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POOL.NTP.ORG


NTP POOL PROJECT

 * News
 * How do I use pool.ntp.org?
 * How do I join pool.ntp.org?
 * Information for vendors
 * Community
 * Additional links


TRANSLATIONS

 * Dansk
 * Deutsch
 * English
 * Español
 * Français
 * Italiano
 * Nederlands
 * Norsk (bokmål)
 * Norsk (nynorsk)
 * Português
 * Suomi
 * Svenska
 * Türkçe
 * Ελληνικά
 * Русский
 * Српски
 * Українська
 * हिन्दी
 * 한국어
 * 中文（简体）
 * 日本語
 * 
   (Can you translate?)

 * join the pool
 * use the pool
 * manage servers


pool.ntp.org: public ntp time server for everyone


INTRODUCTION


ACTIVE SERVERS

 * Africa 84
 * Asia 330
 * Europe 2980
 * North America 1061
 * Oceania 170
 * South America 72
 * Global 4396
 * All Pool Servers 4674

As of 2023-12-27

The pool.ntp.org project is a big virtual cluster of timeservers providing
reliable easy to use NTP service for millions of clients.

The pool is being used by hundreds of millions of systems around the world. It's
the default "time server" for most of the major Linux distributions and many
networked appliances (see information for vendors).

Because of the large number of users we are in need of more servers. If you have
a server with a static IP address always available on the internet, please
consider adding it to the system.

The project is maintained and developed by Ask Bjørn Hansen and a great group of
contributors on the mailing lists. The source code for the system is available.

Hosting and bandwidth for the "hub" servers are provided by Equinix Metal.

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NEWS

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 * March 20, 2023
   
   NTP POOL MONITORING V2
   
   This weekend the system that monitors the NTP servers in the NTP Pool got a
   major overhaul! NTP servers are now monitored from a number of monitors
   across the world, usually closer to the server than the single monitor was
   before. One of the most frustrating things about operating an NTP server in
   the NTP Pool was how random network issues far away from the server would
   impact the score. Sometimes cause an email to be sent to the operator about
   potential problems.
   
   Continue Reading →

 * March 12, 2023
   
   THE NTP POOL PROJECT TURNS 20
   
   This year the NTP Pool Project has been serving time to the world for 20
   years! Trillions and trillions of DNS requests have been served to billions
   of clients, with the NTP requests handled by thousands of NTP servers across
   the world day and night. Development on the project ebbs and flows, but
   maintenance and upgrades on the production infrastructure is consistent – and
   constant. Our community is active; and the NTP server operators even more so
   with almost 2,000 operators managing the 3,000 IPv4 NTP IPs and 1,600 IPv6
   IPs active in the system.
   
   Continue Reading →

 * May 25, 2020
   
   WEBSITE COOKIE POLICY
   
   The main website (www.ntppool.org / www.pool.ntp.org) doesn’t set any browser
   cookies. Some access logs are generated strictly for diagnostics purposes. No
   long term storage or analytics on user behavior is attempted. The manage
   website (manage.ntppool.org) sets a cookie on login to track authentication.
   The site also keeps a record of the account information you provide and NTP
   server IPs that are registered. We try hard to not keep any information
   that’s not essential for operating the system.
   
   Continue Reading →

 * September 6, 2019
   
   NTP POOL SERVERS ON KUBERNETES ON PACKET
   
   Packet is awesome.
   
   When we started planning our recent unplanned server move, we investigated
   options for having not one, but two sites, for the “hub” systems for the NTP
   Pool. With 4000 NTP servers and hundreds of millions of clients using the
   system, it really should be a given!
   
   Evaluating our options on a ridiculously short timeframe, Packet stood out as
   an interesting choice, though we were a little apprehensive at first if their
   setup would be too unusual compared to more familiar options.
   
   After a quick chat with some of the friendly staff at Packet, we were off to
   the races to see if we could get everything migrated in less than a week of
   nights and weekends. If we could, we’d be able to move the physical servers
   the following Sunday without downtime to any critical services, and get us
   closer to having proper redundancy.
   
   Working with the Packet system has been fascinating and extremely productive.
   Despite having done this sort of work for several decades, it was a surprise
   how mixing familiar capabilities, APIs and abstractions opened new ways for
   quickly building and managing powerful, reliable and scalable infrastructure.
   
   Continue Reading →

 * September 5, 2019
   
   NEW ACCOUNT FEATURES
   
   The beta site has been updated with new features for managing the accounts.
   Until now each server had to be associated with just one user login. In the
   new system servers are associated with an account that can have multiple user
   logins. If you can, please try it out and post bug reports or suggestions in
   the development forum or via email.
   
   Continue Reading →

 * Older news...


LINKS

 * Terms of service
 * NTP home - the website about ntp
 * The NTP Pool DNS server uses GeoIP data from MaxMind to help choose an NTP
   server from the Pool.
 * Meinberg, makers of incredibly fine time server systems.
 * The Public servers abuse and the Fixing the NTP server abuse problem threads
   on the comp.protocols.time.ntp newsgroup have caused this project to be
   started.

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