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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to United States over time.
The largest autonomous systems registered to United States by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS749US | DNIC-AS-00749 - United States Department of Defense (DoD) | 227.7M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) |
United States against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS20104US | GOTO-OPS-AS - Goto Group, Inc. | — | — | 0 |
| AS16651US | SOCKET-2 - Socket Holdings Corporation | — | — | 0 |
| AS7343US | VISA-INTERACTIVE - Visa Interactive | — | — | 0 |
| AS16702US | AKAMAI-AS - Akamai Technologies, Inc. | — | — | 0 |
| AS16474US | RESPONSYS-1 - Responsys Inc. | — | — | 0 |
| AS18906US | CONCORD-AS - Concord Management Ltd | — | — | 0 |
| AS18871US | AS18871 - Indiana Printing and Publishing Company, Inc. | — | — | 0 |
| AS18595US | FPC-ASN - Ogden News Publishing of Ohio, Inc | — | — | 0 |
| AS19199US | PANAMSAT-ATL - PanAmSat Corporation | — | — | 0 |
| AS4375US | KEY - KeyNet | — | — | 0 |
| AS4353US | WNET-AS - WorldNet Inc. | — | — | 0 |
| AS54699US | KWMINCUSA - KWM, INC. | — | — | 0 |
| AS6126US | CA-INC - Avago Technologies U.S. Inc. | — | — | 0 |
| AS6357US | DBTECH - DB Technology | — | — | 0 |
| AS53644US | OFI-DC - Invesco Group Services, Inc. | — | — | 0 |
| AS53580US | MARKETO - MARKETO, Inc. | — | — | 0 |
| AS47026US | DIANOIA - Dianoia LLC | — | — | 0 |
| AS53404US | CIVISTECHNOLOGIES-LLC - Civis Technologies, LLC | — | — | 0 |
| AS46529US | CORESITE-SPARE - CoreSite | — | — | 0 |
| AS46517US | SEATTLE-CITY-LIGHT - City of Seattle, Dept. of Admin. Services | — | — | 0 |
| AS6232US | WINS - Iowa Network Services (INS) | — | — | 0 |
| AS6013US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS54329US | SUMOFIBER-54329 - Sumofiber | — | — | 0 |
| AS54109US | WORKD-PROD - Workday, Inc. | — | — | 0 |
| AS53756US | CSTL-5-53756 - Clear Street | — | — | 0 |
| AS53982US | GILTGROUPE-AS - Hudson's Bay Company | — | — | 0 |
| AS40046US | EBCI3-40046 - Eastern Band of Cherokee Indians | — | — | 0 |
| AS40025US | SIGNATUREBANK - Signature Bank | — | — | 0 |
| AS36789US | PHILADELPHIA-CORPORATION-FOR-AGING - Philadelphia Corporation for Aging | — | — | 0 |
| AS7823US | DUPONT-ASN - DuPont | — | — | 0 |
| AS7327US | 7THLEVEL - 7th Level, Inc. | — | — | 0 |
| AS7077US | NN-RS00-RS06 - NAP.NET, LLC | — | — | 0 |
| AS3830US | COGENT-3830 - Cogent Communications, LLC | — | — | 0 |
| AS6448US | QAD - QAD, Inc. | — | — | 0 |
| AS6430US | DIGITALINK - Digital Ink | — | — | 0 |
| AS8384US | GTT Communications Inc. | — | — | 0 |
| AS10240US | MOTLEYFOOL - The Motley Fool, LLC. | — | — | 0 |
| AS7881US | IMGIS - IMGIS | — | — | 0 |
| AS396778US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS7891US | BELLSOUTH-NET-BLK2 - AT&T Enterprises, LLC | — | — | 0 |
| AS6442US | GLOBALLINK-ASN - Global Link Information Network | — | — | 0 |
| AS26636US | QUICKPACKET-3 - QuickPacket, LLC | — | 4.1K | 1 |
| AS5677US | PBI-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS5335US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5357US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS6273US | COGENT-6273 - Cogent Communications, LLC | — | — | 0 |