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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) | 227.5M | 3,133 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 218M | 23,924 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 117.3M | 644 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.6M | 1,299 |
| 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.
32,140 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 230 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,881 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,992 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,310 |
| 7.4K |
| — |
| 5 |
| AS29765US | DATACHAMBERS - DataChambers, LLC | 7.4K | 768 | 11 |
| AS23323US | NET-DVC - Diablo Valley College | 7.4K | — | 4 |
| AS59729US | ITL-BG ROUTE 95 LLC | 7.4K | 65.5K | 19 |
| AS20259US | CVTC - Copper Valley Long Distance, LLC | 7.4K | 65.5K | 5 |
| AS54115US | FACEBOOK-CORP - Facebook Inc | 7.4K | 26 | 22 |
| AS16805US | DATAPIPE-MID - DataPipe, Inc. | 7.4K | 65.5K | 8 |
| AS27235US | CVC-INET-33 - COLORADO VALLEY COMMUNICATIONS, INC. | 7.4K | — | 4 |
| AS63107US | ECIN - Bijou Telephone Co-op Association, Inc. | 7.4K | — | 10 |
| AS33623US | ALHNVL-HAYNEVILLE-TELEPHONE - Hayneville Telephone Company | 7.4K | — | 13 |
| AS36730US | TRANSFORMYX - Transformyx, Inc. | 7.4K | — | 16 |
| AS394625US | WHITELABELIT - WhiteLabel IT Solutions Corp | 7.4K | 65.5K | 20 |
| AS21767US | WASHINGTON-COLLEGE - Washington College | 7.4K | — | 15 |
| AS11158US | NETDEPON - NTT America, Inc. | 7.4K | — | 29 |
| AS402279US | WAWO-GEOSCRY-08 - Geoscry Network LLC | 7.4K | 1 | 10 |
| AS36808US | PPHS-PALOMAR-POMERADO-HEALTH - Palomar Pomerado Health | 7.4K | — | 4 |
| AS8137US | DISNEYONLINE-AS - Disney Worldwide Services, Inc. | 7.4K | — | 7 |
| AS62948US | ALRB - Air Link Rural Broadband, LLC | 7.4K | — | 9 |
| AS40091US | WVVANET - WVVA.net Inc. | 7.4K | 4.4K | 30 |
| AS30614US | DELL-BLK - Dell, Inc. | 7.4K | 17 | 22 |
| AS62579US | VIRTUALSHIELD - VirtualShield LLC | 7.4K | — | 29 |
| AS46552US | RSMUS-IAAS - RSM | 7.4K | — | 12 |
| AS54864US | ROCKTENN - Rock-Tenn Company | 7.4K | — | 11 |
| AS46691US | LUNAVI-GA - Lunavi, Inc. | 7.4K | 4.1K | 5 |
| AS30286US | THM - ThreatMetrix Inc. | 7.2K | 5 | 30 |
| AS401041US | AXIS-SECURITY - Axis Security | 7.2K | — | 28 |
| AS30678US | STATEFARMINSCO-2 - State Farm Mutual Automobile Insurance Company | 7.2K | — | 13 |
| AS54327US | MTWEST - MONTANA WEST, L.L.C. | 7.2K | 65.5K | 7 |
| AS398013US | NGX-NETWORKS - NGX Networks | 7.2K | 196.6K | 31 |
| AS398019US | DYNU - Dynu Systems Incorporated | 7.2K | 2 | 30 |
| AS17212US | TRI-COUNTY-FIBER-COMMUNICATIONS - Tri-County Fiber Communications, LLC | 7.2K | 65.5K | 5 |
| AS10445US | HTG - Huntleigh Telcom | 7.2K | — | 19 |
| AS401776US | AS-CUSTOMER - IDC Cube | 7.2K | 9.4M | 49 |
| AS30303US | OOMA - Ooma, Inc. | 7.2K | — | 19 |
| AS400175US | MICROTRONIX-ESOLUTIONS - Microtronix ESolutions, LLC | 7.2K | 6.5K | 74 |
| AS7941US | INTERNET-ARCHIVE - Internet Archive | 7.2K | 1 | 7 |
| AS395107US | RTI - RTI | 7.2K | — | 15 |
| AS16789US | YARDI - YARDI SYSTEMS, INC | 7.2K | — | 19 |
| AS397477US | WGIX - WGIX | 7.2K | — | 21 |
| AS18540US | RECOVERYPOINTSYSTEMS - Recovery Point Systems Inc. | 7.2K | 65.5K | 9 |
| AS401413US | 8TH-FIRE-NETWORK-01 - 8th Fire Communications, LLC | 7.2K | 65.5K | 13 |
| AS36329US | INTRADO - Intrado Life & Safety, Inc. | 7.2K | 24 | 28 |
| AS21902US | WCTA - West Central Telephone Assn | 7.2K | — | 3 |
| AS401479US | DBM-ASN-KC - Database Mart LLC | 7.2K | — | 10 |
| AS54538US | PAN0001 - PALO ALTO NETWORKS | 7.2K | 22 | 34 |
| AS19299US | NPC-P1 - The Northern Trust Company | 7.2K | — | 9 |
| AS23387US | NONE---THIS-IS-A-NEW-ASN-REQUEST - Omsoft Technologies | 7.2K | — | 27 |