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How United States ranks worldwide on dormant space, the transfer market, routing security and address density.
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 | 20,695 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| 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.
| 68.2M |
| 345 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,107 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,573 |
| 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 |
| 98.8K |
| 17 |
| 6 |
| AS25853US | ELJY30540 - Ellijay Telephone Company | 98.8K | 65.5K | 19 |
| AS10499US | IUMC-IT - Rochester Gas and Electric Corporation | 98.8K | — | 6 |
| AS20252US | JSIWMC - Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University | 98.8K | — | 4 |
| AS12US | NYU-DOMAIN - New York University | 98.6K | 65.5K | 12 |
| AS7847US | NASA-HPCC-ESS - NASA Goddard Space Flight Center | 98.3K | 1 | 3 |
| AS3388US | UNM-AS - University of New Mexico | 98.3K | — | 2 |
| AS400463US | DYNANODE-ASN-01 - DynaNode LLC | 98.3K | — | 4 |
| AS27086US | DNIC-ASBLK-27032-27159 - United States Department of Defense (DoD) | 97.8K | — | 141 |
| AS33004US | SUNY-ESC - SUNY Empire State University | 97.8K | 1 | 20 |
| AS64286US | LOGICWEB - LogicWeb Inc. | 97.8K | 1.1M | 167 |
| AS1736US | MU-AS - Marquette University | 97.8K | — | 79 |
| AS6026US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 97.5K | 1 | 22 |
| AS33616US | CO-MO-COMM - Co-Mo Comm Inc | 97.5K | 65.5K | 150 |
| AS395354US | ASN-STARRY - Starry, Inc. | 97.3K | 53.2K | 48 |
| AS7862US | CHEVRON - Chevron Corporation | 96.8K | 6.1K | 43 |
| AS300US | DNIC-AS-00300 - United States Department of Defense (DoD) | 96.8K | 1 | 36 |
| AS5009US | EATEL - REV | 96.5K | 65.5K | 17 |
| AS33425US | COREWEAVE - CoreWeave, Inc | 96.3K | 131.1K | 9 |
| AS11520US | ALLSTATE-INSURANCE-CO - Allstate Insurance Company | 96K | — | 69 |
| AS19380US | CHROBINSON - C.H. ROBINSON WORLDWIDE, INC. | 96K | — | 10 |
| AS19255US | YOUR-ORG-INC-NA - YOUR.ORG, INC. | 96K | 4.4K | 33 |
| AS14135US | NAVISITE-EAST-2 - Navisite Opco LLC | 96K | 2 | 33 |
| AS6315US | XMISSION - XMission, L.C. | 95.5K | 137.2K | 33 |
| AS397423US | TIER-NET - Tier.Net Technologies LLC | 95.2K | 66.4K | 335 |
| AS15081US | OMNI-FIBER - Omni Fiber | 95K | 65.5K | 25 |
| AS27411US | LEASEWEB-USA-CHI - Leaseweb USA, Inc. | 95K | 1.2M | 109 |
| AS55293US | A2HOSTING - A2 Hosting, Inc. | 94.7K | — | 77 |
| AS7152US | REDCROSS-ASN - American Red Cross | 94.5K | — | 16 |
| AS13614US | ALLWEST - All West Communications, Inc. | 94.5K | 65.5K | 31 |
| AS14114US | SAP-NIE - SAP America Inc. | 94K | 1 | 62 |
| AS5974US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 94K | 3 | 20 |
| AS19092US | 360NETWORKS-US - Zayo Bandwidth | 93.7K | 65.5K | 11 |
| AS3685US | BUFFALO-ASN - State University of New York at Buffalo | 93.7K | 1 | 12 |
| AS32787US | PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc. | 93.4K | 76 | 371 |
| AS5374US | DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD) | 93.4K | — | 13 |
| AS18933US | USCC-MPLS01 - T-Mobile USA, Inc. | 93.2K | — | 14 |
| AS10297US | ENET-2 - eNET Inc. | 92.9K | 65.5K | 19 |
| AS22709US | NSTELCO - North State Telephone, LLC | 92.7K | 23.1M | 58 |
| AS62600US | ABOR-SUN-CORRIDOR - Arizona Board of Regents | 92.7K | 65.5K | 14 |
| AS46231US | WATCHCOMM-IN - Watch Communications | 91.9K | 131.1K | 36 |
| AS12118US | WVU - West Virginia University | 91.6K | — | 6 |
| AS16863US | HOMESC - Home Telephone Company, Inc. | 91.6K | 65.6K | 234 |
| AS20141US | QTS-SUW1-ATL1 - Quality Technology Services, LLC | 91.4K | 32.8K | 73 |
| AS61317US | ASDETUK Hivelocity LLC | 91.4K | 1.3K | 314 |
| AS104US | COLORADO-AS - University of Colorado at Boulder | 91.1K | 65.5K | 22 |
| AS13796US | UCONN-ARIN - University of Connecticut | 90.6K | — | 5 |