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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 | 3,135 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,254 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,267 |
| 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 | 3,726 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,965 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,346 |
| — |
| — |
| 0 |
| AS39982US | KYN-GTS - Kyndryl | — | — | 0 |
| AS40014US | PUBLISHING-DATA-MANAGEMENT-INC - Publishing Data Management, Inc. | — | — | 0 |
| AS40023US | ARBONNEINTERNATIONAL - Arbonne International, Inc. | — | — | 0 |
| AS40104US | CHARTER-40104-NA - Charter Communications LLC | — | — | 0 |
| AS40135US | KITTELSON-DIGIWEST-FORTLAUDERDALE - KITTELSON AND ASSOCIATES, INC. | — | — | 0 |
| AS40157US | ADESA-CORP-AS - ADESA Corp | — | — | 0 |
| AS40287US | REDJACK - REDJACK, LLC | — | — | 0 |
| AS40312US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40313US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40325US | CYPRIUM - Cyprium Investment Partners LLC | — | — | 0 |
| AS40418US | EOSNET - Eos Management, Inc. | — | — | 0 |
| AS40495US | ASN-MARCHEX - Marchex, Inc. | — | — | 0 |
| AS40543US | EY-AS-PIS2 - Ernst & Young LLP | — | — | 0 |
| AS40589US | INFRASCALE - Infrascale, Inc | — | — | 0 |
| AS40712US | ACTIVELINK - Active Link, Inc. | — | — | 0 |
| AS40738US | IVENUE - Ivenue.com Inc. | — | — | 0 |
| AS40745US | WIFI-PROS - WiFi Pros LLC | — | — | 0 |
| AS40756US | PCMAC - PCMAC | — | — | 0 |
| AS40767US | CHC-AS - Coventry Health Care, Inc. | — | — | 0 |
| AS40787US | LOTAME-ASN - Lotame Solutions, Inc. | — | — | 0 |
| AS40816US | VMW-PA-SERVER - Avago Technologies U.S. Inc. | — | — | 0 |
| AS40859US | QUALCOMM-SANTA-CLARA - Qualcomm, Inc. | — | — | 0 |
| AS40937US | I3LOGIX - i3logix, Inc. | — | — | 0 |
| AS46102US | ZDLLP80115 - Zetlin & De Chiara, LLP | — | — | 0 |
| AS46125US | COMSCORE-INC - comScore, Inc. | — | — | 0 |
| AS46197US | DISCOVERYIT77627 - Discovery Information Technologies, Inc. | — | — | 0 |
| AS46199US | KYN-GTS - Kyndryl | — | — | 0 |
| AS46219US | CASHEDGE - Fiserv Solutions, LLC | — | — | 0 |
| AS46225US | RMCFNET - Rocky Mountain Chocolate Factory, Inc. | — | — | 0 |
| AS46267US | MFCU-1-AS - Missoula Federal Credit Union | — | — | 0 |
| AS46322US | AS-CONDUCTOR - Conductor, Inc. | — | — | 0 |
| AS46396US | HK-SYSTEMS - HK Systems, Inc. | — | — | 0 |
| AS46415US | CLOUDWORKS - Ongoing Operations, LLC | — | — | 0 |
| AS46466US | SUMMITCREDITUNION - Summit Credit Union | — | — | 0 |
| AS46485US | BGIM-ASN - Brandywine Global Investments | — | — | 0 |
| AS46510US | 702-FARGO-IXP - 702 Communications | — | — | 0 |
| AS46627US | AUREON-46627 - Aureon Network Services | — | — | 0 |
| AS46702US | SOFTLAYER-DAL01 - IBM Cloud | — | — | 0 |
| AS46791US | CBOE - Cboe | — | — | 0 |
| AS46842US | NOBLEENERGY-ASN - Chevron Corporation | — | — | 0 |
| AS46863US | SCOTT-COUNTY-SCHOOLS-NETWORK - SCSN | — | — | 0 |
| AS46891US | INFO2 - Info 2 Extreme, Inc. | — | — | 0 |
| AS46944US | CAPITAL-IPT - Capital IPT | — | — | 0 |
| AS47013US | AS5-COLOAM - Colocation America Corporation | — | — | 0 |
| AS47052US | BAKER-ALLENPARK - Baker College | — | — | 0 |
| AS53273US | MWC-BH-ITC - Mitchell-Wayne Technologies | — | — | 0 |