# Built-in Measurements

Whenever a host connects a RIPE Atlas probe, it automatically starts executing a set of pre-defined measurements. In our terminology these are called "built-in measurements". The probe's network capabilities determine if these measurements are scheduled over IPv4, IPv6 or both.

The set of built-in measurements contain ping, traceroute, DNS, SSL/TLS and some HTTP types, mostly towards well-known targets such as DNS root servers, but also towards some of the RIPE Atlas infrastructure components.

This page describes what measurements are scheduled, and how you can access the results of these.

# Accessing the Results

The host of a particular probe can access the results of built-in measurements of their own probe(s) via the Built-in Measurements tab on the probe status page. One can find a Log Downloads section at the bottom of the page.

The same data is also accessible via the "result" section of the measurement REST API as well as the streaming API.

# List of Built-In Measurements

The following table lists built-in measurements and their unique measurement ID, ordered by measurement type.

# Ping (1,000 - 4,999)

  • Protocol: IPv4
  • Interval: 240 seconds
All Measurement ids and Targets
Msm id Target
1009 (opens new window) a.root-servers.net
1010 (opens new window) b.root-servers.net
1011 (opens new window) c.root-servers.net
1012 (opens new window) d.root-servers.net
1013 (opens new window) e.root-servers.net
1004 (opens new window) f.root-servers.net
1014 (opens new window) g.root-servers.net
1015 (opens new window) h.root-servers.net
1005 (opens new window) i.root-servers.net
1016 (opens new window) j.root-servers.net
1001 (opens new window) k.root-servers.net
1008 (opens new window) l.root-servers.net
1006 (opens new window) m.root-servers.net
1030 (opens new window) ctr-ams02.atlas.ripe.net
1031 (opens new window) ctr-ams03.atlas.ripe.net
1029 (opens new window) ctr-ewr01.atlas.ripe.net
1028 (opens new window) ctr-fnc01.atlas.ripe.net
1017 (opens new window) ctr-nue13.atlas.ripe.net
1019 (opens new window) ctr-nue17.atlas.ripe.net
1027 (opens new window) ctr-sin02.atlas.ripe.net
  • AddressFamily: IPv6
  • Interval: 240 seconds
All Measurement ids and Targets
Msm id Target
2009 (opens new window) a.root-servers.net
2010 (opens new window) b.root-servers.net
2011 (opens new window) c.root-servers.net
2012 (opens new window) d.root-servers.net
2013 (opens new window) e.root-servers.net
2004 (opens new window) f.root-servers.net
2014 (opens new window) g.root-servers.net
2015 (opens new window) h.root-servers.net
2005 (opens new window) i.root-servers.net
2016 (opens new window) j.root-servers.net
2001 (opens new window) k.root-servers.net
2008 (opens new window) l.root-servers.net
2006 (opens new window) m.root-servers.net
2030 (opens new window) ctr-ams02.atlas.ripe.net
2031 (opens new window) ctr-ams03.atlas.ripe.net
2029 (opens new window) ctr-ewr01.atlas.ripe.net
2028 (opens new window) ctr-fnc01.atlas.ripe.net
2017 (opens new window) ctr-nue13.atlas.ripe.net
2019 (opens new window) ctr-nue17.atlas.ripe.net
2027 (opens new window) ctr-sin02.atlas.ripe.net

