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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 | 25,285 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,310 |
| 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.
32,244 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 | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,356 |
| 1K |
| — |
| 1 |
| AS6450US | PIXNET-AS - Providers Internet Exchange | 1K | — | 3 |
| AS25740US | POINT72 - Point72 Asset Management, LP | 1K | — | 4 |
| AS6596US | ASN-BUNGI - Bungi Communications | 1K | 65.5K | 5 |
| AS18478US | NATAL-MED - Mednax Services, Inc. | 1K | — | 4 |
| AS401798US | GSCCCA-NET - GSCCCA | 1K | — | 3 |
| AS35955US | RCLLTD - Royal Caribbean Cruises Ltd. | 1K | — | 4 |
| AS6456US | ALTOPIA - Altopia Corporation | 1K | 1 | 2 |
| AS399949US | AS-CYLOGIC - CYLOGIC INC | 1K | — | 1 |
| AS40370US | BCDTRAVELINET1 - BCD Travel | 1K | — | 1 |
| AS401086US | ODY-ASN - Odyssey Logistics & Technology Corporation | 1K | — | 1 |
| AS26579US | WALMART-DR - Wal-Mart Stores, Inc. | 1K | — | 3 |
| AS400104US | TERAEX - Tcloudnet | 1K | — | 2 |
| AS18606US | AS-METER-1 - Meter Inc. | 1K | — | 3 |
| AS44071US | ACS_AS Advanced Communications Solutions LLC | 1K | — | 4 |
| AS62500US | ENL - Edge Networks LLC | 1K | — | 1 |
| AS210781US | BRAINPS-AS Brain PEACE Science Foundation, Inc. | 1K | — | 3 |
| AS40013US | CARDINAL-LOGISTICS-MANAGEMENT-CORPORATION - Cardinal Logistics Management Corporation | 1K | — | 1 |
| AS399249US | DC-ASN-01 - Alabama One Credit Union | 1K | — | 3 |
| AS36550US | MA-MORTENSON-COMPANY - M. A. Mortenson Company | 1K | — | 3 |
| AS36428US | CYBERTIME-NETWORK-COMMUNICATIONS - Cybertime Network Communications | 1K | — | 4 |
| AS46292US | MOJAVEWIFI-COM-CA-1 - Mojavewifi.com LLC | 1K | 65.5K | 5 |
| AS36163US | HILLCO-LTD - HILLCO, LTD | 1K | — | 1 |
| AS11898US | TRTS - TRUNO Retail Technology Solutions | 1K | — | 4 |
| AS395382US | CFN-AS - COMMONWEALTH EQUITY SERVICES, INC. | 1K | — | 4 |
| AS40346US | ACADIAN-AMBULANCE-SERVICE - Acadian Ambulance Service, Inc. | 1K | — | 4 |
| AS401801US | ILSOS - Illinois Secretary of State | 1K | — | 1 |
| AS53527US | COUNTY-OF-LOS-ANGELES-SHERIFFS-DEPARTMENT - Los Angeles Sheriff's Department | 1K | — | 4 |
| AS394167US | DALLASISD - Dallas Independent School District | 1K | — | 2 |
| AS13378US | QINGYE-CLOUD - Qingye Cloud | 1K | 1 | 4 |
| AS31784US | BAINBRIDGE-1 - City of Bainbridge | 1K | 65.5K | 2 |
| AS398981US | FSCJ - FSCJ | 1K | — | 4 |
| AS1734US | ROP-COCA-AS01 - Contra Costa County Regional Occupation Program / Richmond | 1K | 1 | 4 |
| AS22846US | DTVLA - DIRECTV Latin America, LLC | 1K | — | 4 |
| AS54911US | SUPERNET-1 - SMR Communications Inc. | 1K | — | 4 |
| AS18538US | WCPSS-BOE - Wake County Public School System | 1K | — | 1 |
| AS1823US | HANNAH-MOTOR - Hannah Motor Company | 1K | — | 4 |
| AS400107US | THE-COLONY-HOA - Homeowners Association for the Colony at White Pine Canyon, + | 1K | — | 4 |
| AS1439US | SBISD - Spring Branch Independent School District | 1K | — | 1 |
| AS16838US | VERISIGN-CORP - VeriSign Infrastructure & Operations | 1K | — | 4 |
| AS63209US | KN-CLT-ASN - KODIAK NETWORKS, INC. | 1K | — | 4 |
| AS19934US | UBER-FREIGHT - Uber Freight US LLC | 1K | — | 4 |
| AS54271US | MECHANICS - Mechanics Bank | 1K | — | 3 |
| AS19904US | COL - City of Longview | 1K | — | 4 |
| AS394545US | WRIKE-AS - Wrike, Inc. | 1K | — | 4 |
| AS26192US | IMPAC-FUNDING - Impac Funding Corporation | 1K | — | 4 |
| AS15188US | K12ITC - Menlo, Inc. | 1K | — | 4 |