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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 | 3,135 |
| AS16509US | AMAZON-02 - Amazon.com, Inc. | 211.2M | 21,289 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,267 |
| 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 | 3,731 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.8M | 1,972 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,335 |
| — |
| — |
| 0 |
| AS21846US | ESC1AS - Region One Education Service Center | — | — | 0 |
| AS21906US | ZOSCLOUD LLC - ZosCloud LLC | — | — | 0 |
| AS21916US | SKYRIVER - Skyriver Communications, Inc. | — | — | 0 |
| AS21926US | TREASUREISLAND-ASN1 - Treasure Island Colocation, LLC | — | — | 0 |
| AS21971US | TRIMBLEMS - TRIMBLE MOBILE SOLUTIONS | — | — | 0 |
| AS21983US | AURORNET - Big | — | — | 0 |
| AS22045US | NYCERS - New York City Employees' Retirement System | — | — | 0 |
| AS22072US | DEFINITYHEALTH - Definity Health | — | — | 0 |
| AS22114US | BMWCHI - BAKER & MCKENZIE CHICAGO LLC | — | — | 0 |
| AS22143US | APPTI-11-TOP001 - Apptio, Inc. | — | — | 0 |
| AS22206US | GOOD-SAM - Evangelical Lutheran Good Samaritan Society | — | — | 0 |
| AS22235US | AIT-MSP-OPS-HOSTING - AccountabillT | — | — | 0 |
| AS22256US | FIRST-SOUTHWEST - First Southwest Company | — | — | 0 |
| AS22374US | REACH4-DUSON - REACH4 Communications | — | — | 0 |
| AS22402US | NEXTCO-AS - Nextera Communications LLC | — | — | 0 |
| AS22440US | MIAX-MIAMI-INTERNATIONAL-HOLDINGS-2 - Miami International Holdings, Inc | — | — | 0 |
| AS22465US | SMS-MV - Smith Micro Software, Inc. | — | — | 0 |
| AS22510US | BRAINTREE - PayPal, Inc. | — | — | 0 |
| AS22685US | THANK-YOU-JESUS - NetWorthy Consulting Inc | — | — | 0 |
| AS22770US | WHEELS-COM - Wheels, LLC | — | — | 0 |
| AS22786US | ADOBES-AS2 - Adobe Systems Inc. | — | — | 0 |
| AS22806US | WILLISNORTHAMERICA - Willis North America Inc | — | — | 0 |
| AS22829US | WAYLAND - FreedomNet | — | — | 0 |
| AS22858US | GDC4S-GROUP - General Dynamics Mission Systems, Inc. | — | — | 0 |
| AS22879US | SIRUS-AS2 - Sirus, Inc | — | — | 0 |
| AS22918US | VMW-PA-USERS - Avago Technologies U.S. Inc. | — | — | 0 |
| AS22938US | BIGCITY-NET - TPx Communications | — | — | 0 |
| AS22946US | BRIGHTMAIL - Gen Digital Inc. | — | — | 0 |
| AS22988US | SONEPARASN1 - Sonepar Management US, Inc. | — | — | 0 |
| AS23012US | BAYFIELD-WIRELESS - Bayfield Wireless | — | — | 0 |
| AS23014US | COCENTRAL-DSL - Computer Central of Wilson Inc | — | — | 0 |
| AS23035US | FAREPORTAL - Fareportal | — | — | 0 |
| AS23064US | RALEIGH-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |
| AS23101US | PERCEPTA-GW2-AS - Percepta | — | — | 0 |
| AS23129US | SUTTERHEALTH - Sutter Health | — | — | 0 |
| AS23169US | OHIO-IX - OHIO IX | — | — | 0 |
| AS23180US | POWERBROADBAND-TEXAS - POWER BROADBAND | — | — | 0 |
| AS23186US | AZCCU-AS1 - Arizona Central Credit Union | — | — | 0 |
| AS23253US | COMCAST-23253 - Comcast Cable Communications, LLC | — | — | 0 |
| AS23320US | CHARLOTTE-IX-ROUTE-SERVERS - Ninja-IX Corporation | — | — | 0 |
| AS23362US | DATATXT - RELX inc. | — | — | 0 |
| AS23430US | HCCTEL - Hector Communications Corp. | — | — | 0 |
| AS23482US | EVERBRIDGE-PLANETRISK - Everbridge, Inc | — | — | 0 |
| AS23510US | CORPORATE-TECHNOLOGY-GROUP-MONTANA - Client Hub, Inc. | — | — | 0 |
| AS23530US | RDX-NA-DC-AS1 - Remote DBA Experts LLC | — | — | 0 |
| AS24910US | HIGHBRIDGELDN JPMorgan Chase & Co | — | — | 0 |