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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 |
| — |
| — |
| 0 |
| AS398516US | DNIC-ASBLK-4BYTE - United States Department of Defense DoD | — | — | 0 |
| AS398521US | DNIC-ASBLK-4BYTE - United States Department of Defense DoD | — | — | 0 |
| AS398530US | DNIC-ASBLK-4BYTE - United States Department of Defense DoD | — | — | 0 |
| AS398597US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398601US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398607US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398632US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS398646US | SPRYSERVERS - Spry Servers, LLC | — | — | 0 |
| AS398685US | NXP-BUILD - Willis Towers Watson | — | — | 0 |
| AS398925US | TAREKCLOUD-US - TarekWell LLC | — | — | 0 |
| AS398974US | MORGAN-ASN-EV-3 - Morgan Stanley | — | — | 0 |
| AS399038US | ATSG-HQNET-01 - AIR TRANSPORT SERVICES GROUP, Inc | — | — | 0 |
| AS399117US | GLI-CAR-DC1 - Greyhound Lines, Inc. | — | — | 0 |
| AS399178US | SECURITYSERVICES - Vercara, LLC | — | — | 0 |
| AS399191US | HIMS-NIDO-GBL - Hims, Inc. | — | — | 0 |
| AS399335US | DATATENANT-BETTENDORF-ASN - DataTenant, LLC | — | — | 0 |
| AS399395US | SURFBROADBAND-MI-BYCTR - Surf Air Wireless, LLC | — | — | 0 |
| AS399471US | AS-DESEQUITY - Des Equity LLC | — | — | 0 |
| AS399564US | GC-ASN-1 - Granite Construction Inc. | — | — | 0 |
| AS399666US | EVERVAULT - Evervault | — | — | 0 |
| AS399689US | MINGAN-001 - MINGAN INC | — | — | 0 |
| AS399709US | GOCO-FL-TX - GOCO Wireless, INC | — | — | 0 |
| AS399783US | RELLIS-NET - Texas A&M University System RELLIS Campus | — | — | 0 |
| AS399811US | LAER-AS-AMS1 - UnitedLayer, LLC | — | — | 0 |
| AS399839US | ROCKION-ASN1 - Rockion LLC | — | — | 0 |
| AS399865US | COSMIC - Cosmic Wireless LLC | — | — | 0 |
| AS400070US | HURLL-LABS-NET01 - HahnURL | — | — | 0 |
| AS400084US | CSLSL-EMEDNY-PUBLIC - CSRA State and Local Solutions LLC | — | — | 0 |
| AS400123US | TRANSCOM-CLOUD10-US-ASN-01 - Cloud 10 Corp. | — | — | 0 |
| AS400124US | HIRAM - Apogee Telecom Inc. | — | — | 0 |
| AS400187US | EJ-PUBLIC-02 - Edward D. Jones & Co., L.P. | — | — | 0 |
| AS400360US | SIGLER-MAIN - Russell Sigler, Inc. | — | — | 0 |
| AS400482US | NMRN - New Mexico Lambda Rail, Inc. | — | — | 0 |
| AS400534US | MIFCU - MICHIGAN FIRST CREDIT UNION | — | — | 0 |
| AS400617US | CITY-OF-FOUNTAIN-CO - City of Fountain | — | — | 0 |
| AS400664US | CRI-US-ASN3894236 - CrossRealms International Inc | — | — | 0 |
| AS400677US | GHW-68-64-95-0-COLO - Great Healthworks, Inc | — | — | 0 |
| AS400789US | STREAMLINE - Streamline | — | — | 0 |
| AS400826US | HCDL-ALBUQUERQUE-DATA-CENTER - H5 Data Centers | — | — | 0 |
| AS401059US | METHOD-FINANCIAL - Method Financial | — | — | 0 |
| AS401091US | PIXEL - PixelCrafters Limited | — | — | 0 |
| AS401139US | PRIVATE-NETWORK - PRIVATE NETWORKS LLC | — | — | 0 |
| AS401143US | BYTEBROADBAND - BYTE BROADBAND, LLC | — | — | 0 |
| AS401302US | ZOOT-BZN - Zoot Enterprises, Inc. | — | — | 0 |
| AS401308US | NOMAD-AIR - Nomad Air, LLC | — | — | 0 |
| AS401499US | SEAC-TMF-01 - SEAC Network Solutions LLC | — | — | 0 |