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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 |
| AS220US | OOALC-HOSTNET-AS - Air Force Systems Networking | — | — | 0 |
| AS307US | DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD) | — | — | 0 |
| AS3463US | LOGIN-NONAZ - Login, Inc. | — | — | 0 |
| AS403189US | US-HOSTING-AS - LEAPNET | — | — | 0 |
| AS55126US | HPDF-JLAB - High Performance Data Facility | — | 1 | 1 |
| AS6137US | SISNA - SISNA, Inc. | — | — | 0 |
| AS402925US | ZENTRO-INTERNET-FLORIDA - Everywhere | — | — | 0 |
| AS1400US | T2-CT-ASC - Charles Schwab & Co., Inc. | — | — | 0 |
| AS1392US | ANSBB-ASNNET-2 - Verizon Business | — | — | 0 |
| AS1033US | HPE-AMS-CFC - HEWLETT PACKARD ENTERPRISE COMPANY | — | — | 0 |
| AS1202US | AS1202 - National Aeronautics and Space Administration | — | — | 0 |
| AS700US | ROKNET-AS - The Boeing Company | — | — | 0 |
| AS3381US | MHPCC-AS - Maui High Performance Computing Center | — | 1 | 1 |
| AS6020US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS476US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS401US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS393US | AFCONC-BLOCK1-AS - Air Force Systems Networking | — | — | 0 |
| AS4942US | B-NET - B-Net Technologies | — | — | 0 |
| AS19235US | HOSTING-COM - Ntirety, Inc. | — | — | 0 |
| AS19227US | OK-INTERNET - Terra World, Inc. | — | — | 0 |
| AS18823US | MEDICALERT - Medicalert Foundation | — | — | 0 |
| AS18879US | HR1 - HireRight LLC | — | — | 0 |
| AS18737US | VISANET-3 - VISA INTERNATIONAL SERVICE ASSOCIATION | — | — | 0 |
| AS197259US | KAOFISH-AS KAOFISH NETWORK LLC | — | 16 | 1 |
| AS22914US | BIGRIVER2 - Big River Telephone Company, LLC | — | — | 0 |
| AS17284US | VONAGE-17284 - Vonage Holdings, Inc. | — | — | 0 |
| AS16828US | DGA-SECURITY - DGA Security Systems, Inc. | — | — | 0 |
| AS16806US | AVLNA-INTERNET - AVL North America, Inc. | — | — | 0 |
| AS22321US | PLUMCHOICE-DC1 - PlumChoice | — | — | 0 |
| AS398024US | ELEMENT-4-SWGR - Element Four | — | 1 | 1 |
| AS22144US | CHAPMAN - Chapman and Cutler | — | — | 0 |
| AS212990US | CHANDLER-WILLOUGHBY-AS Jacob Chandler Willoughby | — | 1 | 1 |
| AS27491US | NATIONAL-FINANCIAL-PARTNERS-CORP - NATIONAL FINANCIAL PARTNERS CORP. | — | — | 0 |
| AS20287US | OFINY - Invesco Group Services, Inc. | — | — | 0 |
| AS20153US | ARGUSHEALTH - ARGUS HEALTH SYSTEMS | — | — | 0 |
| AS20039US | BAKERJK - Baker College | — | — | 0 |
| AS2745US | DNIC-AS-02745 - United States Department of Defense (DoD) | — | — | 0 |
| AS2893US | CLI-NET - Computational Logic, Inc. | — | — | 0 |
| AS2700US | CLARIS-CORP - Claris International Inc. | — | — | 0 |
| AS397877US | ECBROADBAND - Eastern Carolina Broadband LLC | — | 1 | 1 |
| AS1524US | DNIC-ASBLK-01522-01526 - Headquarters, USAISC | — | — | 0 |
| AS2935US | CDOLNET-GOV - Connecticut Department of Labor | — | — | 0 |
| AS1655US | DNIC-AS-01655 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS1597US | DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD) | — | — | 0 |
| AS1469US | DNIC-ASBLK-01469-01470 - Headquarters, USAISC | — | — | 0 |
| AS1495US | DNIC-ASBLK-01494-01495 - Headquarters, USAISC | — | — | 0 |