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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 | 3,140 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,178 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,241 |
| 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 | 373 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,667 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,946 |
| AS701US | UUNET - Verizon Business | 43.6M | 999 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,371 |
| 768 |
| — |
| 3 |
| AS401298US | SIPNAV-WEST - SipNav LLC | 768 | 512 | 5 |
| AS30188US | TELEVERGENCE - Televergence Solutions Inc. | 768 | — | 3 |
| AS53973US | FREEPOINT-COMMODITIES - Freepoint Commodities, LLC | 768 | — | 3 |
| AS63283US | RL-AS - Red Lobster | 768 | — | 3 |
| AS54319US | ARXSYSTEMS-ASN01 - Arxsystems.Io LLC | 768 | 4.1K | 3 |
| AS11199US | SHOWNETSAS - showNets LLC | 768 | — | 3 |
| AS394599US | FSN - Full Service Networking | 768 | — | 2 |
| AS402438US | VIYU-NETWORK-SOLUTIONS - Viyu | 768 | — | 2 |
| AS40936US | ACCS-21 - Alabama Community College System | 768 | — | 2 |
| AS27285US | ADAM-ASN - Oppenheimer Capital/Quest for Value | 768 | — | 2 |
| AS27178US | HSPS-HQ - Practice Management Technologies and Services | 768 | — | 3 |
| AS36333US | RBCORP - Republic Bank & Trust Company | 768 | — | 3 |
| AS395066US | DIGITAL-TECHNOLOGY-GROUP - Digital Technology Group, LLC | 768 | — | 3 |
| AS40614US | TALOS-HOUTX - Talos Energy LLC | 768 | — | 3 |
| AS11437US | CMM-AS - ClearSky Technologies, Inc. | 768 | — | 3 |
| AS393518US | CLAIMREMEDI-AS - ClaimRemedi, Inc. | 768 | — | 3 |
| AS395700US | OMB-ASN - Executive Office Of The President | 768 | 6 | 6 |
| AS17091US | HOLLCORP - Hollister Incorporated | 768 | — | 2 |
| AS401807US | INTUITY - Intuity Consultants, Inc. | 768 | — | 2 |
| AS401429US | PRIME-ONE - Prime One Net LLC | 768 | 512 | 4 |
| AS63105US | NEILL-BTR - Neill Corporation | 768 | — | 3 |
| AS394584US | MX-1 - MX Technologies Inc. | 768 | 1 | 4 |
| AS46718US | BTCONF-SON - BT Conferencing | 768 | — | 3 |
| AS11648US | CONECTIV-SCS - Conectiv Supply Chain Solutions, Inc. | 768 | — | 3 |
| AS27377US | FTICON-909 - FTI CONSULTING | 768 | — | 3 |
| AS395861US | MIA - Medical Imaging Associates of Idaho Falls, Inc. | 768 | — | 3 |
| AS395891US | CCS-DN1-MULTIHOME - Century Communities, Inc. | 768 | — | 3 |
| AS18767US | PHJW-LLP - Paul, Hastings, Janofsky & Walker LLP | 768 | — | 2 |
| AS11848US | SECUREVISION-GULFCOAST - SecureVision | 768 | 65.5K | 3 |
| AS33743US | HVW-ALB1 - Hudson Valley Wireless | 768 | — | 3 |
| AS16903US | TIGER-47 - Texas Southern University | 768 | — | 2 |
| AS400613US | APOG-STVC - Apogee Telecom Inc. | 768 | — | 2 |
| AS53336US | BSQL-AS-01 - BSQL Networking | 768 | 256 | 3 |
| AS36229US | YAHOO-YSM-SC8 - Yahoo Holdings Inc. | 768 | 1 | 4 |
| AS11166US | JCOM-3 - J2 Cloud Services, LLC | 768 | — | 3 |
| AS395227US | CLAYTON - CMH Services Inc. | 768 | — | 3 |
| AS30402US | GLCNET - Global Link Communications Limited | 768 | — | 3 |
| AS23078US | LOUDOUN-CNTY-VA-GOVT - County of Loudoun Virginia | 768 | — | 3 |
| AS395605US | SECURUSTECH - Securus Technologies, Inc | 768 | — | 2 |
| AS63081US | STOF-GAMING-TAMPA - Seminole Gaming | 768 | — | 2 |
| AS14611US | HARPERCOLLINSPUBLISHERS - HARPER COLLINS PUBLISHERS INC. | 768 | — | 3 |
| AS19389US | GOLUB - GOLUB CORPORATION | 768 | — | 3 |
| AS63486US | MCCS - HQ USMC NAF Business & Support Services Division (MR) | 768 | — | 3 |
| AS21860US | FL-GRIP - FOLEY & LARDNER LLP | 768 | — | 3 |
| AS398731US | GOODMAN-MANUFACTURING-COMPANY - Goodman Manufacturing Company, L.P. | 768 | — | 3 |
| AS32951US | IPL-INTERNET1 - IPL | 768 | — | 3 |