
| Weld County School District Six | AS54304 | 254 |
| CBEYOND COMMUNICATIONS, LLC | AS17184 | 254 |
| Cox Communications Inc. | AS22773 | 254 |
| VeriFone Inc. | AS26234 | 254 |
| Digital United Inc. | AS4780 | 254 |
| Larimer County Government | AS54669 | 254 |
| Oso Grande Technologies, Inc. | AS26640 | 254 |
| privateI, LLC | AS6653 | 254 |
| Central Community College | AS54072 | 254 |
| XMission, L.C. | AS6315 | 254 |
| Meganet Communications | AS10271 | 254 |
| Comcast Cable Communications, LLC | AS33662 | 254 |
| Allianz Life | AS18581 | 254 |
| XO Communications | AS2828 | 254 |
| Trizetto Corporation | AS26959 | 254 |
| Merit Network Inc. | AS237 | 254 |
| AT&T Services, Inc. | AS13979 | 254 |
| Schryver Medical Sales and Marketing, Inc | AS11091 | 254 |
| Netgain Technology, Inc. | AS26135 | 254 |
| Poudre Valley Health Care, Inc. | AS25825 | 254 |
| tummy.com, ltd. | AS32150 | 254 |
| Uecomm Ltd | AS10223 | 254 |
| Midmark Corporation | AS394800 | 254 |
| Server Lodge S.A. | AS263713 | 254 |
| Security First Bank | AS14439 | 254 |
| ANXeBusiness Corp. | AS19554 | 254 |
| West IP Communications | AS32880 | 254 |
| SAPNS2 | AS395385 | 236 |
| Lrm-Com, Inc. | AS54806 | 188 |
| Level 3 Communications, Inc. | AS3356 | 126 |
| Roya Hosting LLC | AS54334 | 126 |
| State of Wyoming Department A&I | AS14977 | 126 |
| SHAMROCK FOODS COMPANY | AS32056 | 126 |
| FIBERNET Corp. | AS5048 | 126 |
| Reserved AS | AS393459 | 30 |