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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 | 3,134 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218.2M | 25,263 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,336 |
| 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.
32,247 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 2,004 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,350 |
| — |
| — |
| 0 |
| AS33384US | TEVA-NA - Teva Pharmaceuticals USA, INC | — | — | 0 |
| AS33436US | CODETINI - Codetini LLC | — | — | 0 |
| AS33502US | SUNGARDAS-33502 - BroadbandONE, LLC | — | — | 0 |
| AS33525US | NAHQUC - LG CNS America Inc. | — | — | 0 |
| AS33591US | MERITAIN-AS - Meritain Health, Inc. | — | — | 0 |
| AS33679US | SOVATO-HEALTH-INC - Sovato Health, Inc. | — | — | 0 |
| AS33687US | HPINC - HP Inc. | — | — | 0 |
| AS33716US | UP-TIME-TECHNOLOGY-ISP-1 - Up Time Technology, Inc. | — | — | 0 |
| AS35879US | CAPE-COD-COMPUTER-INC - Cape Cod Computer, Inc. | — | — | 0 |
| AS35881US | GICU - Greater Iowa Credit Union | — | — | 0 |
| AS35912US | ANCHORCOMPUTER-INC - Anchor Computer Inc. | — | — | 0 |
| AS35915US | DCMSERVICES - DCM Services, LLC | — | — | 0 |
| AS35941US | MOSAIC - Mosaic Data Services, Inc. | — | — | 0 |
| AS35989US | BAKER-AND-HOSTETLER-LLP - Baker & Hostetler, LLP | — | — | 0 |
| AS35993US | AKAMAI-AS - Akamai Technologies, Inc. | — | — | 0 |
| AS36018US | MEDSOLUTIONS - Medsolutions, Inc | — | — | 0 |
| AS36121US | NUCOM - Nucom Technology, Inc. | — | — | 0 |
| AS36241US | NUVEUM - Nuveum Inc. | — | — | 0 |
| AS36317US | TOLL-GIBR - TOLL BROTHERS INC | — | — | 0 |
| AS36371US | ST-CHI - Mitel Networks, Inc. | — | — | 0 |
| AS36404US | WAPA-ASN - Western Area Power Administration | — | — | 0 |
| AS36419US | ZNL-15-36419 - GIGAPATH LLC | — | — | 0 |
| AS36520US | GEN-AS3 - Google LLC | — | — | 0 |
| AS36557US | COWEN-INC - Ramius Capital Group, L.L.C. | — | — | 0 |
| AS36583US | VELOCITY-SEA - Velocity Technology Solutions, Inc | — | — | 0 |
| AS36594US | MOL - Medicine Online, Inc. | — | — | 0 |
| AS36604US | LATINSCHOOL - The Latin School of Chicago | — | — | 0 |
| AS36616US | AGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36617US | AGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36620US | EGTLD - VeriSign Global Registry Services | — | — | 0 |
| AS36694US | VIEWPOST-ASN - Viewpost | — | — | 0 |
| AS36735US | METTEL-CAMB - MetTel | — | — | 0 |
| AS36806US | AERIS-SJCORP-BGPNET - Aeris Communications, Inc. | — | — | 0 |
| AS39967US | PATH-NETWORK - Path Network, Inc. | — | — | 0 |
| AS40151US | ELITE - Old Dominion University | — | — | 0 |
| AS40201US | ASN-CSYSTEMS-2 - MSTAR.net LLC | — | — | 0 |
| AS40235US | WEXFORD-CAPITAL-LLC - Wexford Capital LLC | — | — | 0 |
| AS40251US | SAGESO-40251 - Sage Software, Inc. | — | — | 0 |
| AS40273US | FRONTPOINT-AS2 - FrontPoint Partners LP | — | — | 0 |
| AS40341US | Q9-AS-CAL2 - Equinix, Inc. | — | — | 0 |
| AS40402US | LITHIUM - Khoros, LLC | — | — | 0 |
| AS40407US | ZOOMFIBER-02 - Zoom Fiber | — | — | 0 |
| AS40441US | CHARLES-SCHWAB-40441 - Charles Schwab & Co., Inc. | — | — | 0 |
| AS40477US | HYDROTEX-NETWORK - Hydrotex Partners, Ltd. | — | — | 0 |
| AS40496US | NEXGENACCESS - NEXGENACCESS, INC. | — | — | 0 |
| AS40567US | ANADARKO - Occidental Petroleum Corporation | — | — | 0 |