# Traceroute (5,000 - 6,999)

  • AddressFamily: IPv4
  • Interval: 1800 seconds
All Measurement ids and Targets
Msm id Meaning / Target
5009 (opens new window) a.root-servers.net
5010 (opens new window) b.root-servers.net
5011 (opens new window) c.root-servers.net
5012 (opens new window) d.root-servers.net
5013 (opens new window) e.root-servers.net
5004 (opens new window) f.root-servers.net
5014 (opens new window) g.root-servers.net
5015 (opens new window) h.root-servers.net
5005 (opens new window) i.root-servers.net
5016 (opens new window) j.root-servers.net
5001 (opens new window) k.root-servers.net
5008 (opens new window) l.root-servers.net
5006 (opens new window) m.root-servers.net
5030 (opens new window) ctr-ams02.atlas.ripe.net
5031 (opens new window) ctr-ams03.atlas.ripe.net
5029 (opens new window) ctr-ewr01.atlas.ripe.net
5028 (opens new window) ctr-fnc01.atlas.ripe.net
5017 (opens new window) ctr-nue13.atlas.ripe.net
5019 (opens new window) ctr-nue17.atlas.ripe.net
5027 (opens new window) ctr-sin02.atlas.ripe.net
Msm id Target Interval
5051 (opens new window) topology4.dyndns.atlas.ripe.net (multi-target, UDP) 900 seconds
5151 (opens new window) topology4.dyndns.atlas.ripe.net (multi-target, ICMP) 900 seconds
  • AddressFamily: IPv6
  • Interval: 1800 seconds
All Measurement ids and Targets
Msm id Target
6009 (opens new window) a.root-servers.net
6010 (opens new window) b.root-servers.net
6011 (opens new window) c.root-servers.net
6012 (opens new window) d.root-servers.net
6013 (opens new window) e.root-servers.net
6004 (opens new window) f.root-servers.net
6014 (opens new window) g.root-servers.net
6015 (opens new window) h.root-servers.net
6005 (opens new window) i.root-servers.net
6016 (opens new window) j.root-servers.net
6001 (opens new window) k.root-servers.net
6008 (opens new window) l.root-servers.net
6006 (opens new window) m.root-servers.net
6030 (opens new window) ctr-ams02.atlas.ripe.net
6031 (opens new window) ctr-ams03.atlas.ripe.net
6029 (opens new window) ctr-ewr01.atlas.ripe.net
6028 (opens new window) ctr-fnc01.atlas.ripe.net
6017 (opens new window) ctr-nue13.atlas.ripe.net
6019 (opens new window) ctr-nue17.atlas.ripe.net
6027 (opens new window) ctr-sin02.atlas.ripe.net
Msm id Target Interval
6052 (opens new window) topology6.dyndns.atlas.ripe.net (multi-target, UDP) 900 seconds
6152 (opens new window) topology6.dyndns.atlas.ripe.net (multi-target, ICMP) 900 seconds

# Probe (Dis)connection Events (7001,7002)

id Meaning / Target Interval
7000 (opens new window) Probe connect/disconnect events As they occur
7001 (opens new window) Probe connection log As they occur

