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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,157 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,247 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 400 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,712 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,959 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,302 |
| — |
| — |
| 0 |
| AS7282US | DXNET-AS - DXNET | — | — | 0 |
| AS7369US | VERO-NETWORKS-AS7369 - Vero Broadband | — | — | 0 |
| AS7370US | CDSINC - Commercial Data Systems | — | — | 0 |
| AS7379US | VIEWCALL - Viewcall America | — | — | 0 |
| AS7395US | INTEGRATELECOM - Allstream Business US, LLC | — | — | 0 |
| AS7397US | DIGILINK-AS-MDR - Digilink | — | — | 0 |
| AS7404US | ACS - Ameritech Cellular | — | — | 0 |
| AS7447US | ONLINEINTERACTIVE - Online Interactive | — | — | 0 |
| AS7745US | BIGSKY-AS - Big Sky Net | — | — | 0 |
| AS7760US | STAC - Stac, Inc. | — | — | 0 |
| AS7778US | PARACEL - Paracel Online Systems | — | — | 0 |
| AS7785US | ALEXUS - Alexus | — | — | 0 |
| AS7804US | SOFTWOOD - Softwood | — | — | 0 |
| AS7822US | AVICENNA - Avicenna Systems Corporation | — | — | 0 |
| AS7834US | L3HARRIS-TECHNOLOGIES - L3Harris Technologies, Inc. | — | — | 0 |
| AS7835US | ABRAXIS - Abraxis Networks, Inc. | — | — | 0 |
| AS7875US | ENTECH - Entrepreneurial Technologies, Inc. | — | — | 0 |
| AS7877US | AGENCY-COM-NY - Online Magic | — | — | 0 |
| AS7904US | NISI - National Internet Source, Inc. | — | — | 0 |
| AS7923US | UPLANET-AS - Unwired Planet | — | — | 0 |
| AS7947US | RADIO - Susquehanna Radio Corporation | — | — | 0 |
| AS8016US | VRIS-8016 - Verizon Business | — | — | 0 |
| AS8042US | WCS - Wickberg Consulting Services | — | — | 0 |
| AS8109US | COGENT-8106 - Cogent Communications, LLC | — | — | 0 |
| AS8113US | VRIS-8112-8115 - Verizon Business | — | — | 0 |
| AS8124US | TUMBLEWEED - Tumbleweed Internet Hub | — | — | 0 |
| AS8138US | JADE - Jade Inc. | — | — | 0 |
| AS8179US | SFCU-1 - Stanford Federal Credit Union | — | — | 0 |
| AS8182US | DIGITALRIVER-DC3 - Digital River, Inc. | — | — | 0 |
| AS8184US | LAFFITEMORGAN - Laffite Morgan & Assoc | — | — | 0 |
| AS10253US | IENG - Internet Engineering Group | — | — | 0 |
| AS10328US | IKONUN - IKON/Universal Networks, Inc. | — | — | 0 |
| AS10387US | CHARIOTNET - cha!, LLC | — | — | 0 |
| AS10403US | DYNASTY - Dynasty Online, Inc | — | — | 0 |
| AS10513US | RCN-AS7 - RCN | — | — | 0 |
| AS10518US | WALLNET-AS - Wall Internet LLC | — | — | 0 |
| AS10521US | MARCOM - MarCom, Inc | — | — | 0 |
| AS10532US | RACKSPACE - Rackspace Hosting | — | — | 0 |
| AS10541US | PREDICTIVE - Predictive Systems Inc. | — | — | 0 |
| AS10550US | OTS-AS-10550 - University of Texas System | — | — | 0 |
| AS10556US | ATN-AS - American Telnet | — | — | 0 |
| AS10565US | SVCOLO-AS - Silicon Valley Colocation, Inc. | — | — | 0 |
| AS10602US | ROUTE-SERVER-IXP-PIT-MIAMI - PIT | — | — | 0 |
| AS10641US | TICKETMASTER-AS - TicketMaster Corp. | — | — | 0 |
| AS10646US | TVCN-AS - Television Communications Network | — | — | 0 |
| AS10665US | SKYNET - SkyNET Corporation | — | — | 0 |