South San Francisco is a city in with 207471 residents. We counted 63632 IPs from Maxmind database. South San Francisco has 207471 per resident.
| ASN | ASN Id | Total IP |
| Peak 10 | AS19271 | 65534 |
| Reseau National de telecommunications pour la Technologie | AS2200 | 65534 |
| Comcast Cable Communications, LLC | AS7922 | 18556 |
| California State University, Office of the Chancellor | AS2152 | 10236 |
| Genentech, Inc. | AS10725 | 8190 |
| Telekenex Inc | AS32035 | 4604 |
| AT&T Services, Inc. | AS7018 | 4334 |
| Recol | AS11598 | 4094 |
| vanoppen.biz LLC | AS11404 | 3818 |
| Jo-Carroll Energy, Inc. (NFP) | AS53259 | 2046 |
| Regulus Group | AS13743 | 2046 |
| AT&T Labs, Inc. | AS25993 | 1786 |
| Sony Online Entertainment, LLC | AS13720 | 1022 |
| Sterling Communications, Inc. | AS11045 | 1022 |
| Voxel Dot Net, Inc. | AS29791 | 1022 |
| AT&T Services, Inc. | AS4466 | 1022 |
| Western Carriers Inc. | AS395210 | 1022 |
| Savvis | AS3561 | 1022 |
| Comcast Cable Communications, LLC | AS33491 | 1022 |
| Management Science Associates, Inc. | AS35962 | 764 |
| Sonic Telecom LLC | AS46375 | 636 |
| Consolidated Data Services | AS394059 | 510 |
| Port of San Diego | AS393822 | 254 |
| Topco Associates LLC | AS46481 | 254 |
| Fire2Wire | AS11191 | 254 |
| Advanced Systems Group | AS7003 | 254 |
| Sonoma County Office of Education | AS23369 | 254 |
| PRIMED MANAGEMENT CONSULTING INC | AS22880 | 254 |
| Cellco Partnership DBA Verizon Wireless | AS22394 | 254 |
| Netplex | AS6062 | 254 |
| TelePacific Communications | AS14265 | 254 |
| DDB Worldwide - IT Services | AS30002 | 254 |
| FiberComm LC | AS54578 | 254 |
| Google Inc. | AS15169 | 254 |
| EMC Corporation | AS12257 | 254 |
| Duke Energy Corporation | AS19113 | 254 |
| Unitedhealthcare | AS10879 | 254 |
| McGraw-Hill | AS4546 | 254 |
| Latisys-Chicago, LLC | AS17223 | 254 |
| Masergy Communications | AS19855 | 254 |
| OpenTV Inc | AS3850 | 254 |
| U. S. Department of Transportation | AS2576 | 254 |
| The Karcher Group Inc. | AS26306 | 254 |
| Actelion Pharmaceuticals US Inc. | AS35923 | 254 |
| Conxion Corporation | AS4544 | 254 |
| LocalNet Corporation | AS7321 | 254 |
| Qwest Communications Company, LLC | AS20940 | 254 |
| Navy Network Information Center (NNIC) | AS768 | 254 |
| Wiline Networks Inc. | AS33544 | 254 |
| Ann & Robert H. Lurie Children's Hospital of Chica | AS31770 | 254 |
| Providence College | AS40421 | 254 |
| Springs Hosting | AS14567 | 240 |
| Wave Broadband | AS22759 | 126 |
| Level 3 Communications, Inc. | AS3549 | 62 |
| Personal Network Computing | AS393508 | 6 |
| UTILITY TELEPHONE, INC. | AS23308 | 6 |
| City of Lathrop | AS30450 | 2 |
| Marriot Corporation | AS6319 | 0 |
| CyberXpress, Inc. | AS23357 | 0 |
| Yelp! Inc. | AS19001 | 0 |
| San Mateo Regional Network, Inc. | AS19355 | 0 |
| Data Pro of Sonoma and Vom.com | AS54968 | 0 |