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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 | 21,268 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,248 |
| 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 | 3,721 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,955 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,300 |
| — |
| — |
| 0 |
| AS40597US | ASKOAK01 - IAC Search & Media Inc | — | — | 0 |
| AS40629US | CTSIOK-AS - Chickasaw Telecommunications Services, Inc. | — | — | 0 |
| AS40706US | QTO - QTO | — | — | 0 |
| AS40779US | VOLTNET-01 -03 - VoltNet inc | — | — | 0 |
| AS40796US | ZELLE-HOFMANN - Zelle LLP | — | — | 0 |
| AS46112US | SEQUELDATA-01 - Sequel Data Systems, Inc | — | — | 0 |
| AS46113US | AUST-MAGDIA-CC-LUM - Magnetar Capital LLC | — | — | 0 |
| AS46120US | PARTSSOURCE-AS - PartsSource, LLC | — | — | 0 |
| AS46189US | BEATPORT-NAR-AS-1 - Beatport LLC. | — | — | 0 |
| AS46240US | CAMPUSEAI - CampusEAI | — | — | 0 |
| AS46247US | THOMPSONHEALTH - F.F. Thompson Health System, Inc. | — | — | 0 |
| AS46444US | STARWOOD-SDL-PHX - Marriott International, Inc. | — | — | 0 |
| AS46489US | TWITCH - Twitch Interactive Inc. | — | — | 0 |
| AS46514US | MTI-TECH - MTI Technology LLC | — | — | 0 |
| AS46524US | GRANITE-100 - Granite Telecommunications LLC | — | — | 0 |
| AS46530US | CORPTECH - Corporate Technologies LLC. | — | — | 0 |
| AS46556US | CIT-ASN-NA-03 - First-Citizens Bank & Trust Company | — | — | 0 |
| AS46593US | TELEDATA - Teledata Solutions, Inc. | — | — | 0 |
| AS46638US | DIXIE - Cyber Broadband, Inc | — | — | 0 |
| AS46671US | ASN-ZOOSK - ZOOSK INC. | — | — | 0 |
| AS46678US | MAJOR-LEAGUE-BASEBALL-NETWORK-LLC - MLB NETWORK, LLC | — | — | 0 |
| AS46753US | TDAMERITRADETRUST - Charles Schwab & Co., Inc. | — | — | 0 |
| AS46779US | HAYNEEDLE - Hayneedle, Inc. | — | — | 0 |
| AS46809US | SCCM-500 - Society Of Critical Care Medicine | — | — | 0 |
| AS46810US | TWINDISC - Twin Disc Incorporated | — | — | 0 |
| AS46840US | GSC-WATER - GSC Logistics, Inc. | — | — | 0 |
| AS46899US | SPECTRA-LABORATORIES - Spectra Laboratories | — | — | 0 |
| AS46949US | D102-PHL-2 - Data102 | — | — | 0 |
| AS46955US | RUBICONPROJECT - Magnite, Inc. | — | — | 0 |
| AS47025US | WEST-WIRELESS-HEALTH - Gary and Mary West Wireless Health Institute | — | — | 0 |
| AS47067US | DATA443-COMMTOUCH-INC-2 - Data443 Risk Mitigation, Inc. | — | — | 0 |
| AS53310US | ESECURED-NETWORKS - eSited Solutions | — | — | 0 |
| AS53371US | MOZILLA-MDC2 - Mozilla Corporation | — | — | 0 |
| AS53397US | ARCTICFOXAK - Arctic Fox Networks Inc | — | — | 0 |
| AS53418US | DIRECTV-LOSANGELES - DIRECTV, LLC | — | — | 0 |
| AS53468US | FWL - Cleartalk | — | — | 0 |
| AS53510US | CROWDSTACK-20100528 - Crowdstack, Inc. | — | — | 0 |
| AS53512US | VMW-DENVER - Avago Technologies U.S. Inc. | — | — | 0 |
| AS53622US | COPIAGUE-SCHOOLS - Copiague Union Free School District | — | — | 0 |
| AS53689US | AS-FINCAHQ - FINCA International, Inc. | — | — | 0 |
| AS53801US | AS-SWATTRAN - Southwest Arkansas Telephone Cooperative | — | — | 0 |
| AS53837US | SBDN-AS - ServedBy the Net, LLC. | — | — | 0 |
| AS53876US | DATACATE-AS2 - Datacate Inc. | — | — | 0 |
| AS53955US | ALIGN-DRT - ALIGN Inc. | — | — | 0 |
| AS53963US | CHL-350-53963 - Concord Hospital - Laconia | — | — | 0 |
| AS53995US | ULLIC-SS - Ullico Inc | — | — | 0 |