# DNS (10,000 - 11,999)

  • Address Family: IPv4
  • Protocol UDP
  • Query Type: SOA
  • Interval: 1800 seconds
All Measurement ids and Targets
Msm id Target
10009 (opens new window) a.root-servers.net
10010 (opens new window) b.root-servers.net
10011 (opens new window) c.root-servers.net
10012 (opens new window) d.root-servers.net
10013 (opens new window) e.root-servers.net
10004 (opens new window) f.root-servers.net
10014 (opens new window) g.root-servers.net
10015 (opens new window) h.root-servers.net
10005 (opens new window) i.root-servers.net
10016 (opens new window) j.root-servers.net
10001 (opens new window) k.root-servers.net
10008 (opens new window) l.root-servers.net
10006 (opens new window) m.root-servers.net
10030 (opens new window) ctr-ams02.atlas.ripe.net
10031 (opens new window) ctr-ams03.atlas.ripe.net
10029 (opens new window) ctr-ewr01.atlas.ripe.net
10028 (opens new window) ctr-fnc01.atlas.ripe.net
10017 (opens new window) ctr-nue13.atlas.ripe.net
10019 (opens new window) ctr-nue17.atlas.ripe.net
10027 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv4
  • Protocol: TCP
  • Query Type: SOA
  • Interval: 1800 seconds
All Measurement ids and Targets
Msm id Target
10109 (opens new window) a.root-servers.net
10110 (opens new window) b.root-servers.net
10111 (opens new window) c.root-servers.net
10112 (opens new window) d.root-servers.net
10113 (opens new window) e.root-servers.net
10104 (opens new window) f.root-servers.net
10114 (opens new window) g.root-servers.net
10115 (opens new window) h.root-servers.net
10105 (opens new window) i.root-servers.net
10116 (opens new window) j.root-servers.net
10101 (opens new window) k.root-servers.net
10108 (opens new window) l.root-servers.net
10106 (opens new window) m.root-servers.net
10130 (opens new window) ctr-ams02.atlas.ripe.net
10131 (opens new window) ctr-ams03.atlas.ripe.net
10129 (opens new window) ctr-ewr01.atlas.ripe.net
10128 (opens new window) ctr-fnc01.atlas.ripe.net
10117 (opens new window) ctr-nue13.atlas.ripe.net
10119 (opens new window) ctr-nue17.atlas.ripe.net
10127 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv4
  • Protocol: UDP
  • Query Type: version.bind
  • Interval: 43200 seconds
All Measurement ids and Targets
Msm id Target
10209 (opens new window) a.root-servers.net
10210 (opens new window) b.root-servers.net
10211 (opens new window) c.root-servers.net
10212 (opens new window) d.root-servers.net
10213 (opens new window) e.root-servers.net
10204 (opens new window) f.root-servers.net
10214 (opens new window) g.root-servers.net
10215 (opens new window) h.root-servers.net
10205 (opens new window) i.root-servers.net
10216 (opens new window) j.root-servers.net
10201 (opens new window) k.root-servers.net
10208 (opens new window) l.root-servers.net
10206 (opens new window) m.root-servers.net
10230 (opens new window) ctr-ams02.atlas.ripe.net
10231 (opens new window) ctr-ams03.atlas.ripe.net
10229 (opens new window) ctr-ewr01.atlas.ripe.net
10228 (opens new window) ctr-fnc01.atlas.ripe.net
10217 (opens new window) ctr-nue13.atlas.ripe.net
10219 (opens new window) ctr-nue17.atlas.ripe.net
10227 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv4
  • Protocol: UDP
  • Query Type: hostname.bind
  • Interval: 240 seconds
All Measurement ids and Targets
Msm id Target
10309 (opens new window) a.root-servers.net
10310 (opens new window) b.root-servers.net
10311 (opens new window) c.root-servers.net
10312 (opens new window) d.root-servers.net
10313 (opens new window) e.root-servers.net
10304 (opens new window) f.root-servers.net
10314 (opens new window) g.root-servers.net
10315 (opens new window) h.root-servers.net
10305 (opens new window) i.root-servers.net
10316 (opens new window) j.root-servers.net
10301 (opens new window) k.root-servers.net
10308 (opens new window) l.root-servers.net
10306 (opens new window) m.root-servers.net
10330 (opens new window) ctr-ams02.atlas.ripe.net
10331 (opens new window) ctr-ams03.atlas.ripe.net
10329 (opens new window) ctr-ewr01.atlas.ripe.net
10328 (opens new window) ctr-fnc01.atlas.ripe.net
10317 (opens new window) ctr-nue13.atlas.ripe.net
10319 (opens new window) ctr-nue17.atlas.ripe.net
10327 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv4
  • Protocol: UDP
  • Query Type: id.server
  • Interval: 1800 seconds
