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 |
|---|---|---|---|---|
| AS16509 | Hosting Provider | 15,568 | 5,696 | Amazon.com, Inc. |
| AS22773 | ISP & Mobile | 8,253 | 2,491 | Cox Communications Inc. |
| AS11492 | ISP & Mobile | 4,597 | 22 | CABLE ONE, INC. |
| AS174 | ISP & Mobile | 4,081 | 516 | Cogent Communications, LLC |
| AS7155 | ISP & Mobile | 3,990 | 4 | ViaSat,Inc. |
| AS396982 | Hosting Provider | 3,417 | 256 | Google LLC |
| AS36352 | Hosting Provider | 3,156 | 28 | HostPapa |
| AS749 | Government | 3,139 | 0 | United States Department of Defense (DoD) |
| AS7029 | ISP & Mobile | 2,727 | 328 | Windstream Communications LLC |
| AS30036 | ISP & Mobile | 2,554 | 1,243 | Mediacom Communications Corp |
| AS20115 | ISP & Mobile | 2,393 | 2,199 | Charter Communications LLC |
| AS13335 | Hosting Provider | 2,382 | 3,009 | Cloudflare, Inc. |
| AS31898 | Hosting Provider | 2,359 | 875 | Oracle Corporation |
| AS6079 | ISP & Mobile | 2,212 | 119 | RCN |
| AS16625 | Hosting Provider | 2,189 | 7 | Akamai Technologies, Inc. |
| AS6167 | ISP & Mobile | 2,164 | 1,653 | Verizon Business |
| AS7979 | Hosting Provider | 1,914 | 37 | Servers.com, Inc. |
| AS11776 | ISP & Mobile | 1,903 | 19 | Breezeline |
| AS14593 | ISP & Mobile | 1,751 | 883 | Space Exploration Technologies Corporation |
| AS11404 | ISP & Mobile | 1,731 | 24 | Wave Broadband |
| AS398781 | Hosting Provider | 1,696 | 0 | OCULUS NETWORKS INC |
| AS7459 | ISP & Mobile | 1,694 | 5 | Grande Communications Networks, LLC |
| AS21859 | Hosting Provider | 1,640 | 154 | Zenlayer Inc |
| AS20473 | Hosting Provider | 1,631 | 522 | The Constant Company, LLC |
| AS209 | ISP & Mobile | 1,624 | 32 | CenturyLink Communications, LLC |
| AS714 | Other Business | 1,523 | 434 | Apple Inc. |
| AS20057 | ISP & Mobile | 1,467 | 161 | AT&T Enterprises, LLC |
| AS19901 | ISP & Mobile | 1,463 | 24 | Brightspeed |
| AS5972 | Government | 1,440 | 0 | United States Department of Defense (DoD) |
| AS3257 | ISP & Mobile | 1,379 | 81 | GTT Communications Inc. |
| AS29802 | Hosting Provider | 1,377 | 159 | HIVELOCITY, Inc. |
| AS367 | Government | 1,366 | 38 | United States Department of Defense (DoD) |
| AS14618 | Hosting Provider | 1,352 | 565 | Amazon.com, Inc. |
| AS2914 | ISP & Mobile | 1,339 | 11 | NTT America, Inc. |
| AS3737 | ISP & Mobile | 1,255 | 155 | PenTeleData Inc. |
| AS8075 | Hosting Provider | 1,133 | 111 | Microsoft Corporation |
| AS3356 | ISP & Mobile | 1,090 | 134 | Level 3 Parent, LLC |
| AS15169 | Hosting Provider | 1,060 | 158 | Google LLC |
| AS5650 | ISP & Mobile | 1,000 | 7 | Frontier Communications of America, Inc. |
| AS701 | ISP & Mobile | 962 | 37 | Verizon Business |
| AS27064 | Government | 959 | 34 | United States Department of Defense (DoD) |
| AS56 | Government | 933 | 0 | United States Department of Defense (DoD) |
| AS19551 | Other Business | 882 | 712 | Incapsula Inc |
| AS14061 | Hosting Provider | 864 | 21 | DigitalOcean, LLC |
| AS1540 | Other Business | 853 | 30 | Headquarters, USAISC |
| AS30058 | Hosting Provider | 847 | 137 | FDCservers.net |
| AS5852 | Government | 840 | 4 | United States Department of Defense (DoD) |
| AS18779 | Hosting Provider | 808 | 17 | EGIHosting |
