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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS7072US | NN-RS00-RS06 - NAP.NET, LLC | — | — | 0 |
| AS7081US | CARIN-AS-BLOCK - ISI | — | — | 0 |
| AS10705US | NU01-WS-NC - NetUnlimited Inc. | — | — | 0 |
| AS10675US | VIET-MY - Viet-My | — | — | 0 |
| AS10483US | AKPERMFUND - Alaska Permanent Fund | — | — | 0 |
| AS13411US | W3D - W3D Trading Inc | — | — | 0 |
| AS10256US | GS-ASN - Akula Communications Corp. | — | — | 0 |
| AS10241US | OCI - Options & Choices, Inc. | — | — | 0 |
| AS8129US | CAIWIRELESS - CAI Wireless Systems, Inc. | — | — | 0 |
| AS8390US | TPN-AS GTT Communications Inc. | — | — | 0 |
| AS22859US | GOOGLE - Google LLC | — | — | 0 |
| AS22852US | PLESKLOGIN - PleskLogin Net | — | — | 0 |
| AS22053US | ARENAONE - Arena One, LLC | — | — | 0 |
| AS11344US | YOUTUBE - YouTube, LLC | — | — | 0 |
| AS20240US | VENTURAFOODS - VENTURA FOODS, LLC | — | — | 0 |
| AS20172US | VGRS-AC27 - VeriSign Global Registry Services | — | — | 0 |
| AS21988US | HENDRICK-AUTO-GROUP - Hendrick Automotive Group | — | — | 0 |
| AS20153US | ARGUSHEALTH - ARGUS HEALTH SYSTEMS | — | — | 0 |
| AS26834US | ROSE-WEB-SERVICES - Rose Web Services LLC | — | — | 0 |
| AS11853US | ASN-INTERNAP-BLK - Unitas Global | — | — | 0 |
| AS396471US | DECIX-HOU-AS - DE-CIX North America Inc. | — | — | 0 |
| AS207873US | LOOKINGCENTER HOSTING GALLERY LLC | — | — | 0 |
| AS206116US | GATE-AS-EU Gate Communications LLC | — | — | 0 |
| AS147025US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS201994US | AMETEK-LDC AMETEK Inc. | — | — | 0 |
| AS394674US | KAMINOT - Kaminot LLC | — | — | 0 |
| AS394639US | GOOGLE - Google LLC | — | — | 0 |
| AS394224US | PROGRESSIVEHEALTHSYSTEMS - Progressive Health Systems | — | — | 0 |
| AS212149US | Hammynet Hammy Web Services LLC | — | — | 0 |
| AS393884US | VL-135 - Zenlayer Inc | — | — | 0 |
| AS393812US | MDLAND-BGP-ASN - MDLand International | — | — | 0 |
| AS393694US | HUNT-COMPANIES - Hunt Companies Business Services | — | — | 0 |
| AS393757US | BPS-2 - Bass Pro, LLC. | — | — | 0 |
| AS396869US | NEBAT - National Exchange Bank and Trust | — | — | 0 |
| AS11846US | BROADVIEWNET - Windstream Communications LLC | — | — | 0 |
| AS11518US | ROBBINSMORTON - Robins & Morton, L.L.C. | — | — | 0 |
| AS394854US | TOST-ASN - Toast, Inc. | — | — | 0 |
| AS11108US | WELOCALIZE - Welocalize, Inc. | — | — | 0 |
| AS10994US | TWC-10994-NA - Charter Communications Inc | — | — | 0 |
| AS10831US | CENTURYLINK-QC-MOE-PORTLAND - CenturyLink Communications, LLC | — | — | 0 |
| AS10901US | TERABIT - TERABIT.NET | — | — | 0 |
| AS14053US | ASN-LWCL - Long Wharf Real Estate Partners LLC | — | — | 0 |
| AS13962US | AS-HISPEED-1 - RiverCity Internet Group, L.L.C. | — | — | 0 |
| AS13815US | TAI-ASN - Chieftain Capital Management Inc. | — | — | 0 |
| AS14219US | ENTRYWAN - ENTRYWAN LLC | — | — | 0 |
| AS13421US | SBCIS-ABLNTX - AT&T Enterprises, LLC | — | — | 0 |