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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 | 25,023 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 641 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.7M | 1,322 |
| 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.
32,214 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 | 3,906 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.9M | 2,007 |
| AS701US | UUNET - Verizon Business | 43.6M | 993 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.7M | 4,282 |
| 7.4K |
| — |
| 29 |
| AS903US | UNIFIED-COMMUNICATIONS-TECHNOLOGIES - Unified Communications Technologies, LLC | 7.4K | — | 18 |
| AS29765US | DATACHAMBERS - DataChambers, LLC | 7.4K | 768 | 11 |
| AS20300US | WT-AS1 - Woodstock Telephone Company | 7.4K | — | 7 |
| AS15191US | WIN-NET - Western Independent Networks, Inc. | 7.4K | 65.5K | 10 |
| AS3131US | TELEMEDIA-ASN - Tele-Media Solutions | 7.4K | 65.5K | 17 |
| AS23323US | NET-DVC - Diablo Valley College | 7.4K | — | 4 |
| AS36730US | TRANSFORMYX - Transformyx, Inc. | 7.4K | — | 16 |
| AS394814US | ISP4LIFE - ISP4Life INC | 7.4K | 65.5K | 9 |
| AS27235US | CVC-INET-33 - COLORADO VALLEY COMMUNICATIONS, INC. | 7.4K | — | 4 |
| AS11158US | NETDEPON - NTT America, Inc. | 7.4K | — | 29 |
| AS20259US | CVTC - Copper Valley Long Distance, LLC | 7.4K | 65.5K | 5 |
| AS46552US | RSMUS-IAAS - RSM | 7.4K | — | 12 |
| AS59729US | ITL-BG ROUTE 95 LLC | 7.4K | 65.5K | 19 |
| AS36808US | PPHS-PALOMAR-POMERADO-HEALTH - Palomar Pomerado Health | 7.4K | — | 4 |
| AS62948US | ALRB - Air Link Rural Broadband, LLC | 7.4K | — | 9 |
| AS54864US | ROCKTENN - Rock-Tenn Company | 7.4K | — | 11 |
| AS393942US | AS393942 - WiredISP Inc. | 7.4K | — | 29 |
| AS402279US | WAWO-GEOSCRY-08 - Geoscry Network LLC | 7.4K | 1 | 10 |
| AS62579US | VIRTUALSHIELD - VirtualShield LLC | 7.4K | — | 29 |
| AS54115US | FACEBOOK-CORP - Facebook Inc | 7.4K | 27 | 23 |
| AS11333US | CYBERTRAILS - CyberTrails | 7.4K | — | 15 |
| AS23381US | TRAVELERS - Travelers Property Casualty Corp. | 7.7K | — | 21 |
| AS17390US | CIO-ORGANIZATION - IBM | 7.7K | 10.3K | 53 |
| AS400940US | RAILWAY - Railway | 7.7K | 2K | 20 |
| AS395753US | KKR - KKR | 7.7K | — | 30 |
| AS33218US | BELZONICABLE - Belzoni Cable, LLC | 7.7K | 65.5K | 17 |
| AS400776US | SARASOTA-COUNTY-SCHOOLS - Sarasota County Schools | 7.7K | — | 4 |
| AS3713US | ICFCONSULTINGGROUPINC - ICF International | 7.7K | 2 | 19 |
| AS27022US | SIYEH-ASN-1 - Siyeh Corporation | 7.7K | — | 11 |
| AS401776US | AS-CUSTOMER - IDC Cube | 7.7K | 9.4M | 51 |
| AS7786US | NPAC - NeuStar, Inc. | 7.7K | — | 25 |
| AS17248US | INTERGLOBECOMMUNICATIONSINC - InterGlobe Communications, Inc. | 7.7K | — | 6 |
| AS23503US | CONSTELLATION-ENERGY - Exelon Corporation | 7.7K | 65.5K | 15 |
| AS33176US | DTCCAAS - DTC Cable | 7.7K | — | 7 |
| AS395209US | MICROLOGIC - MicroLogic, Inc. | 7.7K | — | 15 |
| AS397016US | HAWKEYE-TELEPHONE-COMPANY - Hawkeye Telephone Company | 7.7K | — | 9 |
| AS40641US | MGWTEL - MGW Telephone Company, Inc. | 7.7K | 65.5K | 18 |
| AS5015US | SHOUTING - Shouting Ground Technologies | 7.7K | — | 11 |
| AS19812US | RADIANZ-NUTLEY - BT Americas, Inc | 7.7K | — | 15 |
| AS27139US | DNIC-ASBLK-27032-27159 - United States Department of Defense DoD | 7.7K | — | 28 |
| AS10353US | STCC-5 - Southwest Tennessee Community College | 7.7K | — | 6 |
| AS399541US | WRC-AS - Western Reserve Communications, LLC | 7.7K | — | 8 |
| AS400175US | MICROTRONIX-ESOLUTIONS - Microtronix ESolutions, LLC | 7.7K | 6.5K | 79 |
| AS62864US | NILAS - net innovation llc | 7.7K | — | 21 |
| AS16743US | FTSBROADBAND - FTS Broadband | 7.7K | — | 13 |
| AS17157US | IHEARTMEDIA-AS-17157 - iHeartCommunications, Inc. | 7.7K | — | 30 |