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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 | 23,999 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,154 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 231 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,882 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,990 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,318 |
| 4.6K |
| — |
| 13 |
| AS54363US | BHI - Baker Hughes Holdings LLC | 4.6K | — | 17 |
| AS38047US | TAIWAN-TELECOM - Taiwan Telecom | 4.6K | 65.8K | 30 |
| AS11251US | DSTL-2-11251 - Disney Streaming Services | 4.6K | 11 | 29 |
| AS398050US | TMV-CABLE - Mountain Village Town Of | 4.6K | — | 3 |
| AS32674US | BLUE-HILL-DATA-SERVICES-AS - Blue Hill Data Services | 4.6K | 65.5K | 4 |
| AS398232US | CONNECTANZA - Anza Electric Cooperative Inc | 4.6K | — | 7 |
| AS16525US | KBR - KBR | 4.6K | — | 9 |
| AS397732US | NETVISION - Net Vision Communications, LLC | 4.6K | 65.5K | 6 |
| AS395359US | ITH-AS-1 - InTouch Health | 4.6K | 9 | 27 |
| AS62605US | UNTANGLEDTECH - Untangled Technology, LLC | 4.6K | 65.5K | 4 |
| AS395559US | FORCE-BROADBAND - Force Broadband LLC | 4.6K | — | 7 |
| AS401339US | YCL-US - YAMATO CLOUD LLC | 4.6K | — | 14 |
| AS396502US | HOTSPOTPR - HOTSPOTPR BROADBAND INTERNET, LLC | 4.6K | 4.1K | 17 |
| AS30343US | DFWCHECKPOINT - Check Point Software Technologies, Inc. | 4.6K | 1 | 4 |
| AS3571US | EY-AS - Ernst & Young LLP | 4.6K | — | 18 |
| AS22216US | SIEMENS-PLM - Siemens Corporation | 4.6K | 2 | 16 |
| AS15176US | AS-INOC - INOC, LLC | 4.6K | 65.5K | 4 |
| AS13443US | LINKEDIN - LinkedIn Corporation | 4.6K | 504 | 77 |
| AS398700US | CACTUS-INTERNATIONAL-INC - Cactus International, Inc. | 4.6K | 65.5K | 14 |
| AS22361US | BWL - Believe Wireless, LLC. | 4.6K | 65.5K | 4 |
| AS63010US | CITY-OF-LAGRANGE-GEORGA - City of LaGrange, Georgia | 4.6K | — | 18 |
| AS27011US | XSR-ASN - XM Satellite Radio | 4.6K | — | 17 |
| AS23304US | DATOTEL-STL-AS - Datotel LLC, a NetLabs LLC Company | 4.6K | — | 4 |
| AS54676US | MDC-AS01 - Metro Data Center LLC | 4.6K | — | 4 |
| AS36165US | ITM-TELECOM - ITM TELECOM | 4.6K | — | 18 |
| AS36002US | GOMAMI - GoMami Networks | 4.6K | — | 16 |
| AS395357US | RIVIERA-CELLULAR-AND-TELECOMMUNICATIONS-INC - Riviera Telephone Company, Inc. | 4.6K | — | 11 |
| AS3725US | ASN-SONY - Sony Pictures Technologies Inc. | 4.6K | 3 | 6 |
| AS401443US | WAP-AC - WAP.AC LLC | 4.6K | — | 16 |
| AS394170US | SUSQUEHANNA-UNIVERSITY - Susquehanna University | 4.6K | — | 3 |
| AS11170US | ROLLERNETWORK - Roller Network LLC | 4.6K | 65.5K | 9 |
| AS33371US | WMA-BEVERLY-HILLS - WME | 4.4K | — | 17 |
| AS6199US | COOPERUNION - Cooper Union | 4.4K | — | 2 |
| AS14369US | NMAX - Nmax | 4.4K | 65.5K | 18 |
| AS46997US | NATOLAB - Black Mesa Corporation | 4.4K | 1.2K | 38 |
| AS18555US | THE-ART-INST - The Art Institute of Chicago | 4.4K | — | 2 |
| AS18647US | ACCEL-AS - Accel Net, Inc. | 4.4K | — | 2 |
| AS19927US | NHMCCD - Lone Star College System District | 4.4K | — | 11 |
| AS33650US | COMCAST-33650 - Comcast Cable Communications, LLC | 4.4K | 109 | 121 |
| AS5982US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | 4.4K | — | 2 |
| AS40819US | VPSDATACENTER - Liquid Web, L.L.C | 4.4K | 256 | 13 |
| AS46479US | PREFERRED-NETWORKS - Pyramid.Net | 4.4K | — | 5 |
| AS10844US | VASTNET - Vastnet Corp | 4.4K | — | 4 |
| AS1406US | MOTOROLA-MOBILITY - Motorola Inc | 4.4K | — | 11 |
| AS13726US | APS-AS - Atlanta Public Schools | 4.4K | — | 2 |
| AS21660US | BAXALTA - Baxalta Incorporated | 4.4K | — | 11 |