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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 | 21,268 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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 | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,721 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,955 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,300 |
| — |
| — |
| 0 |
| AS214061US | SECURESHIELD SECURESHIELD SOLUTIONS LLC | — | — | 0 |
| AS214541US | ETCLOUDS ETCLOUDS LIMITED | — | — | 0 |
| AS214738US | WEHOST-AS WEHOST LLC | — | — | 0 |
| AS215188US | KALLSYMS Nicholas Gregory | — | — | 0 |
| AS215297US | XOR Bitriot LLC | — | — | 0 |
| AS215648US | MARCOCET Marco Cettina | — | — | 0 |
| AS215988US | AQUASYS Aquasys, LLC | — | — | 0 |
| AS393221US | ISC-F-MGM1 - Internet Systems Consortium, Inc. | — | — | 0 |
| AS393269US | AS-DAILYMOTIONUS - Dailymotion Inc | — | — | 0 |
| AS393295US | PLAYGILLEYS - Gilley's LLC | — | — | 0 |
| AS393356US | RALEIGH-ENV - ENV | — | — | 0 |
| AS393381US | ATHENA-BROADBAND - United Telephone Company | — | — | 0 |
| AS393484US | SHOREWAVES-HOUGHTON-01 - ShoreWaves Internet | — | — | 0 |
| AS393490US | BJN2-2 - Verizon Business | — | — | 0 |
| AS393497US | ASN-REFLEXION - Reflexion Networks, Inc. | — | — | 0 |
| AS393561US | PDVCORP-NET-1 - TeamConnect, LLC | — | — | 0 |
| AS393778US | GSIC-FL - Radial, Inc. | — | — | 0 |
| AS393793US | AS-C3CP - C-III Capital Partners LLC | — | — | 0 |
| AS393865US | SITUS - Situs Group LLC | — | — | 0 |
| AS393974US | GWNCT - Goodwill of Western and Northern Connecticut, Inc | — | — | 0 |
| AS394027US | BDS-NET - Synopsys Inc. | — | — | 0 |
| AS394042US | DYNAMARKMONITORING - Becklar Holdings, LLC | — | — | 0 |
| AS394079US | CITYEGFMN - East Grand Forks Water and Light | — | — | 0 |
| AS394097US | VXUSA-01 - VELOCIX SOLUTIONS USA INC. | — | — | 0 |
| AS394131US | SOFTWAY-US - Softway Solutions, Inc. | — | — | 0 |
| AS394184US | GSCMF-ASN - Gannett Supply Corp. - Melbourne FL | — | — | 0 |
| AS394198US | RSI-AS - Retail Solutions Inc | — | — | 0 |
| AS394279US | RAYBURN-ELECTRIC-01 - Rayburn Electric Cooperative | — | — | 0 |
| AS394317US | MFIS-TOP - Magellan Financial | — | — | 0 |
| AS394421US | XCEL-GO-ISP - Public Service Company of Colorado | — | — | 0 |
| AS394424US | US2-FINET - LIQUIDNET HOLDINGS INC. | — | — | 0 |
| AS394447US | TPS-NET - Trinity Preparatory School | — | — | 0 |
| AS394538US | PROSPORTSCLUB - PRO Sports Club | — | — | 0 |
| AS394556US | BEAVERTON-OFFICE - Aabaco Small Business, LLC | — | — | 0 |
| AS394705US | PAR-TECHNOLOGY-CORPORATION - PAR Technology Corporation | — | — | 0 |
| AS394706US | SIPMEETING - Sipmeeting, LLC. | — | — | 0 |
| AS394806US | GOVNET-IXP-FARM - JMF Solutions, Inc | — | — | 0 |
| AS394920US | FTV-IAD - FTV Business Services LLC | — | — | 0 |
| AS394965US | MLCC - Microland Computer Center | — | — | 0 |
| AS395013US | RALEIGH-CB - FMR LLC | — | — | 0 |
| AS395017US | GMI - GMI | — | — | 0 |
| AS395084US | COREPLUS - CorePLUS | — | — | 0 |
| AS395085US | EMF-ASN - Extra Mile Fiber, LLC | — | — | 0 |
| AS395119US | CDM-0 - LOWERMYBILLS, INC. | — | — | 0 |
| AS395249US | OLIVETNAZARENEUNIVERSITY - Olivet Nazarene University | — | — | 0 |
| AS395256US | WESTERN-HEALTH-ADVANTAGE - Western Health Advantage | — | — | 0 |