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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.1M | 21,110 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,246 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,954 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,419 |
| — |
| — |
| 0 |
| AS7891US | BELLSOUTH-NET-BLK2 - AT&T Enterprises, LLC | — | — | 0 |
| AS7903US | OASIS-AS - Breezeline | — | — | 0 |
| AS7907US | NETWORD-CORP - Networldtron Corp | — | — | 0 |
| AS8004US | DTG - Diversified Technologies Group | — | — | 0 |
| AS8008US | ETC-60-AS - Great Plains Communications LLC | — | — | 0 |
| AS8384US | GTT Communications Inc. | — | — | 0 |
| AS9400US | CORENETINC-AS-AP - CoreNET Inc. | — | — | 0 |
| AS10240US | MOTLEYFOOL - The Motley Fool, LLC. | — | — | 0 |
| AS10272US | SSIS - South Seas Internet Services | — | — | 0 |
| AS10304US | NETCHANNEL - Netchannel, INC. | — | — | 0 |
| AS10342US | INETINFOSVCS-AS - Internet Information Services, Inc. | — | — | 0 |
| AS10365US | WEBEXPRESS - WEB EXPRESS | — | — | 0 |
| AS10432US | APC-AS-2 - American Personal Communications | — | — | 0 |
| AS10443US | WOLFENET2 - Wolfe Internet Access | — | — | 0 |
| AS10526US | DRCORP - Direct Report Corporation | — | — | 0 |
| AS10527US | PULVER - Pulver.com | — | — | 0 |
| AS10534US | GOAMERICACOMM - GoAmerica Communications Corp | — | — | 0 |
| AS10555US | SCLI - Semi-Custom Logic, Inc | — | — | 0 |
| AS10588US | ICSNET - Intelligent Computer Solutions, Inc | — | — | 0 |
| AS10597US | CRUSOE-AS - Crusoe Communications, Inc. | — | — | 0 |
| AS10614US | ZHONKA-AS - Zhonka Broadband, LLC | — | — | 0 |
| AS10622US | NIEHS - National Institute of Environmental Health Sciences (NIEHS) | — | — | 0 |
| AS10684US | EMPIRENET - EmpireNet | — | — | 0 |
| AS10699US | TELSOFT-AS - TelSoft Consultants, Inc. | — | — | 0 |
| AS10736US | ITLTD - International Telcom, Ltd. | — | — | 0 |
| AS10737US | MOBI - CellularONE | — | — | 0 |
| AS10770US | SBIS-ASN-BLK-2 - AT&T Enterprises, LLC | — | — | 0 |
| AS10783US | IWSC-AS1 - Internet Web Service Corporation | — | — | 0 |
| AS10817US | GACONNECT - Georgia Connection.net | — | — | 0 |
| AS10890US | PHILADELPHIA-NEWSPAPERS - Philadelphia Newspapers Incorporated | — | — | 0 |
| AS10940US | FONALITY - Sangoma US Inc. | — | — | 0 |
| AS10943US | AS-ORT2 - OLD REPUBLIC NATIONAL TITLE INSURANCE CO. | — | — | 0 |
| AS10950US | POLITICO - Politico, LLC | — | — | 0 |
| AS10960US | CENTURYLINK-QC-MOE-TUCSON - CenturyLink Communications, LLC | — | — | 0 |
| AS11143US | OECONNECTION - OEConnection, LLC | — | — | 0 |
| AS11225US | CENTURYLINK-QC-MOE-OMAHA-GRAND-ISLAND - CenturyLink Communications, LLC | — | — | 0 |
| AS11420US | TRIBUNE-PUBLISHING-COMPANY - Tribune Publishing Company, LLC | — | — | 0 |
| AS11423US | CALREN-2 - CENIC | — | — | 0 |
| AS11508US | AS-VULTR2 - The Constant Company, LLC | — | — | 0 |
| AS11606US | ARCHTOP-FIBER-WVTC02 - Archtop Fiber | — | — | 0 |
| AS11672US | DFJBINC - NET2ATLANTA.COM LLC | — | — | 0 |
| AS11683US | ELNK-CHARTER-CONN - Windstream Communications LLC | — | — | 0 |
| AS11849US | CAMPLINK-3 - Camplink | — | — | 0 |
| AS11877US | CSC-FL-MIAMI-TELEPORT - CORPORATE SATELLITE COMMUNICATIONS/FLORIDA, INC. | — | — | 0 |
| AS11987US | INDYWEB - INDY WEB INC | — | — | 0 |
| AS12015US | WOW-INTERNET - WideOpenWest Finance LLC | — | — | 0 |