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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) | 227.5M | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,525 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,309 |
| 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.
32,245 autonomous systems registered to United States. Click an AS for detail.
| 73M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,898 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,000 |
| AS701US | UUNET - Verizon Business | 43.6M | 991 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| 768 |
| — |
| 3 |
| AS54617US | MGHPCC-AS - Massachusetts Green High Performance Computing Center, Inc | 768 | 1 | 4 |
| AS19771US | EMERGE-AS1 - Emerge Technologies LLC. | 768 | — | 3 |
| AS26086US | BESTBUY-2 - Best Buy Co., Inc. | 768 | — | 3 |
| AS396145US | EXACTSCIENCES - Exact Sciences Corporation | 768 | — | 3 |
| AS23284US | COMPL-AS - Complete Genomics Inc. | 768 | — | 3 |
| AS19161US | APOG-UNCC-NORTH - Apogee Telecom Inc. | 768 | — | 2 |
| AS26976US | LIZ-CLAIBORNE-INC - Kate Spade Holdings LLC | 768 | — | 3 |
| AS33642US | NLETS - Nlets | 768 | — | 3 |
| AS54334US | SWIFTNODE-LLC - Swiftnode LLC | 768 | 3 | 6 |
| AS12259US | EBOCOM - EBOCOM LLC | 768 | 3 | 6 |
| AS46561US | STEELSCAPE - STEELSCAPE, LLC | 768 | — | 3 |
| AS40457US | NASCAR-ASN - NASCAR Holdings, LLC | 768 | — | 3 |
| AS10494US | AAI - Rodney Grimes, Sole Proprietorship | 768 | 4.1K | 3 |
| AS398071US | ACSC1001 - Automobile Club of Southern California | 768 | — | 3 |
| AS12131US | VC-AS-02 - Vertical Computers | 768 | 131.1K | 5 |
| AS63397US | WILLETT - Willett Advisors LLC | 768 | — | 3 |
| AS401233US | ALLIANCE-BROADBAND - Alliance Broadband | 768 | — | 2 |
| AS21959US | RMI-NETWORK-ATLANTA - Railcar Management Inc | 768 | — | 3 |
| AS20408US | NTTA - North Texas Tollway Authority | 768 | — | 3 |
| AS396344US | AURORA-PUBLIC-SCHOOLS-ASN - Aurora Public Schools | 768 | — | 3 |
| AS46504US | IDIT - Bonds.com, LLC | 768 | — | 3 |
| AS53840US | AS-CCI1 - CENTRAL COAST INTERNET | 768 | — | 3 |
| AS16657US | CROWNCASTLE-AS16657 - Crown Castle Fiber LLC | 768 | — | 3 |
| AS60527US | XSOLLA-AS Xsolla (USA), Inc | 768 | — | 3 |
| AS54022US | KMTEL-NET - K & M Telephone Company, Inc | 768 | — | 2 |
| AS26476US | CYBERU - CyberU, Inc. | 768 | — | 3 |
| AS23079US | ARVEST-AS1 - Arvest Bank Operations | 768 | — | 3 |
| AS53596US | CBOE - Cboe | 768 | — | 3 |
| AS394448US | DXFEED - Devexperts Inc | 768 | — | 3 |
| AS64243US | MPTC - Moraine Park Technical College | 768 | — | 3 |
| AS393962US | BLC-ASN-01 - Baillie Lumber Co., L.P. | 768 | — | 3 |
| AS402665US | SLA - SLA | 768 | 5 | 8 |
| AS210779US | BZL BREEZLE LLC | 768 | 4 | 7 |
| AS400289US | AS-MFWIRELESS - MFWireless | 768 | 65.5K | 4 |
| AS395558US | GSCOMPUTING - Garden State Computing LLC | 768 | 65.5K | 4 |
| AS397056US | AGWORKS - AgWorks, LLC | 768 | — | 3 |
| AS39966US | GBPHBUMC - General Board of Pensions and Health Benefits | 768 | — | 3 |
| AS1401US | DBI-CMH1 - DSW Information Technology LLC. | 768 | — | 2 |
| AS19536US | DIRECTV-SDWAN-DXC - DIRECTV, LLC | 768 | — | 3 |
| AS63314US | MSFT - Microsoft Corporation | 768 | — | 2 |
| AS33636US | WOFFORD-COLLEGE - Wofford College | 768 | — | 3 |
| AS398434US | INTERNET-314 - Internet 3.14 | 768 | — | 3 |
| AS398092US | GRAND-TRAVERSE-BAND - Grand Traverse Band of Ottawa and Chippewa Indians | 768 | — | 2 |
| AS26151US | ARTHREXINC - Arthrex Inc. | 768 | — | 3 |
| AS63454US | SHM-AS-63454 - Summit Health Management, LLC | 768 | — | 3 |
| AS397809US | SDC-ASHBURN-EQX - Huron Consulting Group, Inc. | 768 | — | 3 |