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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) | 227.4M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 217.9M | 25,270 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 642 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,323 |
| 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.
32,193 autonomous systems registered to United States. Click an AS for detail.
| 72.9M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.6M | 3,900 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,009 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.5M | 4,230 |
| — |
| — |
| 0 |
| AS36759US | KHBS-TV - Hearst-Argyle Television, Inc. | — | — | 0 |
| AS36859US | UNIVERSITY-OF-HOUSTON-RESEARCH - University of Houston | — | — | 0 |
| AS39996US | PANAVCA-ASN - Panasonic Avionics Corporation | — | — | 0 |
| AS40114US | AS-IMPROCOM - IMPROCOM INC | — | — | 0 |
| AS40278US | IMS-ASN - Internet Management Services LLC | — | — | 0 |
| AS40295US | CORNERSTONESOFTWARE - Cornerstone Software, Inc. | — | — | 0 |
| AS40307US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40316US | VIASAT-3 - ViaSat,Inc. | — | — | 0 |
| AS40465US | TELEEXPRESS - Tele Express Telecommunications XII Corp. | — | — | 0 |
| AS40484US | EPOCHTIMES - The Epoch Times Association Inc | — | — | 0 |
| AS40519US | SLIX - XMission, L.C. | — | — | 0 |
| AS40565US | ATPCO-ASN01 - AIRLINE TARIFF PUBLISHING CO | — | — | 0 |
| AS40624US | DODEVLLC - Do Dev LLC | — | — | 0 |
| AS40717US | VGRS-AC26 - VeriSign Global Registry Services | — | — | 0 |
| AS40733US | LD-MMR - LOANDEPOT.COM, LLC | — | — | 0 |
| AS40741US | PENAIR-ORG - PenAir Credit Union | — | — | 0 |
| AS40843US | FREESE-AS - Freese and Nichols | — | — | 0 |
| AS40899US | PROPONENTFCU - PROPONENT FEDERAL CREDIT UNION | — | — | 0 |
| AS40921US | ORCL-CHICAGO2 - Oracle Corporation | — | — | 0 |
| AS44109US | TWILIO-WIRELESS Twilio Inc. | — | — | 0 |
| AS46145US | HELMERICH-AND-PAYNE-INC - Helmerich & Payne, Inc. | — | — | 0 |
| AS46188US | CCMAINE - Cornerstone Communications, LLC | — | — | 0 |
| AS46205US | TELEK-OCIX - Sangoma US Inc. | — | — | 0 |
| AS46235US | TWN - Trion Worlds, Inc. | — | — | 0 |
| AS46308US | LINK-CC - LINK-CC LLC | — | — | 0 |
| AS46312US | WAL-MART3 - Wal-Mart Stores, Inc. | — | — | 0 |
| AS46349US | RWSC - RED WING SHOE COMPANY, INC. | — | — | 0 |
| AS46394US | JGOLDMAN - J. GOLDMAN & CO, L.P. | — | — | 0 |
| AS46545US | COMMAND-ALKON-INCORPORATED - Command Alkon Incorporated | — | — | 0 |
| AS46603US | JACK-IN-THE-BOX - Jack in the Box Inc. | — | — | 0 |
| AS46620US | WBH-ISC-RO - William Beaumont Hospital | — | — | 0 |
| AS46751US | PRIMET-INET-CLOUDX-AS - Prime Therapeutics LLC | — | — | 0 |
| AS46762US | AMRC - Ameresco, Inc. | — | — | 0 |
| AS46800US | INFOLOGCORP - Information Logistics, Inc | — | — | 0 |
| AS46813US | AS-OMNIVA-TXDC - Omniva LLC | — | — | 0 |
| AS46856US | PCUC-AS - PostUp LLC | — | — | 0 |
| AS46862US | ASC-ASN - ASC | — | — | 0 |
| AS46961US | CLOUDBREAKASN - Carenection LLC | — | — | 0 |
| AS46991US | SWEDISH-MEDICAL-CENTER-SHS - SWEDISH MEDICAL CENTER | — | — | 0 |
| AS47045US | SG-AME-47045 - SG Americas Operational Services Inc. | — | — | 0 |
| AS47099US | WITOPIA-AS1 - WiTopia, Inc. | — | — | 0 |
| AS49187US | YOUTHIDC-AS YOUTHIDC LLC | — | — | 0 |
| AS53360US | CUMULUS - Integral Solutions Group | — | — | 0 |
| AS53408US | MAREX-CHIDC - Marex Group, Inc. | — | — | 0 |
| AS53439US | SUNGARDRS - BroadbandONE, LLC | — | — | 0 |
| AS53496US | ACOUSTIC-AS-53496 - Acoustic, L.P. | — | — | 0 |