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 | 14,937 | 5,627 | Amazon.com, Inc. |
| AS22773 | ISP & Mobile | 8,323 | 2,516 | Cox Communications Inc. |
| AS11492 | ISP & Mobile | 4,613 | 15 | CABLE ONE, INC. |
| AS7155 | ISP & Mobile | 3,882 | 4 | ViaSat,Inc. |
| AS174 | ISP & Mobile | 3,737 | 509 | Cogent Communications, LLC |
| AS396982 | Hosting Provider | 3,339 | 203 | Google LLC |
| AS749 | Government | 3,138 | 0 | United States Department of Defense (DoD) |
| AS36352 | Hosting Provider | 2,911 | 28 | HostPapa |
| AS7029 | ISP & Mobile | 2,692 | 277 | Windstream Communications LLC |
| AS30036 | ISP & Mobile | 2,606 | 1,229 | Mediacom Communications Corp |
| AS16625 | Hosting Provider | 2,459 | 7 | Akamai Technologies, Inc. |
| AS13335 | Hosting Provider | 2,438 | 3,074 | Cloudflare, Inc. |
| AS20115 | ISP & Mobile | 2,380 | 2,162 | Charter Communications LLC |
| AS31898 | Hosting Provider | 2,274 | 868 | Oracle Corporation |
| AS6167 | ISP & Mobile | 2,149 | 1,643 | Verizon Business |
| AS6079 | ISP & Mobile | 2,123 | 121 | RCN |
| AS11776 | ISP & Mobile | 1,900 | 19 | Breezeline |
| AS7979 | Hosting Provider | 1,868 | 35 | Servers.com, Inc. |
| AS11404 | ISP & Mobile | 1,729 | 24 | Wave Broadband |
| AS398781 | Hosting Provider | 1,707 | 0 | OCULUS NETWORKS INC |
| AS7459 | Other Business | 1,677 | 5 | Grande Communications Networks, LLC |
| AS20473 | Hosting Provider | 1,645 | 1,178 | The Constant Company, LLC |
| AS21859 | Hosting Provider | 1,621 | 145 | Zenlayer Inc |
| AS209 | ISP & Mobile | 1,619 | 32 | CenturyLink Communications, LLC |
| AS14593 | ISP & Mobile | 1,578 | 838 | Space Exploration Technologies Corporation |
| AS367 | Government | 1,502 | 47 | United States Department of Defense (DoD) |
| AS714 | Other Business | 1,495 | 449 | Apple Inc. |
| AS19901 | ISP & Mobile | 1,474 | 23 | Brightspeed |
| AS20057 | ISP & Mobile | 1,461 | 161 | AT&T Enterprises, LLC |
| AS5972 | Government | 1,438 | 0 | United States Department of Defense (DoD) |
| AS3257 | ISP & Mobile | 1,387 | 74 | GTT Communications Inc. |
| AS29802 | Hosting Provider | 1,374 | 160 | HIVELOCITY, Inc. |
| AS14618 | Hosting Provider | 1,304 | 505 | Amazon.com, Inc. |
| AS3737 | ISP & Mobile | 1,238 | 156 | PenTeleData Inc. |
| AS3356 | ISP & Mobile | 1,097 | 136 | Level 3 Parent, LLC |
| AS15169 | Hosting Provider | 1,060 | 159 | Google LLC |
| AS18779 | Hosting Provider | 1,003 | 16 | EGIHosting |
| AS2914 | ISP & Mobile | 996 | 11 | NTT America, Inc. |
| AS8075 | Hosting Provider | 988 | 110 | Microsoft Corporation |
| AS701 | ISP & Mobile | 983 | 37 | Verizon Business |
| AS27064 | Government | 962 | 35 | United States Department of Defense (DoD) |
| AS56 | Government | 917 | 0 | United States Department of Defense (DoD) |
| AS5650 | ISP & Mobile | 909 | 7 | Frontier Communications of America, Inc. |
| AS19551 | Other Business | 867 | 707 | Incapsula Inc |
| AS14061 | Hosting Provider | 856 | 21 | DigitalOcean, LLC |
| AS5852 | Government | 815 | 3 | United States Department of Defense (DoD) |
| AS8103 | Other Business | 802 | 22 | Florida Department of Management Services - Division of Telecommunications |
| AS30058 | Hosting Provider | 796 | 143 | FDCservers.net |
