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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 | 23,999 |
| 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.
32,154 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 231 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 437 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 51.5M | 3,882 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,990 |
| AS701US | UUNET - Verizon Business | 43.6M | 995 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,318 |
| 2K |
| — |
| 8 |
| AS46559US | 3XNET - ZGX US LLC | 2K | 1 | 8 |
| AS26224US | INCOMM-NET0 - InComm | 2K | — | 5 |
| AS10489US | ARMOUR-AS - Armour Cloud, LLC | 2K | — | 8 |
| AS55056US | CBC-ISPA-CUSTFACING - Central Bancompany, Inc. | 2K | — | 6 |
| AS400258US | HBE-INTERNET - Professional Satellite Service, Inc. | 2K | — | 8 |
| AS13913US | AFFILIATED - Affiliated Monitoring, Inc. | 2K | — | 8 |
| AS12076US | MICROSOFT - Microsoft Corporation | 2K | 6 | 8 |
| AS33069US | AS-BUSINESS-COMMUNICATIONS - BCI | 2K | 65.5K | 3 |
| AS36797US | RURAL-BROADBAND-NETWORK-SERVICES-LLC - Rural Broadband Network Services LLC | 2K | 65.5K | 3 |
| AS32021US | OSOINTERNET - Oso Internet Solutions | 2K | — | 5 |
| AS18439US | NNVHS - Northern Nevada High Speed LLC | 2K | 131.1K | 9 |
| AS16575US | HANOVER-COLLEGE - Hanover College | 2K | — | 1 |
| AS23137US | SATCOM-DIRECT-INC - Satcom Direct Inc. | 2K | — | 2 |
| AS14869US | USTCONLINE - Union Springs Telephone Company | 2K | — | 1 |
| AS400457US | HWL-BROADBAND-01 - Hope Water and Light | 2K | — | 2 |
| AS394973US | AARKI - Aarki, Inc. | 2K | — | 8 |
| AS12243US | WADDELL - Waddell Solutions Group LLC | 2K | 65.8K | 10 |
| AS400615US | DATACANOPY-C1-NVA5 - Data Canopy Colocation, LLC | 2K | — | 8 |
| AS398915US | SHARONTC-NET-1 - Sharon Telephone Company | 2K | 65.5K | 9 |
| AS11365US | CREDI-38-ASN - Credit.com, Inc. | 2K | — | 5 |
| AS13660US | BCBSND-AS - Blue Cross Blue Shield of North Dakota | 2K | — | 1 |
| AS20338US | MYTELASN - My Telepath, Inc | 2K | — | 1 |
| AS54562US | RISE-VOIP - JAB Wireless, INC. | 2K | — | 8 |
| AS32587US | NCH-FTWDC-01 - Frontier Communications of America, Inc. | 2K | — | 4 |
| AS203483US | garmin-emea Garmin International, Inc. | 2K | 2 | 7 |
| AS30309US | IEXPOSURE-AS - Internet Exposure, Inc. | 2K | — | 1 |
| AS46976US | LCPRODASN - Liquidity Connect LLC | 2K | — | 7 |
| AS19320US | FLEX-WDF - Flextronics International USA, Inc. | 2K | — | 4 |
| AS398448US | MFSTNET-AS - THE GENTRY FUND LLC | 2K | 65.5K | 5 |
| AS13437US | INNOVEX - Innovex Solutions LLC | 2K | 256 | 9 |
| AS396298US | ACRETO - Acreto | 2K | 38 | 12 |
| AS26757US | SOLERA-HOLDINGS-EXPANSION-02 - Solera Holdings, LLC | 2K | — | 2 |
| AS32075US | FBL-AS - Iowa Farm Bureau Federation & Affiliated Cos. | 2K | — | 8 |
| AS33751US | BRH - Bartlett Regional Hospital | 2K | — | 1 |
| AS26632US | CONNETRIX-01 - Connetrix | 2K | — | 1 |
| AS26835US | MAPOLCE - M.A. POLCE CONSULTING INC. | 2K | — | 3 |
| AS402482US | ABTS-INTERNET2 - American | 2K | — | 3 |
| AS397641US | ARAMARK-NS2-SCO - ARAMARK | 2K | — | 8 |
| AS401416US | AURA-AS - Aurascape, Inc. | 2K | 512 | 10 |
| AS11463US | KINDREDHEALTHCARE - Kindred Healthcare, Inc. | 2K | — | 4 |
| AS27314US | HIU - Hope International University | 2K | — | 1 |
| AS27409US | ROCKBRIDGE-GLOBAL-VILLAGE - Rockbridge Global Village, Inc. | 2K | — | 1 |
| AS401964US | OUTSCALE-INC - OUTSCALE INC | 2K | — | 1 |
| AS33349US | THE-BANK-OF-NEW-YORK-MELLON-CORPORATION-AS33349 - The Bank of New York Mellon Corporation | 2K | — | 5 |
| AS22422US | BOARD-OF-ELECTIONS-IN-THE-CITY-OF-NEW-YORK - Board of Elections in the City of New York | 2K | — | 1 |
| AS62622US | HOTWI-62622 - Hotwire Communications | 2K | — | 8 |