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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. | 211.1M | 21,138 |
| AS7018US | ATT-INTERNET4 - AT&T Enterprises, LLC | 113.7M | 639 |
| AS8075US | MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | 81.8M | 1,244 |
| 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 | 383 |
| AS396982US | GOOGLE-CLOUD-PLATFORM - Google LLC | 49.3M | 3,674 |
| AS714US | APPLE-ENGINEERING - Apple Inc. | 44.7M | 1,951 |
| AS701US | UUNET - Verizon Business | 43.6M | 1,000 |
| AS174US | COGENT-174 - Cogent Communications, LLC | 37.6M | 4,417 |
| 256 |
| — |
| 1 |
| AS209827US | INFOSECVPN-AS Del Andujar | 256 | — | 1 |
| AS40878US | ADNS-ASN - Advanced Data and Network Solutions, Inc. | 256 | — | 1 |
| AS395243US | SYMBIONETWORK-LLC - Symbionetwork LLC | 256 | 4.1K | 2 |
| AS14785US | BCBSVT-DOT8-ASN - BCBSVT | 256 | — | 1 |
| AS26643US | ACE-002 - Ace Data Centers II, L.L.C. | 256 | — | 1 |
| AS402076US | CMSU - Canon Medical Systems USA, Inc. | 256 | — | 1 |
| AS55234US | PLEXUSSYSTEMS-US2 - ROCKWELL AUTOMATION Inc. | 256 | — | 1 |
| AS398030US | ATFBGP-LIN - ATF, INC. | 256 | — | 1 |
| AS11343US | WHOOP-ASN - Whoop, Inc. | 256 | — | 1 |
| AS400037US | TVT-01 - Tamarack Resort | 256 | — | 1 |
| AS394791US | CITY-OF-SCHERTZ-CS - City of Schertz | 256 | — | 1 |
| AS13731US | ONEIDANATION - Oneida Nation | 256 | 1 | 2 |
| AS23306US | PLASTIPAK-PACKAGING - Plastipak Packaging | 256 | — | 1 |
| AS62585US | MC-NET - Messiah University | 256 | — | 1 |
| AS32166US | TROUTMANSANDERS - Troutman Pepper Locke LLP | 256 | — | 1 |
| AS395550US | PHPC-ASN - PARTNERSHIP HEALTHPLAN OF CALIFORNIA | 256 | — | 1 |
| AS393695US | CRC-AS - Cooperative Response Center | 256 | — | 1 |
| AS33202US | MOORE-VAN-ALLEN - Moore & Van Allen PLCC | 256 | — | 1 |
| AS398206US | BIGSKY-NETWORKS - BigSky Networks, Inc. | 256 | — | 1 |
| AS398551US | CITY-OF-SARASOTA - City of Sarasota, FL | 256 | — | 1 |
| AS33595US | ASCENSION-TNNAS - Ascension Technologies | 256 | — | 1 |
| AS13865US | SFL-255-13865 - Southeastern Freight Lines, Inc. | 256 | — | 1 |
| AS22204US | ACETO - Aceto Corporation | 256 | — | 1 |
| AS393409US | HELLOSPOKE - Voitress | 256 | — | 1 |
| AS402249US | BOLD-UWM-HED - Apogee Telecom Inc. | 256 | — | 1 |
| AS395952US | MARKETLEADER - Constellation Web Solutions, Inc. | 256 | — | 1 |
| AS47097US | AMERIPHARM-INC-DBA-MEDVANTX-PHARMACY-SERVICES - AmeriPharm Inc. | 256 | — | 1 |
| AS394118US | VSSMEDICAL-CT-01 - Sigmund Software, LLC | 256 | 1 | 2 |
| AS1217US | ORACLE-PACRIM-AS - Oracle Corporation | 256 | — | 1 |
| AS23386US | CRYE-LEIKE-REALTORS - Crye Leike Realtors | 256 | — | 1 |
| AS31755US | VISKASE-COMPANIES-INC-ASN - Viskase Companies, Inc. | 256 | — | 1 |
| AS14675US | AS14675-66-128-188-0-SLASH-24 - Plains Commerce Bank | 256 | — | 1 |
| AS54264US | LIFECHURCH - LIFE COVENANT CHURCH, INC | 256 | — | 1 |
| AS20293US | WU - THE WESTERN UNION COMPANY | 256 | — | 1 |
| AS401609US | BAINBRIDGE - Bainbridge Internet Services | 256 | 256 | 2 |
| AS25628US | CDP - Collier County Clerk of the Circuit Court | 256 | — | 1 |
| AS401963US | VVHOSP - VALLEY VIEW HOSPITAL ASSOCIATION | 256 | — | 1 |
| AS36739US | COLLIER-COUNTY-GOVERNMENT-BCC - Collier County Government | 256 | — | 1 |
| AS54892US | AS-CBPP - Center on Budget and Policy Priorities | 256 | — | 1 |
| AS40547US | AERAENERGYLLC - Aera Energy LLC | 256 | — | 1 |
| AS46922US | GCM-ASN - Gladius Capital Management, LP | 256 | — | 1 |
| AS40083US | CENT-SQR-INTERNET - American Traffic Solutions, Inc | 256 | — | 1 |
| AS22231US | CITY-OF-CARMEL-INDIANA - City of Carmel | 256 | — | 1 |
| AS395145US | MCDONOGH - McDonogh School, Inc. | 256 | — | 1 |
| AS400049US | CCGL-US - Credit Corp Solutions Inc | 256 | — | 1 |
| AS398405US | MMH-BGP-01 - Montrose Memorial Hospital | 256 | — | 1 |