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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. | 218.1M | 24,635 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,306 |
| 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.
32,220 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 | 3,891 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,003 |
| AS701US | UUNET - Verizon Business | 43.6M | 992 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,360 |
| 256 |
| — |
| 1 |
| AS25604US | GULF-SOUTH-PIPELINE - GULF SOUTH PIPELINE CO LP | 256 | — | 1 |
| AS396235US | TODFL - Town of Davie | 256 | — | 1 |
| AS13752US | P1FCU-01 - P1FCU | 256 | — | 1 |
| AS40559US | CROSSCOM - CROSSCOM NATIONAL, LLC | 256 | — | 1 |
| AS393749US | GWDCPW - Greenwood CPW | 256 | — | 1 |
| AS53680US | DI-ASN - Dynamic Infrastructure LLC | 256 | — | 1 |
| AS13844US | SJRH - St. John's Riverside Hospital | 256 | — | 1 |
| AS54356US | GENENSIS-SYSTEMS-LLC - GENESIS SYSTEMS, INC. | 256 | — | 1 |
| AS394398US | CFSMI-HQ - Client Financial Services of Michigan, LLC | 256 | — | 1 |
| AS395595US | NSG-LR - Network Services Group, Inc. | 256 | — | 1 |
| AS393281US | HB2000 - City of Huntington Beach | 256 | — | 1 |
| AS22076US | NEWSBANK - NewsBank Inc. | 256 | — | 1 |
| AS396372US | GPHEALTH - Great Plains Health | 256 | — | 1 |
| AS47553US | MISAKA-BYOIP Misaka Network, Inc. | 256 | 2 | 3 |
| AS47017US | JRFJ-USE - Unlimited Systems Engineering | 256 | — | 1 |
| AS29966US | VGRS-AC22 - VeriSign Global Registry Services | 256 | — | 1 |
| AS13430US | THEWISP-NWIL - DC COMPUTERS | 256 | — | 1 |
| AS396866US | OZARKS-ELECTRIC-COOP - Ozarks Electric Cooperative Corporation | 256 | — | 1 |
| AS400567US | CHRISTIAN-CARE-MINISTRIES - Christian Care Ministries, Inc. | 256 | — | 1 |
| AS39949US | CITYOFVANCOUVER-US - City Of Vancouver | 256 | — | 1 |
| AS394767US | GROUPONE-SC1 - Group One Consulting, Inc. | 256 | — | 1 |
| AS54981US | MANDOLARE-01 - Mandolare LLC | 256 | 1 | 2 |
| AS394359US | FARELOGIX - Farelogix, Inc. | 256 | — | 1 |
| AS13618US | HCEA - Holy Cross Energy | 256 | — | 1 |
| AS400239US | DESCHUTES - Deschutes County | 256 | — | 1 |
| AS53799US | NAHB1201 - NAHB | 256 | — | 1 |
| AS30338US | CFI-JOPLIN - CFI | 256 | — | 1 |
| AS18578US | SCHLUTER-SYSTEMS-LP - Schluter Systems L.P. | 256 | — | 1 |
| AS54338US | AS54338 - TECHNIP ENERGIES USA, INC. | 256 | — | 1 |
| AS397756US | POWERSCHOOL-FOLSOM - PowerSchool | 256 | — | 1 |
| AS1387US | ANSBB-ASNNET-2 - Verizon Business | 256 | 1 | 2 |
| AS11730US | PROGFIN - Progressive Finance | 256 | — | 1 |
| AS402591US | CYBERHAND-01 - CyberHand, | 256 | 256 | 2 |
| AS398980US | OSINET - OSI Holdings LLC | 256 | 256 | 2 |
| AS36659US | JWD-AS1 - J&B Wholesale Distributing, Inc. | 256 | — | 1 |
| AS63294US | DFTMAIN - DigitalFilm Tree LLC | 256 | 65.5K | 2 |
| AS396241US | CSS-ARIN-1 - Unison Software, Inc | 256 | — | 1 |
| AS397744US | REANONYMOUS - ReAnonymous LLC | 256 | — | 1 |
| AS29924US | CC-WIRELESS - Cedar Creek Wireless, LLC | 256 | — | 1 |
| AS53305US | TNA-124-53305 - Transdev North America, Inc. | 256 | — | 1 |
| AS16741US | CITY-OF-LAKELAND - City Of Lakeland | 256 | — | 1 |
| AS394276US | TAF - TurnAround Factor, Inc. | 256 | 3 | 3 |
| AS394600US | MZCORP - AppLovin Corporation | 256 | 1 | 2 |
| AS27224US | EQUINIX-EC-LA - Equinix, Inc. | 256 | 1 | 2 |
| AS396384US | BBNB1796 - Baker Boyer Bancorp | 256 | — | 1 |
| AS398316US | SCTDC - SC TECHNOLOGY SERVICES LLC | 256 | — | 1 |