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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 24,555 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,995 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,354 |
| — |
| 2 |
| AS23463US | LONEPINECAPITAL - Lone Pine Capital LLC | 512 | — | 2 |
| AS396883US | MTG-RHR-ASN-01 - Millennium Technology Group, Inc. | 512 | — | 2 |
| AS395409US | NEOCITIES - Neocities | 512 | 16 | 3 |
| AS398732US | DPCCOMMERCIAL - Deutscher Properties Corporation | 512 | — | 1 |
| AS26970US | DV-TRADING-LLC - DV TRADING, LLC | 512 | — | 2 |
| AS36551US | COMPASSION-INTL-GMC1 - Compassion International, Inc. | 512 | — | 2 |
| AS36575US | WCVB-TV - Hearst-Argyle Television, Inc. | 512 | — | 2 |
| AS401230US | STAPLES-EQUINIX-EAST - Staples, Inc | 512 | — | 2 |
| AS398419US | COLO-LOL - Tiny Tiny Computing | 512 | 4.1K | 3 |
| AS201445US | Zerval-Network Zerval Network LLC | 512 | 276 | 8 |
| AS6305US | AENT-AS - Alliance Entertainment | 512 | — | 2 |
| AS394805US | RELIAQUEST - ReliaQuest, LLC | 512 | — | 2 |
| AS398476US | TORC-ROBOTICS - TORC Robotics, Inc. | 512 | — | 2 |
| AS398908US | SMYTHNET - Smyth Technology Group, Incorporated | 512 | — | 1 |
| AS46870US | NJRNET-2009 - New Jersey Resources | 512 | — | 2 |
| AS399241US | OCEAN-BANK - Ocean Bank | 512 | — | 2 |
| AS22043US | STERIS - STERIS Corporation | 512 | — | 2 |
| AS16898US | LOG-NET - LOG-NET, INC. | 512 | — | 2 |
| AS17032US | QUALCOMM-QWBS-SD - Qualcomm, Inc. | 512 | — | 2 |
| AS54787US | MYRIAD-SSF-01 - Myriad Genetics, Inc. | 512 | — | 2 |
| AS46623US | FISHBACK - Fishback Financial Corporation | 512 | — | 2 |
| AS13394US | SCHUYLKILL-INTERMEDIATE-UNIT-29 - SCHUYLKILL INTERMEDIATE UNIT 29 | 512 | — | 1 |
| AS54492US | CAREFIRST-BCBS-01 - CareFirst Management Company, LLC | 512 | — | 1 |
| AS398705US | CENSYS-ARIN-02 - Censys, Inc. | 512 | 2 | 4 |
| AS400926US | KIWI-TELECOM-01 - KIWI TELECOM | 512 | 65.5K | 3 |
| AS396395US | ALLIANTINSURANCE - Alliant Insurance Services, Inc. | 512 | — | 2 |
| AS36209US | TGNA-WKYC - TEGNA Inc. | 512 | — | 2 |
| AS401700US | JOY-LABS-VENTURES - Joy Labs Ventures LLC | 512 | — | 1 |
| AS395430US | COO - City of Oakland | 512 | — | 2 |
| AS401617US | VIETTEL - Viettell | 512 | 8.2K | 4 |
| AS402174US | SHIELDITSM-01 - Shield ITSM, LLC | 512 | 2 | 4 |
| AS395061US | SUNMARK - Sunmark Credit Union | 512 | — | 2 |
| AS46766US | ICONIC-AS - Iconic Internet, LLC | 512 | 3 | 5 |
| AS3914US | KMHP-AS-ARIN - Keystone Mercy Health Plan | 512 | — | 2 |
| AS22156US | DANANET - Dana Consulting, Inc. | 512 | — | 1 |
| AS398485US | DFINITY-NET - DFINITY USA Research, LLC | 512 | 4.1K | 5 |
| AS32642US | NICMAN - NICMAN GROUP LLC | 512 | — | 2 |
| AS11741US | BENTONREA - BENTON REA POWERNET | 512 | — | 2 |
| AS10595US | MAUSWERKS - Mauswerks, LLC. | 512 | 4.1K | 3 |
| AS401191US | BSOSL-ASN-01 - Blue Star Operations Services LLC | 512 | — | 1 |
| AS18958US | SSI-AS-01 - THE SSI GROUP, LLC. | 512 | — | 2 |
| AS18729US | SHAWMUT - Shawmut Design & Construction | 512 | — | 2 |
| AS32481US | OSCEOLA - Osceola County | 512 | — | 2 |
| AS396538US | NORTHSITE-DATA - Northsite Data, LLC | 512 | — | 1 |
| AS393888US | SQUAR-12-AS-1 - SQUARETRADE, INC. | 512 | — | 2 |
| AS40785US | AS-OMNIVA-NJDC - Omniva LLC | 512 | 1 | 3 |