A list of all United States ASNs including hosting providers, ISPs, and businesses with announced IPv4 and IPv6 prefixes.
| ASN | Type | IPv4 Routes | IPv6 Routes | Company |
|---|---|---|---|---|
| AS25996 | Government | 29 | 13 | FBI Criminal Justice Information Services |
| AS26134 | Other Business | 29 | 10 | VeriSign Infrastructure & Operations |
| AS21534 | Other Business | 29 | 8 | BroadSoft, Inc. |
| AS64236 | Hosting Provider | 29 | 8 | UnReal Servers, LLC |
| AS40564 | ISP & Mobile | 29 | 4 | VOCOM International Telecommunication, INC. |
| AS55106 | Hosting Provider | 29 | 4 | Datacate Inc. |
| AS3371 | ISP & Mobile | 29 | 3 | Verizon Business |
| AS398343 | Hosting Provider | 29 | 3 | Baxet Group Inc. |
| AS40091 | ISP & Mobile | 29 | 2 | WVVA.net Inc. |
| AS13692 | ISP & Mobile | 29 | 1 | Douglas FastNet |
| AS14742 | Other Business | 29 | 1 | Unitas Global |
| AS20222 | Other Business | 29 | 1 | Plant Telephone Company |
| AS210 | Education | 29 | 1 | Utah Education Network |
| AS26229 | Government | 29 | 1 | U.S. Securities & Exchange Commission |
| AS26269 | Other Business | 29 | 1 | Haefele Connect |
| AS31997 | Other Business | 29 | 1 | Check Point Software Technologies, Inc. |
| AS3807 | Education | 29 | 1 | University of Montana |
| AS398156 | Other Business | 29 | 1 | ACE Fiber |
| AS10367 | ISP & Mobile | 29 | 0 | Fibercast Corporation |
| AS10801 | Other Business | 29 | 0 | REGIONS FINANCIAL CORPORATION |
| AS116 | Other Business | 29 | 0 | Ericsson Inc. |
| AS1204 | Education | 29 | 0 | The State University of New York |
| AS13332 | Other Business | 29 | 0 | Hype Enterprises |
| AS14499 | Other Business | 29 | 0 | ALORICA INC |
| AS14554 | Other Business | 29 | 0 | FirstHop |
| AS16875 | Other Business | 29 | 0 | AON Corporation |
| AS19215 | Government | 29 | 0 | PES Energize |
| AS19605 | ISP & Mobile | 29 | 0 | 3 Rivers Telephone Cooperative, Inc. |
| AS200598 | Other Business | 29 | 0 | Lunarnaut, LLC |
| AS25876 | Government | 29 | 0 | Los Angeles Department of Water & Power |
| AS26410 | Other Business | 29 | 0 | Point To Point Access.Com |
| AS2923 | Other Business | 29 | 0 | TIAA-CREF |
| AS36514 | Government | 29 | 0 | Florida Legislature |
| AS393737 | Other Business | 29 | 0 | Cpuonsite |
| AS394432 | Other Business | 29 | 0 | PEG TECH INC |
| AS395139 | Other Business | 29 | 0 | NewYork-Presbyterian Hospital |
| AS397115 | Other Business | 29 | 0 | Electric Boat Corporation |
| AS397422 | Other Business | 29 | 0 | MINET |
| AS62579 | Other Business | 29 | 0 | VirtualShield LLC |
| AS63111 | Other Business | 29 | 0 | ACE INA HOLDINGS INC. |
| AS63483 | ISP & Mobile | 29 | 0 | Skynet |
| AS11049 | Hosting Provider | 28 | 24 | Oracle Corporation |
| AS3614 | Other Business | 28 | 15 | Dell, Inc. |
| AS13706 | Hosting Provider | 28 | 13 | CompleteWeb.Net LLC |
| AS13984 | Hosting Provider | 28 | 11 | SD Data Center |
| AS15626 | Other Business | 28 | 9 | GREEN FLOID LLC |
| AS53991 | Other Business | 28 | 9 | Acronis |
| AS11071 | ISP & Mobile | 28 | 7 | InfoWest |
