Gaithersburg is a city in with 436156 residents. We counted 59933 IPs from Maxmind database. Gaithersburg has 436156 per resident.
| ASN | ASN Id | Total IP |
| University of Southern California | AS47 | 65534 |
| Broadnet AS | AS2116 | 65534 |
| Comcast Cable Communications, LLC | AS7922 | 49318 |
| Marriot Corporation | AS6319 | 49144 |
| National Bureau of Standards | AS49 | 42202 |
| Verizon Business | AS701 | 35968 |
| Hempfield School District | AS395176 | 32766 |
| Hughes Network Systems, Inc. | AS1358 | 16760 |
| University of Maryland | AS27 | 5878 |
| RCN | AS6079 | 4584 |
| National Institutes of Health | AS3527 | 4094 |
| Medical Computer Systems | AS11951 | 3832 |
| University of Maryland | AS10886 | 3578 |
| KAPS, Inc | AS6073 | 3064 |
| Earthlink, Inc. | AS6983 | 2298 |
| Digipress Inc | AS55161 | 2046 |
| NOAA | AS6629 | 2046 |
| National Library of Medicine | AS70 | 2046 |
| Verizon Business | AS11303 | 2046 |
| U.S. Dept. of Health and Human Services | AS26810 | 2044 |
| CBEYOND COMMUNICATIONS, LLC | AS17184 | 1912 |
| Management Science Associates, Inc. | AS35962 | 1582 |
| New England Research Institutes, Inc. | AS54482 | 1528 |
| Towson State University | AS394395 | 1276 |
| District of Maple ridge | AS54877 | 1274 |
| Ecommerce Group, Inc. - Charlotte | AS23505 | 1036 |
| Digital Insight Corporation | AS10333 | 1022 |
| IBM Business Recovery Service | AS12169 | 1022 |
| Brennan IT | AS9738 | 1022 |
| IP DataVault LLC | AS54251 | 1022 |
| L2Networks Corp. | AS40911 | 1022 |
| BroadSoft Adaption, Inc | AS21534 | 1022 |
| Akin, Gump, Strauss, Hauer, & Feld | AS19920 | 1022 |
| AT&T Data Communications Services | AS2386 | 764 |
| Recovery Point Systems Inc. | AS18540 | 764 |
| Allied Telecom Group, LLC | AS22925 | 764 |
| GetResponse | AS46469 | 516 |
| AT&T Mobility LLC | AS46164 | 510 |
| ProvDotNet LLC | AS3061 | 510 |
| Internap Network Services Corporation | AS10913 | 510 |
| Merkle Inc. | AS10440 | 510 |
| Sodexo, Inc. | AS25931 | 510 |
| Megapath Corporation | AS18566 | 510 |
| Global Telecom Brokers | AS30497 | 510 |
| Clear Wireless LLC | AS16586 | 510 |
| iCore Networks, Inc. | AS18851 | 510 |
| Mark G. Thomas Consulting | AS13352 | 510 |
| Library of Congress | AS2532 | 510 |
| University of La Verne | AS18795 | 510 |
| BroadSoft, Inc. | AS13813 | 510 |
| EDGAR Online, Inc. | AS11561 | 510 |
| Medimmune, LLC | AS4969 | 510 |
| Broadview Networks, Inc. | AS3385 | 510 |
| Comcast Cable Communications, LLC | AS33657 | 510 |
| Odessa Office Equipment | AS27577 | 510 |
| XO Communications | AS2828 | 510 |
| Westat, Inc. | AS29906 | 510 |
| AT&T Services, Inc. | AS7018 | 508 |
| The New London Hospital Association, Inc | AS25810 | 508 |
| Austin College | AS53575 | 508 |
| Level 3 Communications, Inc. | AS3356 | 316 |
| THE IRVINE COMPANY LLC | AS62620 | 254 |
| Airlines Reporting Corporation | AS36603 | 254 |
| UNITED REFRIGERATION INC | AS32949 | 254 |
| Richardson Cap Company | AS394774 | 254 |
| West Central Wireless | AS18618 | 254 |
| Divine Hosting Services | AS18586 | 254 |
| Virginia Farm Bureau Mutual Insurance Company | AS40323 | 254 |
| Dick's Sporting Goods Inc | AS40026 | 254 |
| Bravo Telecom | AS26932 | 254 |
| MAP Communications, Inc | AS53523 | 254 |
| Reserved AS | AS27010 | 254 |
| Cellco Partnership DBA Verizon Wireless | AS22394 | 254 |
| Sprint | AS3651 | 254 |
| Meridian Business Centers | AS15062 | 254 |
| sol.net Network Services | AS14536 | 254 |
| IBM | AS18703 | 254 |
| Danaher | AS18787 | 254 |
| GXS | AS6524 | 254 |
| AIRLINE TARIFF PUBLISHING CO | AS40565 | 254 |
| GBP Software, LLC | AS16668 | 254 |
| The World Bank Group | AS10497 | 254 |
| JDA Software Group Inc. | AS23332 | 254 |
| Guam Cablevision, LLC. | AS3605 | 254 |
| Allen-Bradley Company, Inc. | AS1341 | 254 |
| Comtech Mobile Datacom Corporation | AS16516 | 254 |
| Online Computer Library Center | AS4373 | 254 |
| Level 3 Communications, Inc. | AS3549 | 254 |
| 2N+1 | AS46324 | 254 |
| Qwest Communications Company, LLC | AS209 | 254 |
| Florida Supreme Court | AS22472 | 254 |
| NTT America, Inc. | AS2914 | 254 |
| Belcan Corporation | AS13496 | 254 |
| Panix Network Information Center | AS2033 | 254 |
| Mattel, Inc. | AS16728 | 254 |
| VT Aepco Inc. | AS46345 | 254 |
| Oarnet | AS600 | 254 |
| California Institute of the Arts | AS40722 | 254 |
| Latisys-Chicago, LLC | AS17223 | 254 |
| Motorola, Inc. | AS19773 | 254 |