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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 | 23,924 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| — |
| — |
| 0 |
| AS7335US | LOOP - Loop Phone Organization | — | — | 0 |
| AS7435US | ATM-CIN - Attachmate Corp. | — | — | 0 |
| AS7852US | PGTEL - California Internet Services | — | — | 0 |
| AS11266US | SMUGMUG - SmugMug, Inc. | — | — | 0 |
| AS10948US | INTERNET - Voya Investment Management LLC | — | — | 0 |
| AS14071US | PQ-CORPORATION - PQ Corporation | — | — | 0 |
| AS10740US | OWO-AS - Origin Systems, INC. | — | — | 0 |
| AS10705US | NU01-WS-NC - NetUnlimited Inc. | — | — | 0 |
| AS10507US | SPCS - Sprint Personal Communications Systems | — | — | 0 |
| AS10559US | WEBSTREETSECURITIES - Web Street Securities, Inc. | — | — | 0 |
| AS10765US | CLOUDNET-AS - CloudNet | — | — | 0 |
| AS25721US | AS-CHICAGO - Morningstar, Inc. | — | — | 0 |
| AS23365US | IFBYPHONE - Invoca, Inc. | — | — | 0 |
| AS12040US | INTELEPEER-US - IntelePeer, Inc. | — | — | 0 |
| AS22201US | PERFORCE-ASN - Perforce Software, Inc. | — | — | 0 |
| AS22144US | CHAPMAN - Chapman and Cutler | — | — | 0 |
| AS21988US | HENDRICK-AUTO-GROUP - Hendrick Automotive Group | — | — | 0 |
| AS22053US | ARENAONE - Arena One, LLC | — | — | 0 |
| AS27525US | FNF-CLOUD2 - Fidelity National Financial Inc. | — | — | 0 |
| AS214220US | BETAWHALE betawhale, Inc | — | — | 0 |
| AS396663US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS135271US | GLOBTELGROUP-AS-AP - Global Telecom Group LLC | — | — | 0 |
| AS132128US | CTL-AS-AP - CommScope Technologies LLC | — | — | 0 |
| AS63471US | HIDGLOBAL-AS - HID Global Corporation | — | — | 0 |
| AS64219US | MEGAPORTUSAINC-SEAIX-US - Megaport (USA) Inc. | — | — | 0 |
| AS63218US | ARIN-WEBINAR - American Registry for Internet Numbers | — | — | 0 |
| AS135306US | CHPL-US-AP - Computer Helper Pty. Ltd. | — | — | 0 |
| AS393955US | WIRELESS-PARTNERS-LLC - Wireless Partners LLC | — | — | 0 |
| AS63323US | CAPTIONCALL - CaptionCall | — | — | 0 |
| AS212789US | BullCloud-Network-Technology BullCloud Network Technology Ltd | — | — | 0 |
| AS393694US | HUNT-COMPANIES - Hunt Companies Business Services | — | — | 0 |
| AS393433US | ACPNY - AdvantageCare Physicians, P.C. | — | — | 0 |
| AS393648US | ACTON-SOFTWARE - Act-On Software | — | — | 0 |
| AS396589US | VRSN-AC50-340 - VeriSign Global Registry Services | — | — | 0 |
| AS393699US | OWNED-NETWORKS - Owned-Networks LLC | — | — | 0 |
| AS12137US | LHBIS-IPV4-NET01 - LightHouse Business Information Solutions, LLC | — | — | 0 |
| AS147025US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS11846US | BROADVIEWNET - Windstream Communications LLC | — | — | 0 |
| AS11843US | AFN-01 - Auravox, LLC | — | — | 0 |
| AS11675US | MCPS-MECKLENBURG-COUNTY-PUBLIC-SCHOOLS - Mecklenburg County Public Schools | — | — | 0 |
| AS11779US | MORRI-30-11779 - Optimum Online | — | — | 0 |
| AS14897US | PKS-INVESTMENTS - Purshe Kaplan Sterling Investments, Inc. | — | — | 0 |
| AS14838US | WIXCO-INC - Wix.Com, Inc. | — | — | 0 |
| AS14646US | FRANKLINCOVEY - Franklin Covey Co. | — | — | 0 |
| AS11349US | WINDSTREAM - Windstream Communications LLC | — | — | 0 |
| AS14082US | GOES - Global Online Electronic Services | — | — | 0 |