| AS216475 | Hosting Provider | 28 | 6 | NKtelecom INC |
| AS394684 | ISP & Mobile | 28 | 6 | GOLD DATA USA INC |
| AS11403 | Hosting Provider | 28 | 4 | NYI |
| AS19156 | Other Business | 28 | 4 | Continental Divide Electric Cooperative, Inc |
| AS14860 | ISP & Mobile | 28 | 3 | SMARTCOM TELEPHONE, LLC |
| AS400427 | ISP & Mobile | 28 | 3 | IQ Fiber |
| AS398019 | Hosting Provider | 28 | 2 | Dynu Systems Incorporated |
| AS103 | Education | 28 | 1 | Northwestern University |
| AS12261 | ISP & Mobile | 28 | 1 | DTC Communications, Inc. |
| AS15081 | ISP & Mobile | 28 | 1 | Omni Fiber |
| AS20432 | ISP & Mobile | 28 | 1 | North East Fiber, LLC |
| AS23550 | ISP & Mobile | 28 | 1 | HUB Advanced Networks, LLC |
| AS26167 | Hosting Provider | 28 | 1 | Markley Boston LLC |
| AS297 | Government | 28 | 1 | National Aeronautics and Space Administration |
| AS398719 | Other Business | 28 | 1 | M-Pulse Fiber, LLC |
| AS4452 | Other Business | 28 | 1 | ZCORUM |
| AS11079 | ISP & Mobile | 28 | 0 | Zayo Bandwidth |
| AS11620 | ISP & Mobile | 28 | 0 | Succeed.Net |
| AS14398 | Other Business | 28 | 0 | Autodesk, Inc. |
| AS14671 | ISP & Mobile | 28 | 0 | FairPoint Communications |
| AS16617 | ISP & Mobile | 28 | 0 | CISP |
| AS16791 | Other Business | 28 | 0 | Digital Agent |
| AS2003 | Education | 28 | 0 | Electric Power Research Institute |
| AS21918 | ISP & Mobile | 28 | 0 | Metronet |
| AS26425 | Other Business | 28 | 0 | Exelon Corporation |
| AS26919 | ISP & Mobile | 28 | 0 | Giggle Fiber |
| AS27365 | Education | 28 | 0 | Cengage Learning, Inc. |
| AS29696 | Government | 28 | 0 | Carthage Water and Electric |
| AS29987 | Other Business | 28 | 0 | Sinfony6, LLC |
| AS394147 | Other Business | 28 | 0 | MAQUOKETA VALLEY ELECTRIC COOPERATIVE |
| AS394991 | ISP & Mobile | 28 | 0 | SWC TELESOLUTIONS, INC. |
| AS395201 | Hosting Provider | 28 | 0 | Allnodes Inc |
| AS401041 | Other Business | 28 | 0 | Axis Security |
| AS40459 | ISP & Mobile | 28 | 0 | Saddleback Communications |
| AS4454 | Other Business | 28 | 0 | State of Tennessee |
| AS4593 | Other Business | 28 | 0 | ABB Motors and Mechanical Inc. |
| AS46255 | Education | 28 | 0 | Charlotte-Mecklenburg Schools |
| AS46632 | ISP & Mobile | 28 | 0 | Southwest Arkansas Telephone Cooperative |
| AS53856 | Other Business | 28 | 0 | NJ IX |
| AS63440 | Other Business | 28 | 0 | TELNYX LLC |
| AS33668 | ISP & Mobile | 27 | 69 | Comcast Cable Communications, LLC |
| AS212336 | Hosting Provider | 27 | 20 | ByteVirt LLC |
| AS23028 | Other Business | 27 | 17 | Team Cymru Inc. |
| AS399275 | Other Business | 27 | 15 | Solid Systems LLC |
| AS137922 | Other Business | 27 | 13 | IBOSS Inc. |
| AS4229 | Hosting Provider | 27 | 10 | Zenlayer Inc |
| AS11955 | ISP & Mobile | 27 | 8 | Charter Communications Inc |
| AS54538 | Other Business | 27 | 7 | PALO ALTO NETWORKS |
| AS6315 | ISP & Mobile | 27 | 7 | XMission, L.C. |
| AS15305 | ISP & Mobile | 27 | 3 | Syringa Networks, LLC |
| AS398013 | ISP & Mobile | 27 | 3 | NGX Networks |
| AS13684 | Other Business | 27 | 2 | Medtronic, Incorporated |