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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 | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 219M | 23,666 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 645 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,361 |
| 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.
32,363 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 234 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 439 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.8M | 3,911 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 45M | 2,046 |
| AS701US | UUNET - Verizon Business | 43.6M | 996 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.8M | 4,491 |
| — |
| — |
| 0 |
| AS13815US | TAI-ASN - Chieftain Capital Management Inc. | — | — | 0 |
| AS13488US | 365DC-1 - BroadbandONE, LLC | — | — | 0 |
| AS13633US | OOCL-MNL - OOCL (USA), Inc. | — | — | 0 |
| AS12137US | LHBIS-IPV4-NET01 - LightHouse Business Information Solutions, LLC | — | — | 0 |
| AS12126US | AS-HOSTPERL - HOSTPERL LLC | — | — | 0 |
| AS11968US | LEXISNEXIS-RISK-ASSETS - ChoicePoint, Inc. | — | — | 0 |
| AS11779US | MORRI-30-11779 - Optimum Online | — | — | 0 |
| AS7412US | ENS-NET - EZ Network Systems, Inc. | — | — | 0 |
| AS7335US | LOOP - Loop Phone Organization | — | — | 0 |
| AS7269US | ONESOURCE - OneSource Information Services,Inc | — | — | 0 |
| AS7318US | FOCALINK-AS - Focalink | — | — | 0 |
| AS7129US | ANC-AS - American Network Communications, Inc. | — | — | 0 |
| AS7107US | 3DO - The 3DO Company | — | — | 0 |
| AS6981US | AS11456 - Windstream Communications LLC | — | — | 0 |
| AS13436US | INTERNET2-CONF - Internet2 | — | — | 0 |
| AS10488US | TFM-ASN - TFM Associates LLC | — | — | 0 |
| AS10483US | AKPERMFUND - Alaska Permanent Fund | — | — | 0 |
| AS10374US | WELLSFARGO-10372-10376 - Wells Fargo Bank, N.A. | — | — | 0 |
| AS10453US | CNIWEB - CREATIVE NETWORK INNOVATIONS, INC. | — | — | 0 |
| AS63375US | FULLSPANSOLUTIONS-AS02 - Full Span Solutions LLC | — | — | 0 |
| AS1872US | HPINC - HP Inc. | — | — | 0 |
| AS216357US | INFINITIUM-AS216357 INFINITIUM CORPORATION | — | 2 | 2 |
| AS396490US | BC-1326-ASN - Bonnier Corporation | — | — | 0 |
| AS396198US | VB-FIBER - Point Broadband Fiber Holding, LLC | — | — | 0 |
| AS396466US | THE-FRICK-COLLECTION - The Frick Collection | — | — | 0 |
| AS395593US | WOODRUFF-ARTS-CENTER - Woodruff Arts Center | — | — | 0 |
| AS395575US | OPTORO - Optoro, Inc. | — | — | 0 |
| AS395445US | DODGE-COUNTY-WI - Dodge County | — | — | 0 |
| AS395867US | DSAC - Dassault Systemes Americas Corp. | — | — | 0 |
| AS199465US | feiya FeiYa Network LTD. | — | — | 0 |
| AS147025US | ISC-AS-AP - Internet Systems Consortium | — | — | 0 |
| AS135271US | GLOBTELGROUP-AS-AP - Global Telecom Group LLC | — | — | 0 |
| AS136025US | ORACLE-AS-AP - Oracle Corporation | — | — | 0 |
| AS395845US | CEA-ER-PUBLIC - California Earthquake Authority | — | — | 0 |
| AS63323US | CAPTIONCALL - CaptionCall | — | — | 0 |
| AS63075US | GL-SDWAN - GeoStar, LLC. | — | — | 0 |
| AS395280US | CARTUS-US - Cartus Corporation | — | — | 0 |
| AS393679US | CITY-OF-WOOSTER - City of Wooster | — | — | 0 |
| AS393672US | NTHRIVE-ASN03 - Finthrive, Inc. | — | — | 0 |
| AS393343US | RW-SHANHS - Ranch WiFi LLC | — | — | 0 |
| AS393527US | ICANON - ICANON Associates, Inc. | — | — | 0 |
| AS214964US | Areg-Zaratsyan Areg Zaratsyan | — | — | 0 |
| AS214220US | BETAWHALE betawhale, Inc | — | — | 0 |
| AS211369US | VERISIGN-AS VeriSign Inc. | — | — | 0 |
| AS218159US | PROTIUM-NETWORK Protium Network LLC | — | — | 0 |
| AS11818US | BHN-11818-NA - Charter Communications, Inc | — | — | 0 |