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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 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. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| FUTURIS - Futuris Networks Inc. |
| — |
| — |
| 0 |
| AS6090US | TIA-AS - Techmatics Informaton Alliance | — | — | 0 |
| AS6100US | CENTURYLINK-LEGACY-FUSEPOINT-RESERVED-IPADMIN - CenturyLink Communications, LLC | — | — | 0 |
| AS6159US | TWAVE - Greer Educational Resources, Inc. | — | — | 0 |
| AS6207US | BUNNY-COMMUNICATIONS - Bunny Communications | — | — | 0 |
| AS6244US | SWIEC - Swieca Holdings, LLC | — | — | 0 |
| AS6251US | PSNET - UCLA Physical Sciences Division | — | — | 0 |
| AS6257US | NOVALINK-GW - Novalink USA | — | — | 0 |
| AS6265US | SIVENSA - Sivensa Corp. | — | — | 0 |
| AS6281US | CMSA - CMS Automation, Inc. | — | — | 0 |
| AS6284US | METRONET - MetroNet Internet Services | — | — | 0 |
| AS6298US | ASN-CXA-PH-6298-CBS - Cox Communications Inc. | — | — | 0 |
| AS6308US | ALASCOM-MIS - AT&T ALASCOM | — | — | 0 |
| AS6345US | ZIPNET-AS - ZipCall Internet Services | — | — | 0 |
| AS6350US | VRIS-6350 - Verizon Business | — | — | 0 |
| AS6353US | NETZONE - Netzone, L.L.C. | — | — | 0 |
| AS6376US | BRODER207 - Broderbund Software | — | — | 0 |
| AS6439US | WEBMATE - Webmate Technologies, Inc. | — | — | 0 |
| AS6463US | ZAYO-CAN-6463 - Zayo Bandwidth | — | — | 0 |
| AS6506US | HOYT - David H. Hoyt & COS., Inc. | — | — | 0 |
| AS6563US | NECANET - NECAnet, Inc. | — | — | 0 |
| AS6573US | MPATH - MPATH Interactive | — | — | 0 |
| AS6574US | GLMX-ASN - Worldview Systems | — | — | 0 |
| AS6611US | MAGICCARPET - Magic Carpet/Roxy Systems, Inc. | — | — | 0 |
| AS6808US | GTT-ASIA-BACKBONE GTT Communications Inc. | — | — | 0 |
| AS6853US | ORANGE-BUSINESS-SERVICES-SOUTHEUR ORANGE BUSINESS SERVICES U.S. Inc. | — | — | 0 |
| AS6919US | IMPACT - Impact Telecom, LLC. | — | — | 0 |
| AS6928US | RAINNET - Tacoma-Pierce County Association | — | — | 0 |
| AS6937US | WWWPROD-AS - WWW Productions, Inc. | — | — | 0 |
| AS6946US | AMS-PAGING-VOIP - American Messaging Services L.L.C. | — | — | 0 |
| AS6993US | INTERNAP-SEA - Unitas Global | — | — | 0 |
| AS7009US | QDECK-MDR - Quarterdeck Corp. | — | — | 0 |
| AS7039US | OAKNET - OAKNET Consulting | — | — | 0 |
| AS7043US | FASEB-AS - FASEB | — | — | 0 |
| AS7121US | PALACEGROUP - The Palace Group, Inc. | — | — | 0 |
| AS7188US | ETCNET-AS - Eastern Telelogic Corporation | — | — | 0 |
| AS7290US | SBIS-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS7295US | NETWORKAMERICA - Network America Systems, Inc. | — | — | 0 |
| AS7337US | SNIPEMAIL - Southern NJ Internet Providers (SNIP) | — | — | 0 |
| AS7410US | NUSKIN - Nu Skin International, Inc. | — | — | 0 |
| AS7421US | COGENT-7421 - Cogent Communications, LLC | — | — | 0 |
| AS7730US | NETLAN - NETLAN Inc. | — | — | 0 |
| AS7744US | WCD-AS - WCD Enterprises | — | — | 0 |
| AS7848US | RCN-AS2 - RCN | — | — | 0 |
| AS7854US | DSSVAUS - Virginia Department of Social Services | — | — | 0 |
| AS7858US | EXECUTELE - Executive Telecard, S.A. | — | — | 0 |
| AS7870US | WHY - The Why? Network | — | — | 0 |