All Measurement ids and Targets
Msm id Target
10409 (opens new window) a.root-servers.net
10410 (opens new window) b.root-servers.net
10411 (opens new window) c.root-servers.net
10412 (opens new window) d.root-servers.net
10413 (opens new window) e.root-servers.net
10404 (opens new window) f.root-servers.net
10414 (opens new window) g.root-servers.net
10415 (opens new window) h.root-servers.net
10405 (opens new window) i.root-servers.net
10416 (opens new window) j.root-servers.net
10401 (opens new window) k.root-servers.net
10408 (opens new window) l.root-servers.net
10406 (opens new window) m.root-servers.net
10430 (opens new window) ctr-ams02.atlas.ripe.net
10431 (opens new window) ctr-ams03.atlas.ripe.net
10429 (opens new window) ctr-ewr01.atlas.ripe.net
10428 (opens new window) ctr-fnc01.atlas.ripe.net
10417 (opens new window) ctr-nue13.atlas.ripe.net
10419 (opens new window) ctr-nue17.atlas.ripe.net
10427 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv4
  • Protocol: UDP
  • Query Type: version.server
  • Interval: 43200 seconds
All Measurement ids and Targets
Msm id Target
10509 (opens new window) a.root-servers.net
10510 (opens new window) b.root-servers.net
10511 (opens new window) c.root-servers.net
10512 (opens new window) d.root-servers.net
10513 (opens new window) e.root-servers.net
10504 (opens new window) f.root-servers.net
10514 (opens new window) g.root-servers.net
10515 (opens new window) h.root-servers.net
10505 (opens new window) i.root-servers.net
10516 (opens new window) j.root-servers.net
10501 (opens new window) k.root-servers.net
10508 (opens new window) l.root-servers.net
10506 (opens new window) m.root-servers.net
10530 (opens new window) ctr-ams02.atlas.ripe.net
10531 (opens new window) ctr-ams03.atlas.ripe.net
10529 (opens new window) ctr-ewr01.atlas.ripe.net
10528 (opens new window) ctr-fnc01.atlas.ripe.net
10517 (opens new window) ctr-nue13.atlas.ripe.net
10519 (opens new window) ctr-nue17.atlas.ripe.net
10527 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv6
  • Protocol: UDP
  • Query Type: SOA
  • Interval: 1800 seconds
All Measurement ids and Targets
Msm id Target
11009 (opens new window) a.root-servers.net
11010 (opens new window) b.root-servers.net
11011 (opens new window) c.root-servers.net
11012 (opens new window) d.root-servers.net
11013 (opens new window) e.root-servers.net
11004 (opens new window) f.root-servers.net
11014 (opens new window) g.root-servers.net
11015 (opens new window) h.root-servers.net
11005 (opens new window) i.root-servers.net
11016 (opens new window) j.root-servers.net
11001 (opens new window) k.root-servers.net
11008 (opens new window) l.root-servers.net
11006 (opens new window) m.root-servers.net
11030 (opens new window) ctr-ams02.atlas.ripe.net
11031 (opens new window) ctr-ams03.atlas.ripe.net
11029 (opens new window) ctr-ewr01.atlas.ripe.net
11028 (opens new window) ctr-fnc01.atlas.ripe.net
11017 (opens new window) ctr-nue13.atlas.ripe.net
11019 (opens new window) ctr-nue17.atlas.ripe.net
11027 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv6
  • Protocol: TCP
  • Query Type: SOA
  • Interval: 1800 seconds
All Measurement ids and Targets
Msm id Target
11109 (opens new window) a.root-servers.net
11110 (opens new window) b.root-servers.net
11111 (opens new window) c.root-servers.net
11112 (opens new window) d.root-servers.net
11113 (opens new window) e.root-servers.net
11104 (opens new window) f.root-servers.net
11114 (opens new window) g.root-servers.net
11115 (opens new window) h.root-servers.net
11105 (opens new window) i.root-servers.net
11116 (opens new window) j.root-servers.net
11101 (opens new window) k.root-servers.net
11108 (opens new window) l.root-servers.net
11106 (opens new window) m.root-servers.net
11130 (opens new window) ctr-ams02.atlas.ripe.net
11131 (opens new window) ctr-ams03.atlas.ripe.net
11129 (opens new window) ctr-ewr01.atlas.ripe.net
11128 (opens new window) ctr-fnc01.atlas.ripe.net
11117 (opens new window) ctr-nue13.atlas.ripe.net
11119 (opens new window) ctr-nue17.atlas.ripe.net
11127 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv6
  • Protocol: UDP
  • Query Type: version.bind
  • Interval: 43200 seconds
All Measurement ids and Targets
Msm id Target
11209 (opens new window) a.root-servers.net
11210 (opens new window) b.root-servers.net
