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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 |
| DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) |
| — |
| — |
| 0 |
| AS30590US | NSCM-NYC - 3G Capital, Inc. | — | — | 0 |
| AS5933US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS5918US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS4084US | DNIC-ASBLK-04065-04125 - Headquarters, USAISC | — | — | 0 |
| AS5691US | MITRE-AS-5 - The MITRE Corporation | — | — | 0 |
| AS4036US | ASN-4020-1 - Air Force Systems Networking | — | — | 0 |
| AS4159US | ONEWORLD-AS-1 - One World Productions | — | — | 0 |
| AS4028US | ASN-4020-1 - Air Force Systems Networking | — | — | 0 |
| AS4052US | ROVI - Rovi Corporation | — | — | 0 |
| AS46333US | COBALT - The Cobalt Group | — | — | 0 |
| AS46237US | PENNSBURY - Pennsbury School District | — | — | 0 |
| AS40681US | PHS-MT - Providence Health & Services | — | — | 0 |
| AS40485US | SSB - SANDY SPRING BANK | — | — | 0 |
| AS40456US | CME - Chicago Mercantile Exchange | — | — | 0 |
| AS46412US | PSKW-1 - PSKW LLC | — | — | 0 |
| AS47021US | MBIT - Middle Bucks Institute of Technology | — | — | 0 |
| AS46580US | MERICLE-AS - Mericle Construction Inc. | — | — | 0 |
| AS29977US | WTA-VPN-01 - Whatcom Transportation Authority | — | — | 0 |
| AS20223US | CBSITE-QTW - CareerBuilder, LLC | — | — | 0 |
| AS40579US | TWRS-DAL - Towerstream I, Inc. | — | — | 0 |
| AS20465US | BILL-AS - Bill.com, LLC. | — | — | 0 |
| AS20451US | KEYSTONE-PEER-REVIEW - Keystone Peer Review Organization, Inc. | — | — | 0 |
| AS22570US | AUTODESK-1 - Autodesk, Inc. | — | — | 0 |
| AS20017US | TRANSCORE-FBS - DAT Solutions, LLC | — | — | 0 |
| AS22452US | AKAMAI-NOMINUM-ASN - Akamai Technologies, Inc. | — | — | 0 |
| AS22432US | INSURANCE-DATA-PROCESSING - INSURANCE DATA PROCESSING, INC. | — | — | 0 |
| AS21667US | NTSLLC-AS1 - Nirvana Technology Solutions LLC | — | — | 0 |
| AS21865US | ARA-AS-1 - Allison Royce & Associates, Inc. | — | — | 0 |
| AS53852US | TIMBERLANDBANK - Timberland Bank | — | — | 0 |
| AS30131US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS30127US | ISC-F-AS - Internet Systems Consortium, Inc. | — | — | 0 |
| AS32392US | OPENTRANSFER-ECOMMERCE - Newfold Digital, Inc. | — | — | 0 |
| AS32465US | CHARTER-32465-NA - Charter Communications LLC | — | — | 0 |
| AS32200US | EPOXY-IX - Epoxytel Networks LLC | — | — | 0 |
| AS32127US | AYVA - Ayva | — | — | 0 |
| AS53716US | NATIONAL-TRANSPORTATION-SAFETY-BOARD - National Transporatation Safety Board | — | — | 0 |
| AS54188US | HLIOP-ASN - Maxion Wheels U.S.A. LLC | — | — | 0 |
| AS396887US | ALLIED-GLOBAL-MARKETING-EAST - AALP, INC | — | — | 0 |
| AS53842US | WANAWARE - WanAware, Inc | — | — | 0 |
| AS53278US | PHOENIXNAP - ECSuite, LLC | — | — | 0 |
| AS53457US | ARROWHEADGENERAL-SD1 - Arrowhead General Insurance Agency | — | — | 0 |
| AS62527US | BALTLIFE-AS-MAIN - The Baltimore Life Companies | — | — | 0 |
| AS62496US | ARVIG-62496 - Arvig Enterprises Inc. | — | — | 0 |
| AS40297US | CALSTAR-MCC - Air Medical Group Holdings | — | — | 0 |
| AS54992US | NEXTFINANCIAL - Next Financial | — | — | 0 |
| AS54284US | GIGSKY - GigSky Mobile LLC | — | — | 0 |