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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 | 3,138 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,253 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,249 |
| 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.
31,994 autonomous systems registered to United States. Click an AS for detail.
| 73.1M |
| 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC | 68.3M | 413 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,722 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,964 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,301 |
| — |
| — |
| 0 |
| AS53849US | VTC-AS - Vernon Communications Cooperative | — | — | 0 |
| AS53884US | I3-ENTERACLOUD - Enteracloud Solutions | — | — | 0 |
| AS53908US | D3 - Deluxe Laboratories, Inc. | — | — | 0 |
| AS53909US | KIPANYAS - Kipany Productions, LTD. | — | — | 0 |
| AS53976US | EXPEDIENT-EMEA - Expedient | — | — | 0 |
| AS54042US | BL-836-54042 - Buzmo, LLC | — | — | 0 |
| AS54129US | SURESTREAM - SureStream LLC | — | — | 0 |
| AS54165US | AS73981 - NORTHERN ENGRAVING CORPORATION | — | — | 0 |
| AS54176US | AS54176 - JAB Wireless, INC. | — | — | 0 |
| AS54260US | SCIQUEST-ASN - JAGGAER | — | — | 0 |
| AS54401US | ITGNY - Imagineer Technology Group,LLC | — | — | 0 |
| AS54446US | ALLERGAN-1 - Allergan, Inc. | — | — | 0 |
| AS54553US | ONYX-PHARMACEUTICALS - Onyx Pharmaceuticals, Inc. | — | — | 0 |
| AS54557US | VMW-BOSTON - Avago Technologies U.S. Inc. | — | — | 0 |
| AS54569US | MKC-MOUNDRIDGE-AS - MKC | — | — | 0 |
| AS54608US | UDSG-01 - UNIFIED DIGITAL SERVICES GROUP LLC | — | — | 0 |
| AS54653US | WILLIS TOWERS WATSON - Willis Towers Watson | — | — | 0 |
| AS54673US | NYCCO-AS01 - NYC & Company, Inc. | — | — | 0 |
| AS54712US | CI-100-43-212-0 - Color Image Apparel, Inc. | — | — | 0 |
| AS54736US | SUREID-INC - Fortior Solutions | — | — | 0 |
| AS54750US | DASTOR - DaSTOR LLC | — | — | 0 |
| AS54770US | LPS-5 - Black Knight IP Holding Company, LLC | — | — | 0 |
| AS54810US | CSPI-AS1 - CSP, Inc. | — | — | 0 |
| AS54873US | LISS-NET - LISS Consulting Corp. | — | — | 0 |
| AS54922US | ENVESNET-54922 - ENV | — | — | 0 |
| AS55005US | TRANSAM-ASN - Transam Trucking, Inc | — | — | 0 |
| AS55150US | SYNCBAK - Syncbak, Inc. | — | — | 0 |
| AS55168US | ACAB-INC - All Computers Are Brilliant, Inc. | — | — | 0 |
| AS55287US | OKLO - Oklo Inc. | — | — | 0 |
| AS57369US | CLOUDIE-NETWORKS-LLC - Cloudie Networks LLC | — | — | 0 |
| AS62477US | EEXCHANGE-1 - Currenex, Inc. | — | — | 0 |
| AS62734US | CASCADEDIVIDE - Cascade Divide Partners, LLC | — | — | 0 |
| AS62741US | SECOM-VBB - Secom, Inc | — | — | 0 |
| AS62755US | DOTBLOCK-1 - HostRocket.com, Inc. | — | — | 0 |
| AS62806US | CLEAR-CHANNEL-OUTDOOR - Outdoor Management Services, Inc | — | — | 0 |
| AS62842US | AS62842 - Castle & Cooke North Carolina, LLC | — | — | 0 |
| AS62851US | ESOLUTIONS - eDot, LLC | — | — | 0 |
| AS62910US | ENVERASYSTEMS - Envera Systems | — | — | 0 |
| AS62930US | CLOUDFLY-US-01 - Cloudfly Net Inc | — | — | 0 |
| AS63036US | COPPELL-ADMIN - Coppell Independent School District | — | — | 0 |
| AS63049US | FFS-CORP-ASN - First Financial Security, Inc. | — | — | 0 |
| AS63067US | NJ-INET - City National Bank | — | — | 0 |
| AS63088US | PRIME-TESTING - Amazon.com, Inc. | — | — | 0 |
| AS63140US | IGUANA-WORLDWIDE - Iguana Worldwide | — | — | 0 |
| AS63175US | BUFFALO-IAD - Buffalo Studios | — | — | 0 |
| AS63416US | IOS-US - Internet Operating Services of Arizona LLC | — | — | 0 |