Data as of Nov 9, 2026
Autonomous system

AS293

ESnet

Announces 140,288 addresses in 27 prefixes. None of it is anonymizer space.

Type
Education
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
134.55.0.0/16
since Jun 2023
Business
134.167.0.0/16
since Mar 2020
BusinessY-12 National Security Complex
192.74.210.0/24
since Aug 2025
Business
192.74.214.0/23
since Apr 2026
Business
192.74.217.0/24
since Aug 2025
Business
192.107.175.0/24
since Jun 2019
BusinessDepartment of Energy, Office of Scientific and Technical Information
192.124.50.0/23
since Aug 2025
Business
192.124.52.0/22
since Aug 2025
Business
192.124.52.0/24
since Jun 2026
Business
192.124.53.0/24
since Jun 2026
Business
192.124.56.0/22
since Aug 2025
Business
192.188.23.0/24
since Aug 2025
Business
192.188.24.0/22
since Jul 2018
Business
via ESnet
192.188.28.0/24
since Aug 2025
Business
192.188.29.0/24
since Jul 2024
Business
192.188.31.0/24
since Aug 2025
Business
192.188.32.0/23
since Aug 2025
Business
192.188.34.0/24
since Mar 2025
Business
192.188.37.0/24
since Aug 2025
Business
192.188.40.0/23
since Aug 2025
Business
198.99.246.0/24
since Mar 2021
BusinessDepartment of Energy National Energy Technology Laboratory
198.207.238.0/24
since Jun 2021
BusinessU.S. Department of Energy, Oak Ridge Operations
199.201.153.0/24
since Jun 2021
BusinessU.S. Department of Energy, Oak Ridge Operations
199.201.154.0/24
since Jun 2021
BusinessU.S. Department of Energy, Oak Ridge Operations
199.201.155.0/24
since Jun 2021
BusinessU.S. Department of Energy, Oak Ridge Operations
199.201.157.0/24
since Jun 2021
BusinessU.S. Department of Energy, Oak Ridge Operations
199.201.158.0/24
since Jun 2021
BusinessU.S. Department of Energy, Oak Ridge Operations

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it