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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| — |
| — |
| 0 |
| AS7833US | EXTRANET-01 - Extra.Net | — | — | 0 |
| AS7886US | EMPIRICAL-AS - Empirical Media Corporation | — | — | 0 |
| AS7900US | HOOSIER - Hoosier Online Systems Corp. | — | — | 0 |
| AS7924US | ADVANCEDONLINE - Advanced Online Services Inc. | — | — | 0 |
| AS7945US | CYBERG8T - Cyberg8t Internet Services, Inc. | — | — | 0 |
| AS7976US | SEDONA-AS - Wolen Computer Services | — | — | 0 |
| AS7977US | EMCCORP - Dell, Inc. | — | — | 0 |
| AS8009US | AEGON-USA - Money Services, Inc. | — | — | 0 |
| AS8010US | DIGICON-CORP - Digicon Corporation | — | — | 0 |
| AS8073US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | — | — | 0 |
| AS8078US | I-2 - Information Interclear | — | — | 0 |
| AS8097US | OPENIX-RC - P Foundation | — | — | 0 |
| AS8101US | RTCI-AS - Research Triangle Consultants, Inc. | — | — | 0 |
| AS8115US | VRIS-8112-8115 - Verizon Business | — | — | 0 |
| AS8169US | ACCESSINDY - Ameritech Access Indiana | — | — | 0 |
| AS8174US | MHPCC-ASNET2 - Maui High Performance Computing Center | — | — | 0 |
| AS8185US | THAWEB - Terry Hines And Associates | — | — | 0 |
| AS8347US | Callcentric Wholesale Inc | — | — | 0 |
| AS8379US | CYBERNET-AG GTT Communications Inc. | — | — | 0 |
| AS10281US | DIALIP-E-NE - GLOBAL ONE | — | — | 0 |
| AS10289US | WEBNETWORKS - WebNetworks International, Inc. | — | — | 0 |
| AS10345US | INCONNECT - Internet Connect, Inc. | — | — | 0 |
| AS10408US | SPECTRUME - Spectrum Enterprises, Inc. | — | — | 0 |
| AS10413US | GLOBALLY - Global Net | — | — | 0 |
| AS10437US | KYRON-10437 - Kentucky Regional Optical Network (KY-RON) | — | — | 0 |
| AS10459US | WANSASN - Web America Networks | — | — | 0 |
| AS10467US | NEWMEDIA - New Media Laboratories | — | — | 0 |
| AS10498US | IWAVE-ASN - I-Wave Corp. | — | — | 0 |
| AS10582US | MONDONET-USA-AS - TMI-USA | — | — | 0 |
| AS10591US | IONSNET - Interact Communications | — | — | 0 |
| AS10639US | ALPHABLOX - ALPHABLOX CORPORATION | — | — | 0 |
| AS10647US | NACM - Nicholas Applegate | — | — | 0 |
| AS10712US | ISTRADA - Strada Internet Services, Inc. | — | — | 0 |
| AS10722US | C1CX-CA - C1CX | — | — | 0 |
| AS10734US | SVWIRELESS - Sioux Valley Wireless | — | — | 0 |
| AS10749US | AFFINET - Ntirety, Inc. | — | — | 0 |
| AS10781US | VINEYARD - Vineyard.NET, Inc. | — | — | 0 |
| AS10787US | MOTHER-ASN - mother.com, Inc. | — | — | 0 |
| AS10791US | PDQNETINC - PDQ NET INCORPORATED | — | — | 0 |
| AS10805US | XO-AS10805 - Verizon Business | — | — | 0 |
| AS10813US | DELTATHREE - Deltathree | — | — | 0 |
| AS10873US | SIEMENS-SMI - Siemens Microelectronics | — | — | 0 |
| AS10877US | CHAMBERS - Chambers Multimedia Connection | — | — | 0 |
| AS10884US | FRYIN-AS - Oracle Corporation | — | — | 0 |
| AS10915US | CQL-AS - CQL Incorporated | — | — | 0 |
| AS10993US | AERIONET-INC - Aerioconnect | — | — | 0 |