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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 68.2M |
| 345 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,107 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,573 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| 256 |
| 1 |
| AS1001US | ACI - Academy City Internet LLC | — | 1 | 1 |
| AS19744US | EDUCATION-DEVELOPMENT-CENTER - Education Development Center Inc. | — | — | 0 |
| AS198802US | MAYBE Jessica Meinecke | — | 1 | 1 |
| AS19144US | UPMC-SUSQ - UPMC | — | — | 0 |
| AS213832US | LAYERSENTRY-AS LayerSentry LLC | — | 524.3K | 1 |
| AS19227US | OK-INTERNET - Terra World, Inc. | — | — | 0 |
| AS30476US | T2-CT-SHN - Charles Schwab & Co., Inc. | — | — | 0 |
| AS211387US | CXBnet Caleb Xavier Berger | — | 257 | 2 |
| AS32421US | BLCC - Level 3 Parent, LLC | — | — | 0 |
| AS22503US | METHOD-01 - Method Security Inc | — | 128 | 2 |
| AS30420US | YCM - YORK CAPITAL MANAGEMENT (US) ADVISORS, L.P. | — | — | 0 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS32232US | IGLOBALNETWORKS - iGlobalNetworks.com, Inc. | — | — | 0 |
| AS55116US | DOMINIK-DOBROWOLSKI - dominet LLC | — | 2 | 2 |
| AS30510US | ATOS-PISCATAWAY - Atos IT Solutions and Services Inc | — | — | 0 |
| AS13956US | RGTC-1 - Richland-Grant Telephone Cooperative, Inc. | — | 256 | 1 |
| AS200556US | CADY-AS Ethan Cady | — | 259 | 4 |
| AS206493US | YUKI-SYSTEMS-AS Alexander Neustadter | — | 1 | 1 |
| AS26238US | OPTICALS - OPTICAL SOCIETY OF AMERICA | — | — | 0 |
| AS212996US | ZEROAV-CUST Zero Attack Vector LLC | — | 65.8K | 4 |
| AS30624US | CME - Chicago Mercantile Exchange | — | — | 0 |
| AS399624US | LECTRON - Lectron | — | 256 | 1 |
| AS63437US | ARBOREAL-STUDIOS-01 - Arboreal Studios Inc. | — | 1 | 1 |
| AS401009US | JSMSR-NETWORK - JSMSR Network | — | 320 | 2 |
| AS23365US | IFBYPHONE - Invoca, Inc. | — | — | 0 |
| AS401431US | BLUE-QUARTZ-0 - Blue Quartz | — | 256 | 1 |
| AS16806US | AVLNA-INTERNET - AVL North America, Inc. | — | — | 0 |
| AS399975US | NSWAT - NetSWAT LLC | — | 524.3K | 8 |
| AS14719US | MICROSOFT-CORP-BCENTRAL - Microsoft Corporation | — | — | 0 |
| AS11873US | USAID-1 - U.S. Agency for International Development | — | 1 | 1 |
| AS401767US | T4T-MAIN - T4T Labs | — | 1 | 1 |
| AS208812US | ONDRYA Ondrya LLC | — | 1 | 1 |
| AS17228US | ATT-CERFNET-BLOCK - AT&T Enterprises, LLC | — | — | 0 |
| AS60614US | OwO-NETWORK OwO Network, LLC | — | 16 | 1 |
| AS16631US | COGENT-16631 - Cogent Communications, LLC | — | — | 0 |
| AS200690US | YOURSUNNY-AS Junxiao Shi | — | 55 | 10 |
| AS396931US | HOSTROYALE-TECHNOLOGIES-02 - HostRoyale LLC | — | 524.3K | 1 |
| AS395648US | CARBONNETWORKSOLUTIONS - Carbon Network Solutions LLC | — | 256 | 1 |
| AS30266US | RF-SJC-DATACENTER - Rodan & Fields LLC | — | — | 0 |
| AS396555US | VRSN-AC50-340 - VeriSign Global Registry Services | — | 5 | 5 |
| AS30126US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS62661US | AS-PDCS - PLASMA DC SOLUTIONS LLC | — | 16 | 1 |
| AS29876US | VIRTUAL-TECHNOLGOIES-AND-SOLUTIONS - Virtual Technologies and Solutions LLC | — | — | 0 |
| AS400905US | KMF-GLOBAL - Keystone MetroFiber LLC | — | 1 | 1 |
| AS18469US | HP-POLY - HP Inc. | — | — | 0 |
| AS62925US | CRENET-ASN-01 - CRE NETWORK, LLC | — | 32 | 2 |