| AS13977 | ISP & Mobile | 795 | 8 | Fidium |
| AS46887 | Hosting Provider | 790 | 215 | Crown Castle Fiber LLC |
| AS8069 | Hosting Provider | 778 | 0 | Microsoft Corporation |
| AS23473 | ISP & Mobile | 718 | 68 | PAVLOV MEDIA INC |
| AS13490 | ISP & Mobile | 717 | 1 | Buckeye Cablevision, Inc. |
| AS35986 | ISP & Mobile | 706 | 7 | Vyve Broadband |
| AS12083 | ISP & Mobile | 703 | 2 | WideOpenWest Finance LLC |
| AS2152 | ISP & Mobile | 692 | 19 | CENIC |
| AS5065 | ISP & Mobile | 686 | 2 | Bunny Communications |
| AS7018 | ISP & Mobile | 675 | 15 | AT&T Enterprises, LLC |
| AS62904 | Hosting Provider | 668 | 17 | Eonix Corporation |
| AS10796 | ISP & Mobile | 654 | 16 | Charter Communications Inc |
| AS36692 | Other Business | 647 | 161 | Cisco OpenDNS, LLC |
| AS3549 | ISP & Mobile | 632 | 30 | Level 3 Parent, LLC |
| AS10753 | ISP & Mobile | 623 | 18 | Level 3 Parent, LLC |
| AS1540 | Other Business | 608 | 18 | Headquarters, USAISC |
| AS40065 | Hosting Provider | 602 | 0 | CNSERVERS LLC |
| AS23089 | ISP & Mobile | 599 | 13 | Hotwire Communications |
| AS399077 | Other Business | 599 | 12 | Tcloudnet |
| AS18186 | Other Business | 593 | 8 | Nebula Global LLC |
| AS14638 | Other Business | 591 | 31 | Liberty Communications of Puerto Rico LLC |
| AS154395 | Hosting Provider | 590 | 0 | Rackdog LLC |
| AS20001 | ISP & Mobile | 587 | 36 | Charter Communications Inc |
| AS4181 | ISP & Mobile | 585 | 3 | TDS TELECOM |
| AS13649 | Hosting Provider | 573 | 25 | Flexential Colorado Corp. |
| AS396356 | Hosting Provider | 563 | 244 | Latitude.sh |
| AS3561 | ISP & Mobile | 560 | 2 | CenturyLink Communications, LLC |
| AS54113 | Hosting Provider | 555 | 1,162 | Fastly, Inc. |
| AS637 | Government | 547 | 0 | United States Department of Defense (DoD) |
| AS18747 | Hosting Provider | 546 | 25 | IFX Corporation |
| AS14615 | ISP & Mobile | 537 | 4 | Comporium, Inc |
| AS149513 | Other Business | 528 | 5 | Vertex Connectivity LLC |
| AS55256 | Other Business | 510 | 0 | Netskope Inc |
| AS27046 | Government | 507 | 121 | United States Department of Defense (DoD) |
| AS39855 | Hosting Provider | 505 | 5 | Mod Mission Critical LLC |
| AS40676 | Hosting Provider | 501 | 115 | Psychz Networks |
| AS63199 | Hosting Provider | 499 | 26 | CDS Global Cloud Co., Ltd |
| AS36183 | Hosting Provider | 495 | 1,647 | Akamai Technologies, Inc. |
| AS22616 | Other Business | 475 | 42 | ZSCALER, INC. |
| AS35908 | Other Business | 475 | 12 | Krypt Technologies |
| AS22646 | Other Business | 473 | 1 | Hargray Communications Group, Inc. |
| AS54103 | Hosting Provider | 458 | 7 | MOD Mission Critical, LLC |
| AS979 | Other Business | 453 | 0 | NetLab Global |
| AS32098 | ISP & Mobile | 450 | 1,901 | Transtelco Inc |
| AS702 | ISP & Mobile | 445 | 22 | Verizon Business |
| AS21565 | Other Business | 443 | 3 | Horry Telephone Cooperative, Inc. |
| AS33363 | ISP & Mobile | 435 | 61 | Charter Communications, Inc |
| AS13693 | ISP & Mobile | 417 | 16 | Vexus Fiber |
| AS7287 | ISP & Mobile | 416 | 171 | AT&T Enterprises, LLC |
| AS46844 | Hosting Provider | 414 | 9 | Sharktech |
| AS19108 | ISP & Mobile | 413 | 24 | Optimum |
| AS11976 | Other Business | 411 | 0 | Fidelity Communication International Inc. |