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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,270 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,323 |
| 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.
32,193 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,009 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,230 |
| — |
| — |
| 0 |
| AS27010US | MQNET - MoeQing | — | — | 0 |
| AS27042US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27052US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27057US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27096US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27103US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27108US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27113US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27116US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27126US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27127US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | — | — | 0 |
| AS27165US | WLW-AS - Wavelength Wireless, LLC | — | — | 0 |
| AS27209US | AS27209 - JAB Wireless, INC. | — | — | 0 |
| AS27327US | INSINC - Dowco Computer Systems Ltd. | — | — | 0 |
| AS27410US | BSWA - Baca, Stein, White & Associates, Inc. | — | — | 0 |
| AS27428US | QUADGR-STLOUIS - Quad/Graphics Inc. | — | — | 0 |
| AS27484US | CHARTER-27484-NA - Charter Communications LLC | — | — | 0 |
| AS27513US | ICI-DAL - Incomm | — | — | 0 |
| AS27522US | ATT-MOBILITY-LLC-AS27522 - AT&T Enterprises, LLC | — | — | 0 |
| AS27587US | HEALTHTRONICS-01 - HealthTronics | — | — | 0 |
| AS29834US | USTREAM - IBM | — | — | 0 |
| AS29856US | DFTC-ASN - Dragonfly Financial Technologies Corp. | — | — | 0 |
| AS29950US | ICI-TPA - Incomm | — | — | 0 |
| AS29980US | NEWWAVECOMM - New Wave Communications | — | — | 0 |
| AS30026US | WWD-INTERNET - Woodward, Inc. | — | — | 0 |
| AS30032US | GENESIS-TECHNOLOGY - Genesis Wireless | — | — | 0 |
| AS30164US | GPC-USA-1 - Great Plains Communications LLC | — | — | 0 |
| AS30194US | VOX-MEDIA - Vox Media, Inc. | — | — | 0 |
| AS30210US | GOLDSMITH-AS1 - Goldsmith Solutions | — | — | 0 |
| AS30234US | AMERICANPROSERVERS - WebHostPlus Inc | — | — | 0 |
| AS30249US | APLUSFCU - A+ Federal Credit Union | — | — | 0 |
| AS30275US | CHARTER-30275-NA - Charter Communications LLC | — | — | 0 |
| AS30296US | YCMLLC - York Capital Management, LLC | — | — | 0 |
| AS30357US | WRIGLEYUSA - Wm. Wrigley Jr. CompaNY | — | — | 0 |
| AS30490US | ETHRN - Ethr.Net LLC | — | — | 0 |
| AS30544US | PROPEL-CUSTO - Propel Labs, LLC | — | — | 0 |
| AS30588US | COOSADA-AL-911 - Coosada 911 Communications District | — | — | 0 |
| AS30616US | NEEDCO - Needham & Company, LLC | — | — | 0 |
| AS30658US | FAEGREBD - Faegre Baker Daniels LLP | — | — | 0 |
| AS31833US | FORTINET-31833 - Fortinet Inc. | — | — | 0 |
| AS31862US | COMPLEMAR-ROCHESTER - Complemar Partners, INC | — | — | 0 |
| AS31891US | BRIDGECOM-ASN - Windstream Communications LLC | — | — | 0 |
| AS31895US | BELWAVE-KTVT - BELWAVE COMMUNICATIONS, INC. | — | — | 0 |
| AS31933US | AFS-CLEV - Zayo Bandwidth | — | — | 0 |
| AS31944US | AGFID-LLC - Agfid LLC | — | — | 0 |
| AS31956US | ACL-418-31956 - Akuna Capital LLC | — | — | 0 |