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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 |
| — |
| — |
| 0 |
| AS399975US | NSWAT - NetSWAT LLC | — | 1M | 10 |
| AS4950US | ASN-SPRN-NYSERNET1 - SPRINT, Business Serices Group | — | — | 0 |
| AS207618US | DORIDIAN-AS Mark Dietzer | — | 257 | 2 |
| AS4942US | B-NET - B-Net Technologies | — | — | 0 |
| AS400883US | CHECK-POINT-INC-01 - Check Point Software Technologies Inc. | — | 1 | 1 |
| AS4487US | EMTF-UPW - Air Force Systems Networking | — | — | 0 |
| AS3852US | MAGICMONAD - Magic Monad LLC | — | 65 | 2 |
| AS3994US | INET-CORE-AS - Internetworsks, Inc. | — | — | 0 |
| AS26701US | AADS - NCRYPTD LLC | — | 1 | 1 |
| AS40792US | CYBERVERSE - CYBERVERSE | — | 1 | 1 |
| AS3754US | NYSERNET3-AS - NYSERNet | — | 1 | 1 |
| AS394847US | AFS-4 - AMERIPRISE FINANCIAL SERVICES, LLC | — | — | 0 |
| AS61387US | Cloudco-LLC Cloudco LLC | — | 1 | 1 |
| AS22321US | PLUMCHOICE-DC1 - PlumChoice | — | — | 0 |
| AS395326US | MIT-V6 - Massachusetts Institute of Technology | — | 1 | 1 |
| AS394585US | MITE-AS - MITE Corporation | — | — | 0 |
| AS5669US | VIA-NET-WORKS-AS - GTT Americas, LLC | — | 256 | 1 |
| AS393835US | CCS-COLO - Customer Contact Services | — | — | 0 |
| AS218737US | SP-NETWORKING-LLC SP NETWORKING, LLC | — | 279 | 9 |
| AS393788US | LUXCO-AS - Luxco Inc. | — | — | 0 |
| AS17045US | NGA911-CALI-A - NGA 911 | — | 6 | 2 |
| AS401919US | AS401919 - Pinehurst Networks | — | 2 | 2 |
| AS22503US | METHOD-01 - Method Security Inc | — | 128 | 2 |
| AS40130US | KITTELSON-DIGIWEST-PORTLAND - KITTELSON AND ASSOCIATES, INC. | — | — | 0 |
| AS402240US | WAYFIRE TECHNOLOGIES LLC - Wayfire Technologies LLC | — | 1 | 1 |
| AS32609US | CNS - Cooperative Network Services, LLC | — | — | 0 |
| AS394839US | TRITAN-INTERNET-LLC - Tritan Internet LLC | — | 1 | 1 |
| AS211019US | servers-guru moula world llc | — | 2 | 2 |
| AS11938US | ABANTU - NCRYPTD LLC | — | 1 | 1 |
| AS6038US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS153039US | PRONET-AS-AP - Protected Networks | — | 1 | 1 |
| AS6007US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS206540US | CREEKY-NOISES-MAKE-MY-SKIN-CREEP-I-NEED-TO-GET-SOME-SLEEP-I-CAN-T-GET-NO-SLEEP BEANSUMMERHOST NEXTGEN SHED HOSTING SOLUTIONS LLC | — | 11 | 11 |
| AS6016US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS11007US | NEONGOAT - Neon Goat Productions | — | 1 | 1 |
| AS4183US | UUNET-MCIWCOM - Verizon Business | — | — | 0 |
| AS395556US | TRI-CORP - Trident Seafoods Corporation | — | 4 | 4 |
| AS4161US | TIN-1 - Air Force Systems Networking | — | — | 0 |
| AS22577US | LOON - Google LLC | — | 16 | 1 |
| AS4068US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS402270US | SOFTERYX-INC - Softeryx | — | 256 | 1 |
| AS4219US | DNIC-ASBLK-04214-04221 - United States Department of Defense (DoD) | — | — | 0 |
| AS208884US | FL-791-208884 - flew | — | 1 | 1 |
| AS207414US | Ganawa-James-Juanah Ganawa Juanah | — | 2 | 2 |
| AS18572US | BVIU27 - Beaver Valley Intermediate Unit #27 | — | 256 | 1 |
| AS3907US | CONNECT-1-NET - Connected INC | — | — | 0 |