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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 | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 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 | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| — |
| — |
| 0 |
| AS21820US | V64U - V6 FOR YOU LLC | — | 1 | 1 |
| AS397800US | AS-PRIMARY - ANVIL Systems Group, INC | — | 1 | 1 |
| AS402695US | SPUZE - SPUZE | — | 256 | 1 |
| AS11021US | NVH-ASN - North Valley Hospital | — | 256 | 1 |
| AS32940US | EVOCATIVE3 - Evocative, Inc. | — | — | 0 |
| AS200790US | BYTEFIZZ BYTEFIZZ LLC | — | 512 | 2 |
| AS401659US | DX-FIBER - DOXX.NET CORPORATION | — | 1 | 1 |
| AS11161US | DIGITALVIRT - DigitalVirt | — | 1 | 1 |
| AS36262US | HASHTABLE-PREMIUM-TIER - HashTable, Inc. | — | 10 | 10 |
| AS33654US | CMCS - Comcast Cable Communications, LLC | — | 16 | 16 |
| AS214974US | ZEROTECH-AS ZEROTECH CLOUD LLC | — | 1 | 1 |
| AS151817US | ZAPPIEHOST-AS-AP - Zappie Host LLC | — | 65.5K | 2 |
| AS16446US | M2NGAGE2 - M2ngage Telecommunications II Corp. | — | — | 0 |
| AS27273US | DC37 - District Council 37 | — | — | 0 |
| AS399155US | SECURITYSERVICES - Vercara, LLC | — | 256 | 1 |
| AS153039US | PRONET-AS-AP - Protected Networks | — | 1 | 1 |
| AS51312US | SRSP-4-51312 - Aubrey Rose | — | 16 | 1 |
| AS14082US | GOES - Global Online Electronic Services | — | — | 0 |
| AS397958US | SUNOAKI-NET-PREMIUM - Sunoaki Network LLC | — | 2 | 2 |
| AS15287US | EASYVM-LLC - EasyVM, LLC | — | — | 0 |
| AS46386US | ZANA-AS-2 - Osir, Inc. | — | 32 | 1 |
| AS398325US | SALTANT-SOLUTIONS - Saltant Solutions LLC | — | 512 | 2 |
| AS402537US | YMISO - YMISO | — | 32 | 2 |
| AS14719US | MICROSOFT-CORP-BCENTRAL - Microsoft Corporation | — | — | 0 |
| AS201392US | Team-Inverse-LLC TEAM INVERSE LLC | — | 32 | 2 |
| AS14683US | WILSHIREASSOCIATESINC - Wilshire Associates Incorporated | — | — | 0 |
| AS402933US | VOSMET - Vosmet | — | 5.2M | 10 |
| AS11818US | BHN-11818-NA - Charter Communications, Inc | — | — | 0 |
| AS202467US | BISMANLAN-AS Nicholas Walz | — | 257 | 2 |
| AS197259US | KAOFISH-AS KAOFISH NETWORK LLC | — | 16 | 1 |
| AS199018US | ASXKRME Xkrme Network LLC | — | 134 | 8 |
| AS40846US | 3EX HOSTING BOCA RATON LLC - 3EX Hosting Boca Raton LLC | — | — | 0 |
| AS207649US | DNDX Datong Sun | — | 2 | 2 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS402664US | EHOCGL - Evergreen | — | 2.6M | 5 |
| AS36066US | BIZLAND-ALC - Newfold Digital, Inc. | — | — | 0 |
| AS400905US | KMF-GLOBAL - Keystone MetroFiber LLC | — | 1 | 1 |
| AS33664US | CMCS - Comcast Cable Communications, LLC | — | — | 0 |
| AS5887US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | 1 | 1 |
| AS33735US | CRANE-DOWNTOWN-BGP - CHARLES L CRANE AGENCY Company | — | — | 0 |
| AS402474US | LMESSER-LABS - Zachary | — | 256 | 1 |
| AS33357US | DS-NET - Teradyne, Inc. | — | — | 0 |
| AS394882US | JUPITERCLOUD - Jupiter Cloud LLC | — | 2 | 2 |
| AS33649US | SHENTEL - Shenandoah Cable Television LLC | — | — | 0 |
| AS205336US | DEEPSPACECOW-NET Ishmael Martin-Lacayo | — | 1 | 1 |
| AS14273US | ONLINE-RESOURCES - Online Resources Corporation | — | — | 0 |