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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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,721 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
| 68.3M |
| 366 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,106 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,574 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| — |
| 0 |
| AS396595US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS55126US | HPDF-JLAB - High Performance Data Facility | — | 1 | 1 |
| AS397758US | DATAROBOT-01 - DataRobot, Inc. | — | — | 0 |
| AS63482US | FNW-MIDDLEVILLE - FreedomNet | — | — | 0 |
| AS63161US | SWAROVSKI-NA - SWAROVSKI NORTH AMERICA LIMITED | — | — | 0 |
| AS63124US | IGNITIONONE-ASN - IgnitionOne, Inc. | — | — | 0 |
| AS397267US | MURATA-MEHQ - Murata Electronics North America, Inc. | — | — | 0 |
| AS397541US | FINRA-CAT - FINRA | — | — | 0 |
| AS397257US | CLOUD9-VOIPNETWORKS-01 - VoIP Networks | — | — | 0 |
| AS19333US | ACML-2 - AllianceBernstein L.P. | — | — | 0 |
| AS10648US | PACIFICBROK - Pacific Brokerage Services | — | — | 0 |
| AS10603US | TYPEHOUSE-GROUP - Typehouse Group | — | — | 0 |
| AS26491US | GEEKSTORAGE - GEEKSTORAGE.COM, LLC | — | 66.6K | 6 |
| AS11234US | DEF-ASN-001 - Drew Eckl & Farnham, LLP | — | — | 0 |
| AS11616US | PEAPOD - Peapod, Inc. | — | — | 0 |
| AS14716US | ASTREA-CCI-LAB - Lighthouse.net | — | — | 0 |
| AS402212US | NICKTRONICIT - NicktronicIT LLC | — | 1 | 1 |
| AS11111US | THOMSON-REUTERS - Thomson Reuters Holdings Inc | — | — | 0 |
| AS402537US | YMISO - YMISO | — | 16 | 1 |
| AS10637US | TROYSAT - Troy Systems | — | — | 0 |
| AS204091US | rivulet Rivulet Wireless Inc. | — | 80 | 5 |
| AS5073US | HPINC - HP Inc. | — | — | 0 |
| AS19296US | SUNGARDAS-19296 - BroadbandONE, LLC | — | — | 0 |
| AS19029US | NEWEDGENETS - Windstream Communications LLC | — | — | 0 |
| AS19018US | MEGAPATH7-US - GTT Americas, LLC | — | — | 0 |
| AS20072US | WEBSTER-BANK - Webster Bank, National Association | — | — | 0 |
| AS20185US | GEUS-CABLE-INTERNET - GEUS | — | — | 0 |
| AS19992US | CALOP-63-66-184-224 - Caloptima | — | — | 0 |
| AS14258US | ASTAC-ALASKA - Arctic Slope Telephone Association Cooperative, Inc. | — | — | 0 |
| AS396593US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS13425US | JUNO-DC-1 - Juno Online Services, Inc. | — | — | 0 |
| AS13507US | KMARTCORPORATION - Sears Holdings Corporation | — | — | 0 |
| AS13386US | SKYRIVER - Skyriver Communications, Inc. | — | — | 0 |
| AS397800US | AS-PRIMARY - ANVIL Systems Group, INC | — | 1 | 1 |
| AS14620US | ITALK - iTalk Global Communications, Inc. | — | — | 0 |
| AS12117US | WCN-OMNI-BLKS - west central wireless | — | — | 0 |
| AS12016US | SDNBROS - SDNBROS LLC | — | — | 0 |
| AS54344US | NEXTRAQ-LLC - NexTraq, LLC | — | 1 | 1 |
| AS14320US | MEREDITHCORP - Meredith Corp. | — | — | 0 |
| AS14517US | REACHONE - Rainier Connect | — | — | 0 |
| AS12000US | FMR-AS4 - FMR LLC | — | — | 0 |
| AS214763US | Akshay-Revankar Akshay Revankar | — | 1 | 1 |
| AS11890US | IVANET-LA - iBasis, Inc. | — | — | 0 |
| AS10669US | JOBTRAK-AS - Jobtrak Corp. | — | — | 0 |
| AS10853US | ANDERSENCORP - Andersen Corporation | — | — | 0 |
| AS10782US | HPINC - HP Inc. | — | — | 0 |