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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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,721 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
| 68.3M |
| 366 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,106 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,574 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| — |
| 0 |
| AS400522US | ROOTCLOUD - rootcloud LLC | — | 8.7M | 32 |
| AS5798US | SUPERLATIVE - Superlative, Inc. | — | — | 0 |
| AS5930US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5881US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS10743US | GLOBALFEED - NTT Multimedia Communication Laboratories | — | — | 0 |
| AS6314US | CDC-AS - Chattanooga Data Connection, Inc. | — | — | 0 |
| AS5710US | NBTBA-ASN - NBT BANCORP INC. | — | — | 0 |
| AS6427US | HURRICANE-ELEC - Hurricane Electric LLC | — | — | 0 |
| AS14874US | PITTQIAO-US - PITTQIAO LLC | — | 512 | 2 |
| AS10900US | EDUC-NET-PROV - Educational Network Provider | — | — | 0 |
| AS6234US | ETAK-NET2 - Etak, Inc. | — | — | 0 |
| AS6174US | COGENT-6174 - Cogent Communications, LLC | — | — | 0 |
| AS733US | AFCONC-BLOCK2-AS - Air Force Systems Networking | — | — | 0 |
| AS387US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS211387US | CXBnet Caleb Xavier Berger | — | 257 | 2 |
| AS1260US | PLE - Air Force Systems Networking | — | — | 0 |
| AS15US | NET-DYNAMICS-EXP - DYNAMICS | — | — | 0 |
| AS402513US | AIRWAVE-AS - Airwave | — | — | 0 |
| AS402496US | REDDOT-BGP - Red | — | — | 0 |
| AS952US | HOP - Hop, Inc | — | — | 0 |
| AS400429US | ALTHEA - Hawk Networks Inc | — | 8 | 1 |
| AS2741US | DNIC-AS-02741 - United States Department of Defense (DoD) | — | — | 0 |
| AS11873US | USAID-1 - U.S. Agency for International Development | — | 1 | 1 |
| AS4078US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS4910US | SPRINTNET-NC - Sprint Mid-Atlantic Telecom | — | — | 0 |
| AS5013US | EMTF-IZM - Air Force Systems Networking | — | — | 0 |
| AS4993US | COGENT-4991-4994 - Cogent Communications, LLC | — | — | 0 |
| AS4596US | MONGTOMERY - Bank of America, National Association | — | — | 0 |
| AS26491US | GEEKSTORAGE - GEEKSTORAGE.COM, LLC | — | 66.6K | 6 |
| AS1727US | DNIC-AS-01727 - United States Department of Defense (DoD) | — | — | 0 |
| AS10762US | CDN-DNS - TestDrive Corporation | — | — | 0 |
| AS10669US | JOBTRAK-AS - Jobtrak Corp. | — | — | 0 |
| AS397658US | NRUMNET - Hop179 LLC | — | 4 | 4 |
| AS1915US | SEQUOIA-AS - National Science Foundation | — | — | 0 |
| AS10492US | CACMEDIANET - CAC-MediaNet | — | — | 0 |
| AS2582US | CDE - California Department of Education | — | — | 0 |
| AS2009US | BT-CLOUD-CONNECT - INFONET Services Corporation | — | — | 0 |
| AS1557US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | — | — | 0 |
| AS198963US | LANGE-AS Colten Lange | — | 256 | 1 |
| AS1455US | DNIC-ASBLK-01451-01456 - Headquarters, USAISC | — | — | 0 |
| AS46386US | ZANA-AS-2 - Osir, Inc. | — | 32 | 1 |
| AS180US | UMICH-AS-4 - University of Michigan | — | — | 0 |
| AS3074US | CITI8 - Citigroup Inc. | — | — | 0 |
| AS2985US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS2979US | SPRINT-MRN-BLOCK - U.S. Sprint | — | — | 0 |
| AS132US | WPAFB-CSD-NET-AS - Air Force Systems Networking | — | — | 0 |