| AS46887 | Hosting Provider | 796 | 218 | Crown Castle Fiber LLC |
| AS8103 | Government | 796 | 22 | Florida Department of Management Services - Division of Telecommunications |
| AS13977 | ISP & Mobile | 781 | 8 | Fidium |
| AS8069 | Hosting Provider | 781 | 0 | Microsoft Corporation |
| AS396356 | Hosting Provider | 766 | 247 | Latitude.sh |
| AS12083 | ISP & Mobile | 741 | 2 | WideOpenWest Finance LLC |
| AS23473 | ISP & Mobile | 732 | 68 | PAVLOV MEDIA INC |
| AS10753 | ISP & Mobile | 730 | 17 | Level 3 Parent, LLC |
| AS2152 | ISP & Mobile | 720 | 20 | CENIC |
| AS13490 | ISP & Mobile | 718 | 1 | Buckeye Cablevision, Inc. |
| AS35986 | ISP & Mobile | 694 | 7 | Vyve Broadband |
| AS5065 | ISP & Mobile | 682 | 1 | Bunny Communications |
| AS62904 | Hosting Provider | 671 | 17 | Eonix Corporation |
| AS36692 | Other Business | 652 | 163 | Cisco OpenDNS, LLC |
| AS10796 | ISP & Mobile | 648 | 16 | Charter Communications Inc |
| AS3549 | ISP & Mobile | 627 | 29 | Level 3 Parent, LLC |
| AS7018 | ISP & Mobile | 621 | 15 | AT&T Enterprises, LLC |
| AS3561 | ISP & Mobile | 619 | 2 | CenturyLink Communications, LLC |
| AS40065 | Hosting Provider | 603 | 0 | CNSERVERS LLC |
| AS23089 | ISP & Mobile | 602 | 14 | Hotwire Communications |
| AS54113 | Hosting Provider | 595 | 1,212 | Fastly, Inc. |
| AS18186 | Other Business | 594 | 16 | Nebula Global LLC |
| AS154395 | Hosting Provider | 590 | 0 | Rackdog LLC |
| AS14638 | Other Business | 585 | 31 | Liberty Communications of Puerto Rico LLC |
| AS4181 | ISP & Mobile | 585 | 4 | TDS TELECOM |
| AS20001 | ISP & Mobile | 573 | 36 | Charter Communications Inc |
| AS13649 | Hosting Provider | 572 | 25 | Flexential Colorado Corp. |
| AS637 | Government | 546 | 0 | United States Department of Defense (DoD) |
| AS18747 | Hosting Provider | 542 | 23 | IFX Corporation |
| AS14615 | ISP & Mobile | 537 | 4 | Comporium, Inc |
| AS149513 | Other Business | 528 | 10 | Vertex Connectivity LLC |
| AS55256 | Other Business | 522 | 0 | Netskope Inc |
| AS22616 | Other Business | 513 | 46 | ZSCALER, INC. |
| AS27046 | Government | 511 | 121 | United States Department of Defense (DoD) |
| AS63199 | Hosting Provider | 509 | 26 | CDS Global Cloud Co., Ltd |
| AS39855 | Hosting Provider | 506 | 5 | Mod Mission Critical LLC |
| AS36183 | Hosting Provider | 495 | 1,647 | Akamai Technologies, Inc. |
| AS399077 | Other Business | 495 | 8 | Tcloudnet |
| AS979 | Other Business | 484 | 0 | NetLab Global |
| AS35908 | Other Business | 474 | 12 | Krypt Technologies |
| AS32098 | ISP & Mobile | 468 | 1,997 | Transtelco Inc |
| AS22646 | Other Business | 467 | 1 | Hargray Communications Group, Inc. |
| AS54103 | Hosting Provider | 458 | 7 | MOD Mission Critical, LLC |
| AS40676 | Hosting Provider | 454 | 113 | Psychz Networks |
| AS702 | ISP & Mobile | 445 | 22 | Verizon Business |
| AS33363 | ISP & Mobile | 436 | 61 | Charter Communications, Inc |
| AS21565 | Other Business | 426 | 3 | Horry Telephone Cooperative, Inc. |
| AS7287 | ISP & Mobile | 424 | 170 | AT&T Enterprises, LLC |
| AS13693 | ISP & Mobile | 419 | 16 | Vexus Fiber |
| AS19108 | ISP & Mobile | 414 | 24 | Optimum |
| AS647 | Government | 414 | 0 | United States Department of Defense (DoD) |
| AS46844 | Hosting Provider | 413 | 9 | Sharktech |