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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 | 23,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 643 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,300 |
| 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.
32,143 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 232 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,820 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,994 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,278 |
| — |
| 1 |
| 1 |
| AS402368US | HOSTGSM-NET - hostgsm.com | — | — | 0 |
| AS402234US | LARC-PUBLIC-1 - LOS ALISOS RANCH COMPANY, LP | — | — | 0 |
| AS399934US | ICFN - Innercity Fibernet | — | — | 0 |
| AS399316US | SUNRISEFL-ASN-101 - City of Sunrise | — | — | 0 |
| AS399245US | GRAND-TRAVERSE-COUNTY - Grand Traverse County | — | — | 0 |
| AS398796US | ABTEX-01 - ABTEX LLC | — | — | 0 |
| AS400309US | VAULT-HOST-SGP - Vault Host | — | — | 0 |
| AS398024US | ELEMENT-4-SWGR - Element Four | — | 1 | 1 |
| AS402093US | UPHOST - DigitalHost LLC | — | — | 0 |
| AS402016US | ASU-THREERIVERS-AS - Arkansas State University | — | — | 0 |
| AS402034US | WP1 - Winnr | — | — | 0 |
| AS401878US | WBC-ASN-04 - Weigel Broadcasting Co | — | — | 0 |
| AS400969US | PEG-TW-01 - PEG TECH INC | — | — | 0 |
| AS401804US | MAXWELL - Maxwell Telecom LLC | — | — | 0 |
| AS401953US | SBA1DC - U.S. Small Business Administration | — | — | 0 |
| AS19418US | MNBRAININJURYALLIANCE - Minnesota Brain Injury Alliance | — | 1 | 1 |
| AS5073US | HPINC - HP Inc. | — | — | 0 |
| AS3754US | NYSERNET3-AS - NYSERNet | — | 1 | 1 |
| AS4875US | LMC - Long Motor Corporation | — | — | 0 |
| AS207071US | FOX-NETWORK-AS Joshua Jones | — | 3 | 3 |
| AS6374US | MFS-WEST-AS - MFS Global Network Services, Inc. | — | — | 0 |
| AS809US | PPD-TRANSIT - PhirePhly Design | — | 1 | 1 |
| AS397658US | NRUMNET - Hop179 LLC | — | 5 | 5 |
| AS214085US | JUNIPERCIRCUIT-AS Eugene Lapidous | — | 1 | 1 |
| AS6156US | SPRINTLINK-NYSERNET7 - SPRINT, Business Serices Group | — | — | 0 |
| AS11007US | NEONGOAT - Neon Goat Productions | — | 1 | 1 |
| AS6008US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS401106US | TECHIES365 - Techies365 | — | 3 | 3 |
| AS6020US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS211387US | CXBnet Caleb Xavier Berger | — | 257 | 2 |
| AS5923US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS401507US | IMPUT - imput | — | 2 | 2 |
| AS5909US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS218789US | Soundvia-ASN Soundvia LLC | — | 1 | 1 |
| AS5866US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS14714US | GESTALT - Gestalt | — | 1 | 1 |
| AS5759US | RAINSTORM - Storm Network Systems, LLC | — | — | 0 |
| AS399477US | RYAN-PUBLIC-ASN - Ryan Companies US, Inc. | — | 256 | 1 |
| AS402878US | GENESYS-CLOUD-00 - Genesys | — | — | 0 |
| AS1051US | RIDGETOWERNET - Ridge Tower Network, LLC | — | 4.1K | 1 |
| AS402808US | GAI-WINDSOR-AS01 - GlobalAI | — | — | 0 |
| AS402662US | SEERAPPSASN1 - SeerApps | — | — | 0 |
| AS402606US | CHRISTIES-INC-ASN-01 - CHRISTIE'S | — | — | 0 |
| AS402513US | AIRWAVE-AS - Airwave | — | — | 0 |
| AS402916US | NIENBO - Nienbo | — | — | 0 |
| AS399087US | ROOFTOP-NET-01 - Rooftop, LLC | — | 4.1K | 1 |