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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 | 24,346 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,357 |
| DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) |
| — |
| — |
| 0 |
| AS5888US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5893US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5895US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5932US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5941US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5951US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5966US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5983US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5992US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5997US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6005US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6022US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6024US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS6131US | HOSP-INFO-NET - Hospitality Information Networks, Inc. | — | — | 0 |
| AS6144US | SOUND-ADVICE-LTD - Sound Advice Limited | — | — | 0 |
| AS6190US | GSIC-WI - Radial, Inc. | — | — | 0 |
| AS6211US | SPRNTDATANET - Sprint Communications Corp. | — | — | 0 |
| AS6229US | NETVOYAGE - Digital Design (NETVOYAGE-DOM) | — | — | 0 |
| AS6252US | EVOLUTION - Evolution On-Line Systems, Inc. | — | — | 0 |
| AS6255US | CHANNEL1 - Channel 1 Communications | — | — | 0 |
| AS6326US | LEBANET1 - LebaNet, Inc. | — | — | 0 |
| AS6335US | NTRNET - NTR.NET Corporation | — | — | 0 |
| AS6339US | I95-NET - Voicelink Communications, Inc. | — | — | 0 |
| AS6408US | PRADO - Prado Internet Access INc. | — | — | 0 |
| AS6504US | NOVAGATE - Novagate Communications Corporation | — | — | 0 |
| AS6533US | VARNER - Varner Technologies | — | — | 0 |
| AS6557US | CLINIC - C. C. Net, Inc. | — | — | 0 |
| AS6567US | CIA - Cable Internet Access Inc. d/b/a WorldNET | — | — | 0 |
| AS6654US | NSGDA-AS - NSGDatacom, Inc. | — | — | 0 |
| AS6944US | NTTA-6944 - NTT America, Inc. | — | — | 0 |
| AS6980US | CAJUNNET-AS - Cajun.Net | — | — | 0 |
| AS6991US | USLD-ASN - US Long Distance | — | — | 0 |
| AS7067US | TECHINTER - Technology Interface, Inc. | — | — | 0 |
| AS7097US | HWSERVICES--7097 - Ntirety, Inc. | — | — | 0 |
| AS7117US | NETCAST - Netcast Communications Corp. | — | — | 0 |
| AS7179US | PCSERVICE - PC Service Source | — | — | 0 |
| AS7198US | SCR - Siemens Corporate Research | — | — | 0 |
| AS7206US | NETDIRECT - CoreComm Internet Services Inc | — | — | 0 |
| AS7214US | CURSUS - CURSUS NETWORK USA | — | — | 0 |
| AS7230US | ORBITEL - Orbitel Communications, Inc | — | — | 0 |
| AS7244US | ALAMEDANET - Alameda Networks | — | — | 0 |
| AS7273US | TPLNET - Tacoma Public Library | — | — | 0 |
| AS7322US | MARSWEB - MARSweb, LLP | — | — | 0 |
| AS7331US | IARC - Information Architecture | — | — | 0 |
| AS7367US | SYSONE - Systems One Amadeus | — | — | 0 |
| AS7430US | HPINC - HP Inc. | — | — | 0 |