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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 | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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 | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| — |
| — |
| 0 |
| AS4959US | CORPCOMM - Corporate Communications, Inc. | — | — | 0 |
| AS4975US | LASER-NET-BLOCK - Computer Tech Services, Inc. | — | — | 0 |
| AS4978US | GDI-NET-AS - Global Datalink, Inc. | — | — | 0 |
| AS5003US | GIGAN-2 - Insync Internet Services, Inc. | — | — | 0 |
| AS5007US | COMPUTOPIA - Computopia | — | — | 0 |
| AS5021US | PACAF-GCCS - Air Force Systems Networking | — | — | 0 |
| AS5028US | GATEWAYNORTH - Evergreen Technologies Corporation | — | — | 0 |
| AS5076US | SYNOPTEK - Synoptek, LLC | — | — | 0 |
| AS5083US | DRAKE-NET - Dnet Internet Services | — | — | 0 |
| AS5086US | IDNET - Innovative Data Services | — | — | 0 |
| AS5095US | BOOKLINK-AS - Booklink/Navisoft | — | — | 0 |
| AS5129US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5139US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5148US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5200US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5229US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5231US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5232US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5252US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5258US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5281US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5315US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5320US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5339US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5362US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | — | — | 0 |
| AS5637US | SAF-HOLLAND - SAF HOLLAND INC. | — | — | 0 |
| AS5644US | ASN-USA - USAinternet, Inc. | — | — | 0 |
| AS5665US | DELMARVA-ASN - Delmarva Power & Light Company | — | — | 0 |
| AS5673US | PBI-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS5681US | PBI-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS5682US | NETONE - Online Network Enterprises | — | — | 0 |
| AS5687US | AA-NET - Alternate Access Inc. | — | — | 0 |
| AS5706US | SOCPUPPETS - PC Quote, Inc. | — | — | 0 |
| AS5771US | ALSK-5771 - Alaska Communications Systems Group, Inc. | — | — | 0 |
| AS5781US | CSI-GATEWAY-2 - Connectivity Solutions, Inc. | — | — | 0 |
| AS5811US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5812US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5841US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5849US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5854US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5862US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5904US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5926US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5928US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5934US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5943US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |