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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 | 23,661 |
| 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 |
| 236 |
| 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 | 4,490 |
| — |
| — |
| 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 |
| AS10679US | INET-SVCS-AS - InterNetwork Services | — | — | 0 |
| AS10683US | CRUZIO - Cruizo, Inc. | — | — | 0 |
| AS10720US | VRIS-10719-10720 - Verizon Business | — | — | 0 |
| AS10744US | IBT - Innovative Business Technology, Inc. | — | — | 0 |
| AS10752US | SUPERHIGHWAY - SuperHighway.net, Inc. | — | — | 0 |
| AS10758US | INWAVE-AS - INWave Internet, Inc | — | — | 0 |
| AS10784US | TOTALITY - Verizon Business | — | — | 0 |
| AS10802US | KOPPELNET - KOPPEL STEEL | — | — | 0 |
| AS10811US | IENET - Internet Express Network | — | — | 0 |
| AS10863US | WAVEFRONT - WaveFront Communications, Inc. | — | — | 0 |
| AS10871US | NOAANWSERH - National Oceanic and Atmospheric Administration | — | — | 0 |
| AS10910US | INTERNAP-BLK - Unitas Global | — | — | 0 |
| AS10923US | MONTREAL-COLO - Vonage Holdings, Inc. | — | — | 0 |
| AS10927US | PCH-SD-NAP - Packet Clearing House, Inc. | — | — | 0 |
| AS10963US | PROTERRA-SC - PROTERRA, Inc. | — | — | 0 |
| AS10997US | INTDATA-AS - Intercontinental Exchange, Inc. | — | — | 0 |
| AS10999US | BAC-MLAMRS - Bank of America, National Association | — | — | 0 |
| AS11022US | ALABANZA-BALT - Alabanza, LLC | — | — | 0 |