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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 | 3,136 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 210.5M | 20,721 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 638 |
| AS721US | DNIC-ASBLK-00721-00726 - United States Department of Defense (DoD) | 73.1M | 229 |
| AS7922US | COMCAST-7922 - Comcast Cable Communications, LLC |
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.
| 68.3M |
| 366 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 66.4M | 1,106 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 47.9M | 3,574 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,926 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.2M | 4,508 |
| — |
| — |
| 0 |
| AS4384US | MULTI-NET - Husky Labs, Inc. | — | — | 0 |
| AS4394US | DSI-CUST-BLK2 - Houston Associates, Inc. | — | — | 0 |
| AS4349US | DNIC-ASBLK-04328-04351 - Headquarters, USAISC | — | — | 0 |
| AS54852US | F4-NETWORKS - F4 Networks | — | 1M | 3 |
| AS5754US | PIXINET1 - Pacific Information Exchange, Inc. | — | — | 0 |
| AS6589US | ROZINT - Rozint | — | — | 0 |
| AS6624US | TYLERVAULT - Tyler Vault | — | — | 0 |
| AS6552US | C2NET - Community ConneXion, Inc. | — | — | 0 |
| AS11944US | LTC-1 - LaValle Telephone Cooperative | — | 256 | 1 |
| AS399657US | PASADENA-CITY-COLLEGE - Pasadena City College | — | — | 0 |
| AS6388US | BELLSOUTH-NET-BLK - AT&T Enterprises, LLC | — | — | 0 |
| AS6311US | OXNET-6311 - FirstLight Fiber, Inc. | — | — | 0 |
| AS399236US | HYPER - Hypercom | — | — | 0 |
| AS399474US | NIGHTSCPAE-TECH - Nightscape Tech, LLC | — | — | 0 |
| AS5798US | SUPERLATIVE - Superlative, Inc. | — | — | 0 |
| AS399316US | SUNRISEFL-ASN-101 - City of Sunrise | — | — | 0 |
| AS401574US | WIFIRESAS01 - Wifires Communications, LLC | — | 81.9K | 2 |
| AS1986US | DNIC-AS-01986 - Navy Network Information Center (NNIC) | — | — | 0 |
| AS398595US | CHARTER-BGP-INFRASTRUCTURE - Charter Communications LLC | — | — | 0 |
| AS401286US | POWEREDGE-PROVIDER - PowerEdge Network, LLC | — | — | 0 |
| AS401278US | ZGOVPS - ZgoShop, Inc. | — | — | 0 |
| AS398526US | DNIC-ASBLK-4BYTE - United States Department of Defense (DoD) | — | — | 0 |
| AS400997US | AS-WIALON-US - Gurtam Inc. | — | — | 0 |
| AS400857US | POLKSTATECOLLEGE - Polk State College | — | — | 0 |
| AS210347US | ARROWBLACKLLC ARROWBLACK LLC | — | 2 | 2 |
| AS7912US | STATEFARMINSCO - State Farm Mutual Automobile Insurance Company | — | — | 0 |
| AS7166US | C-ECOMM - C-E Communications | — | — | 0 |
| AS396303US | NATOLAB-LEGACY - Black Mesa Corporation | — | 258 | 3 |
| AS5930US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |
| AS7171US | EA-ONLINE-DC13 - Electronic Arts, Inc. | — | — | 0 |
| AS7130US | THEMALL - Internet in a Mall, Inc | — | — | 0 |
| AS7113US | NFIC-AS - New Frontiers Information Corp. | — | — | 0 |
| AS10305US | VERINET - Verinet Communications, Inc. | — | — | 0 |
| AS8089US | GRYPHONNETWORKS - GRYPHON NETWORKS CORP. | — | — | 0 |
| AS10270US | NECROMIUM - Idex Technologies | — | — | 0 |
| AS402406US | LINQ-APP - Linq | — | 1 | 1 |
| AS13696US | GLOBAL-X-NETWORK - NetFuture Technology LLC | — | 22 | 7 |
| AS8064US | UABMC - University of Alabama at Birmingham Medical Center | — | — | 0 |
| AS8003US | LUNA-NETWORKS - Luna USA, LLC | — | — | 0 |
| AS7981US | DIGIMARK - DigiMark | — | — | 0 |
| AS6177US | COGENT-6177 - Cogent Communications, LLC | — | — | 0 |
| AS6230US | GANET - Global Access Network | — | — | 0 |
| AS6096US | SYSNET-1 - Sysnet Corp | — | — | 0 |
| AS214974US | ZEROTECH-AS ZEROTECH CLOUD LLC | — | 1 | 1 |
| AS6427US | HURRICANE-ELEC - Hurricane Electric LLC | — | — | 0 |
| AS5881US | DNIC-ASBLK-05800-06055 - United States Department of Defense (DoD) | — | — | 0 |