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 | 15,366 | 5,666 | Amazon.com, Inc. |
| AS22773 | ISP & Mobile | 8,324 | 2,503 | Cox Communications Inc. |
| AS11492 | ISP & Mobile | 4,609 | 13 | CABLE ONE, INC. |
| AS174 | ISP & Mobile | 4,088 | 513 | Cogent Communications, LLC |
| AS7155 | ISP & Mobile | 3,883 | 4 | ViaSat,Inc. |
| AS396982 | Hosting Provider | 3,377 | 229 | Google LLC |
| AS749 | Government | 3,138 | 0 | United States Department of Defense (DoD) |
| AS36352 | Hosting Provider | 3,086 | 28 | HostPapa |
| AS7029 | ISP & Mobile | 2,710 | 323 | Windstream Communications LLC |
| AS30036 | ISP & Mobile | 2,549 | 1,235 | Mediacom Communications Corp |
| AS20115 | ISP & Mobile | 2,403 | 2,179 | Charter Communications LLC |
| AS13335 | Hosting Provider | 2,372 | 2,952 | Cloudflare, Inc. |
| AS31898 | Hosting Provider | 2,314 | 875 | Oracle Corporation |
| AS16625 | Hosting Provider | 2,312 | 7 | Akamai Technologies, Inc. |
| AS6167 | ISP & Mobile | 2,157 | 1,650 | Verizon Business |
| AS6079 | ISP & Mobile | 2,157 | 119 | RCN |
| AS11776 | ISP & Mobile | 1,903 | 19 | Breezeline |
| AS7979 | Hosting Provider | 1,893 | 36 | Servers.com, Inc. |
| AS11404 | ISP & Mobile | 1,728 | 24 | Wave Broadband |
| AS398781 | Hosting Provider | 1,691 | 0 | OCULUS NETWORKS INC |
| AS7459 | ISP & Mobile | 1,685 | 4 | Grande Communications Networks, LLC |
| AS20473 | Hosting Provider | 1,656 | 487 | The Constant Company, LLC |
| AS21859 | Hosting Provider | 1,637 | 148 | Zenlayer Inc |
| AS209 | ISP & Mobile | 1,619 | 32 | CenturyLink Communications, LLC |
| AS14593 | ISP & Mobile | 1,611 | 837 | Space Exploration Technologies Corporation |
| AS714 | Other Business | 1,508 | 441 | Apple Inc. |
| AS367 | Government | 1,470 | 44 | United States Department of Defense (DoD) |
| AS19901 | ISP & Mobile | 1,470 | 23 | Brightspeed |
| AS20057 | ISP & Mobile | 1,463 | 161 | AT&T Enterprises, LLC |
| AS5972 | Government | 1,438 | 0 | United States Department of Defense (DoD) |
| AS3257 | ISP & Mobile | 1,385 | 78 | GTT Communications Inc. |
| AS29802 | Hosting Provider | 1,355 | 158 | HIVELOCITY, Inc. |
| AS14618 | Hosting Provider | 1,327 | 546 | Amazon.com, Inc. |
| AS2914 | ISP & Mobile | 1,304 | 11 | NTT America, Inc. |
| AS3737 | ISP & Mobile | 1,248 | 158 | PenTeleData Inc. |
| AS8075 | Hosting Provider | 1,110 | 114 | Microsoft Corporation |
| AS3356 | ISP & Mobile | 1,095 | 135 | Level 3 Parent, LLC |
| AS15169 | Hosting Provider | 1,058 | 154 | Google LLC |
| AS27064 | Government | 966 | 34 | United States Department of Defense (DoD) |
| AS701 | ISP & Mobile | 964 | 37 | Verizon Business |
| AS5650 | ISP & Mobile | 944 | 7 | Frontier Communications of America, Inc. |
| AS56 | Government | 935 | 0 | United States Department of Defense (DoD) |
| AS18779 | Hosting Provider | 928 | 17 | EGIHosting |
| AS19551 | Other Business | 876 | 710 | Incapsula Inc |
| AS14061 | Hosting Provider | 862 | 21 | DigitalOcean, LLC |
| AS30058 | Hosting Provider | 847 | 134 | FDCservers.net |
