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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 | 24,358 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,303 |
| 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.
32,168 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 233 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,885 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,996 |
| AS701US | UUNET - Verizon Business | 43.6M | 994 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,342 |
| 768 |
| 3 |
| 6 |
| AS14301US | EVEREST-INTERNET - Everest Global Services | 768 | — | 3 |
| AS22688US | DOLGENCORP - Dollar General Corporation | 768 | — | 3 |
| AS25975US | NET2ATLANTA-GA - NET2ATLANTA.COM LLC | 768 | — | 3 |
| AS22030US | ZIPCON-AS-1 - Zipcon LLC | 768 | — | 2 |
| AS32180US | ROCKET-SIRIUS - ROCKET SOFTWARE INC | 768 | — | 2 |
| AS63221US | COMMUNITY-IX - Community IX Holdings, Inc. | 768 | — | 3 |
| AS27377US | FTICON-909 - FTI CONSULTING | 768 | — | 3 |
| AS399300US | CWL-001 - CONQUEST WIRELESS LLC | 768 | — | 3 |
| AS46268US | PADRES-01 - San Diego Padres | 768 | — | 2 |
| AS14292US | CSC-VISA - CSRA Consular Services Inc. | 768 | — | 3 |
| AS54149US | TS5LLC - TS5 LLC | 768 | — | 3 |
| AS22557US | IDENTITYDIGITAL - Identity Digital Inc. | 768 | — | 3 |
| AS558US | VEGANEXT - NV Next LLC | 768 | — | 3 |
| AS22349US | ASN-DCSCORP - DCS Corporation | 768 | — | 2 |
| AS23004US | VIEWTRADE - VIEWTRADE SECURITIES | 768 | — | 3 |
| AS23099US | SPR - DM Petroleum Operations Company | 768 | 1 | 4 |
| AS11166US | JCOM-3 - J2 Cloud Services, LLC | 768 | — | 3 |
| AS39974US | ALTITUDE-ISP - Altitude ISP LLC | 768 | — | 3 |
| AS40695US | FHLB-OF - FHLBanks - Office of Finance | 768 | — | 3 |
| AS401506US | TOGETHER-COMPUTER - Together Computer, Inc. | 768 | — | 3 |
| AS53720US | SUPERIORTECH - Superior Technology Solutions LLC | 768 | — | 3 |
| AS395861US | MIA - Medical Imaging Associates of Idaho Falls, Inc. | 768 | — | 3 |
| AS36488US | SWA-INET - Southwest Airlines Co. | 768 | — | 3 |
| AS17076US | SR-PRIMARY-BGP - Stone Ridge Asset Management LLC | 768 | — | 3 |
| AS14611US | HARPERCOLLINSPUBLISHERS - HARPER COLLINS PUBLISHERS INC. | 768 | — | 3 |
| AS25951US | HPINC - HP Inc. | 768 | — | 2 |
| AS396406US | MARYVILLE-UNIVERSITY-STL - Maryville University of St Louis | 768 | — | 3 |
| AS63283US | RL-AS - Red Lobster | 768 | — | 3 |
| AS25957US | KISARA-NETWORK-01 - Kisara Development LLC | 768 | 65.5K | 12 |
| AS54116US | STROM - Strom Holdings LLC | 768 | 1 | 5 |
| AS63486US | MCCS - HQ USMC NAF Business & Support Services Division (MR) | 768 | — | 3 |
| AS26791US | BADC-CLOUD - Synopsys Inc. | 768 | — | 2 |
| AS402292US | FYRA-STACK-LLC - Fyra Stack LLC | 768 | 2 | 4 |
| AS401813US | ARISTOCRAT INTERACTIVE - NEOGAMES US LLP | 768 | — | 3 |
| AS206226US | LITTLEORBIT Little Orbit Inc. | 768 | 32 | 5 |
| AS397805US | AS-DYNASCALE-IAD - Dynascale Inc. | 768 | 8.2K | 4 |
| AS399651US | TBBK-USCOLO01 - The Bancorp Incorporated | 768 | — | 3 |
| AS402319US | BYOIP-ASN - TAIPEI101 | 768 | 1 | 3 |
| AS397493US | NINECLOUD - Ninecloud Services, Inc. | 768 | 11 | 14 |
| AS20160US | LSCPA - Lamar State College - Port Arthur | 768 | — | 3 |
| AS16659US | CROWN-AS-1 - Crown Castle USA | 768 | — | 3 |
| AS15343US | AM-EX - AMERIPRISE FINANCIAL SERVICES, LLC | 768 | — | 3 |
| AS11848US | SECUREVISION-GULFCOAST - SecureVision | 768 | 65.5K | 3 |
| AS63355US | SALMON-BAY-TECHNOLOGY-01 - SALMON BAY TECHNOLOGY | 768 | — | 3 |
| AS394328US | BMC-PHX - BMC Software, Inc. | 768 | — | 3 |
| AS395483US | AAMLIVE-INC - Advisors Asset Management, Inc. | 768 | — | 3 |