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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 | 21,163 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,245 |
| 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 | 398 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,708 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,952 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,420 |
| — |
| — |
| 0 |
| AS6967US | AS6967 - Metronet | — | — | 0 |
| AS6969US | N2K-ASN - N2K Inc. | — | — | 0 |
| AS6974US | ROSS-ASN - Ross Technology, Inc. | — | — | 0 |
| AS6988US | STREAM - Stream International | — | — | 0 |
| AS6990US | ONE-O - One-O, Inc. | — | — | 0 |
| AS6997US | SILLS-AS - SILLS CUMMIS EPSTEIN & GROSS | — | — | 0 |
| AS7069US | NORTH-AMERICAN-INT - North American Internet, Inc. | — | — | 0 |
| AS7092US | ICIGAMES - INTERACTIVE CREATIONS INC. | — | — | 0 |
| AS7113US | NFIC-AS - New Frontiers Information Corp. | — | — | 0 |
| AS7130US | THEMALL - Internet in a Mall, Inc | — | — | 0 |
| AS7159US | NTTCNET - New Trier Technology Cooperative | — | — | 0 |
| AS7161US | CENTURYLINK-QC-MOE-WYOMING - CenturyLink Communications, LLC | — | — | 0 |
| AS7166US | C-ECOMM - C-E Communications | — | — | 0 |
| AS7171US | EA-ONLINE-DC13 - Electronic Arts, Inc. | — | — | 0 |
| AS7197US | SMS - Siemens Medical Services | — | — | 0 |
| AS7208US | MEGANET - MegaNet | — | — | 0 |
| AS7216US | RJL-AS - RjL Systems | — | — | 0 |
| AS7228US | AS-PAETEC-NET - Windstream Communications LLC | — | — | 0 |
| AS7267US | GLOBALCOMMERCE - Global Commerce Link, LLC | — | — | 0 |
| AS7405US | GENUITY-XATL - Genuity Inc. | — | — | 0 |
| AS7427US | MKTSYS - Market Systems International | — | — | 0 |
| AS7431US | EGIX-CHAMPAIGN-AS - Altafiber | — | — | 0 |
| AS7779US | LD - Loren Data Corp. | — | — | 0 |
| AS7814US | CNS-NETWORK - Chenango Net Services | — | — | 0 |
| AS7882US | SPRINT-HAWAII - Sprint Hawaii | — | — | 0 |
| AS7912US | STATEFARMINSCO - State Farm Mutual Automobile Insurance Company | — | — | 0 |
| AS7929US | WETWARE - Wetware Services | — | — | 0 |
| AS7948US | GEOPLEX - AT&T | — | — | 0 |
| AS7981US | DIGIMARK - DigiMark | — | — | 0 |
| AS8003US | LUNA-NETWORKS - Luna USA, LLC | — | — | 0 |
| AS8028US | PROAXIS - ProAxis Communications, Inc. | — | — | 0 |
| AS8044US | SELECT-AS - Select Ticketing Systems Inc. | — | — | 0 |
| AS8050US | DNC-AS - Direct NET Communications | — | — | 0 |
| AS8064US | UABMC - University of Alabama at Birmingham Medical Center | — | — | 0 |
| AS8089US | GRYPHONNETWORKS - GRYPHON NETWORKS CORP. | — | — | 0 |
| AS8098US | IFN - Internet Financial Group | — | — | 0 |
| AS8112US | VRIS-8112-8115 - Verizon Business | — | — | 0 |
| AS8120US | BESTWEB - FirstLight Fiber, Inc. | — | — | 0 |
| AS8123US | POLYBASE - Polybase | — | — | 0 |
| AS8154US | GTC - Gulf Telephone Company | — | — | 0 |
| AS8170US | MICROAGE - MicroAge Computer Centers, Inc. | — | — | 0 |
| AS10270US | NECROMIUM - Idex Technologies | — | — | 0 |
| AS10300US | NETSPEAK - NetSpeak Corporation | — | — | 0 |
| AS10305US | VERINET - Verinet Communications, Inc. | — | — | 0 |
| AS10335US | RELAYTECH - Relay Technology, Inc | — | — | 0 |
| AS10451US | WARPDRIVE - Warpdrive Networks | — | — | 0 |