| AS5852 | Government | 833 | 4 | United States Department of Defense (DoD) |
| AS46887 | Hosting Provider | 798 | 217 | Crown Castle Fiber LLC |
| AS8103 | Government | 796 | 22 | Florida Department of Management Services - Division of Telecommunications |
| AS8069 | Hosting Provider | 783 | 0 | Microsoft Corporation |
| AS13977 | ISP & Mobile | 780 | 8 | Fidium |
| AS396356 | Hosting Provider | 758 | 246 | Latitude.sh |
| AS23473 | ISP & Mobile | 725 | 68 | PAVLOV MEDIA INC |
| AS1540 | Other Business | 722 | 23 | Headquarters, USAISC |
| AS10753 | ISP & Mobile | 721 | 18 | Level 3 Parent, LLC |
| AS2152 | ISP & Mobile | 720 | 20 | CENIC |
| AS13490 | ISP & Mobile | 717 | 1 | Buckeye Cablevision, Inc. |
| AS35986 | ISP & Mobile | 706 | 7 | Vyve Broadband |
| AS12083 | ISP & Mobile | 702 | 2 | WideOpenWest Finance LLC |
| AS5065 | ISP & Mobile | 685 | 2 | Bunny Communications |
| AS62904 | Hosting Provider | 669 | 17 | Eonix Corporation |
| AS36692 | Other Business | 652 | 163 | Cisco OpenDNS, LLC |
| AS10796 | ISP & Mobile | 649 | 16 | Charter Communications Inc |
| AS3549 | ISP & Mobile | 632 | 30 | Level 3 Parent, LLC |
| AS3561 | ISP & Mobile | 629 | 2 | CenturyLink Communications, LLC |
| AS7018 | ISP & Mobile | 622 | 15 | AT&T Enterprises, LLC |
| AS40065 | Hosting Provider | 603 | 0 | CNSERVERS LLC |
| AS23089 | ISP & Mobile | 601 | 14 | Hotwire Communications |
| AS154395 | Hosting Provider | 590 | 0 | Rackdog LLC |
| AS18186 | Other Business | 588 | 15 | Nebula Global LLC |
| AS54113 | Hosting Provider | 587 | 1,198 | Fastly, Inc. |
| 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 | 571 | 26 | Flexential Colorado Corp. |
| AS637 | Government | 549 | 0 | United States Department of Defense (DoD) |
| AS18747 | Hosting Provider | 544 | 23 | IFX Corporation |
| AS14615 | ISP & Mobile | 536 | 4 | Comporium, Inc |
| AS149513 | Other Business | 527 | 10 | Vertex Connectivity LLC |
| AS55256 | Other Business | 517 | 0 | Netskope Inc |
| AS27046 | Government | 511 | 119 | 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 |
| AS22616 | Other Business | 498 | 45 | ZSCALER, INC. |
| AS36183 | Hosting Provider | 493 | 1,647 | Akamai Technologies, Inc. |
| AS399077 | Other Business | 491 | 8 | Tcloudnet |
| AS35908 | Other Business | 475 | 12 | Krypt Technologies |
| AS32098 | ISP & Mobile | 468 | 1,957 | Transtelco Inc |
| AS40676 | Hosting Provider | 467 | 113 | Psychz Networks |
| AS22646 | Other Business | 462 | 1 | Hargray Communications Group, Inc. |
| AS979 | Other Business | 462 | 0 | NetLab Global |
| AS54103 | Hosting Provider | 458 | 7 | MOD Mission Critical, LLC |
| AS702 | ISP & Mobile | 445 | 22 | Verizon Business |
| AS33363 | ISP & Mobile | 435 | 61 | Charter Communications, Inc |
| AS21565 | Other Business | 422 | 3 | Horry Telephone Cooperative, Inc. |
| AS13693 | ISP & Mobile | 419 | 16 | Vexus Fiber |
| AS7287 | ISP & Mobile | 417 | 165 | AT&T Enterprises, LLC |
| AS19108 | ISP & Mobile | 414 | 24 | Optimum |
| AS46844 | Hosting Provider | 413 | 9 | Sharktech |
| AS54600 | Other Business | 409 | 1 | PEG TECH INC |