11211 (opens new window) c.root-servers.net
11212 (opens new window) d.root-servers.net
11213 (opens new window) e.root-servers.net
11204 (opens new window) f.root-servers.net
11214 (opens new window) g.root-servers.net
11215 (opens new window) h.root-servers.net
11205 (opens new window) i.root-servers.net
11216 (opens new window) j.root-servers.net
11201 (opens new window) k.root-servers.net
11208 (opens new window) l.root-servers.net
11206 (opens new window) m.root-servers.net
11230 (opens new window) ctr-ams02.atlas.ripe.net
11231 (opens new window) ctr-ams03.atlas.ripe.net
11229 (opens new window) ctr-ewr01.atlas.ripe.net
11228 (opens new window) ctr-fnc01.atlas.ripe.net
11217 (opens new window) ctr-nue13.atlas.ripe.net
11219 (opens new window) ctr-nue17.atlas.ripe.net
11227 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv6
  • Protocol: UDP
  • Query Type: hostname.bind
  • Interval: 240 seconds
All Measurement ids and Targets
Msm id Target
11309 (opens new window) a.root-servers.net
11310 (opens new window) b.root-servers.net
11311 (opens new window) c.root-servers.net
11312 (opens new window) d.root-servers.net
11313 (opens new window) e.root-servers.net
11304 (opens new window) f.root-servers.net
11314 (opens new window) g.root-servers.net
11315 (opens new window) h.root-servers.net
11305 (opens new window) i.root-servers.net
11316 (opens new window) j.root-servers.net
11301 (opens new window) k.root-servers.net
11308 (opens new window) l.root-servers.net
11306 (opens new window) m.root-servers.net
11330 (opens new window) ctr-ams02.atlas.ripe.net
11331 (opens new window) ctr-ams03.atlas.ripe.net
11329 (opens new window) ctr-ewr01.atlas.ripe.net
11328 (opens new window) ctr-fnc01.atlas.ripe.net
11317 (opens new window) ctr-nue13.atlas.ripe.net
11319 (opens new window) ctr-nue17.atlas.ripe.net
11327 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv6
  • Protocol: UDP
  • Query Type: id.server
  • Interval: 1800 seconds
All Measurement ids and Targets
Msm id Target
11409 (opens new window) a.root-servers.net
11410 (opens new window) b.root-servers.net
11411 (opens new window) c.root-servers.net
11412 (opens new window) d.root-servers.net
11413 (opens new window) e.root-servers.net
11404 (opens new window) f.root-servers.net
11414 (opens new window) g.root-servers.net
11415 (opens new window) h.root-servers.net
11405 (opens new window) i.root-servers.net
11416 (opens new window) j.root-servers.net
11401 (opens new window) k.root-servers.net
11408 (opens new window) l.root-servers.net
11406 (opens new window) m.root-servers.net
11430 (opens new window) ctr-ams02.atlas.ripe.net
11431 (opens new window) ctr-ams03.atlas.ripe.net
11429 (opens new window) ctr-ewr01.atlas.ripe.net
11428 (opens new window) ctr-fnc01.atlas.ripe.net
11417 (opens new window) ctr-nue13.atlas.ripe.net
11419 (opens new window) ctr-nue17.atlas.ripe.net
11427 (opens new window) ctr-sin02.atlas.ripe.net
  • Address Family: IPv6
  • Protocol: UDP
  • Query Type: version.server
  • Interval: 43200 seconds
All Measurement ids and Targets
Msm id Target
11509 (opens new window) a.root-servers.net
11510 (opens new window) b.root-servers.net
11511 (opens new window) c.root-servers.net
11512 (opens new window) d.root-servers.net
11513 (opens new window) e.root-servers.net
11504 (opens new window) f.root-servers.net
11514 (opens new window) g.root-servers.net
11515 (opens new window) h.root-servers.net
11505 (opens new window) i.root-servers.net
11516 (opens new window) j.root-servers.net
11501 (opens new window) k.root-servers.net
11508 (opens new window) l.root-servers.net
11506 (opens new window) m.root-servers.net
11530 (opens new window) ctr-ams02.atlas.ripe.net
11531 (opens new window) ctr-ams03.atlas.ripe.net
11529 (opens new window) ctr-ewr01.atlas.ripe.net
11528 (opens new window) ctr-fnc01.atlas.ripe.net
11517 (opens new window) ctr-nue13.atlas.ripe.net
11519 (opens new window) ctr-nue17.atlas.ripe.net
11527 (opens new window) ctr-sin02.atlas.ripe.net

# HTTP (12023, 12027, 13023 & 13027)

  • Protocol: IPv4
Msm ids Meaning / Target Interval
12023 (opens new window) http://www.ripe.net/favicon.ico 900 seconds
12027 (opens new window) http://ip-echo.ripe.net/ 3600 seconds
  • Protocol: IPv6
Msm ids Meaning / Target Interval
13023 (opens new window) IPv6 900 seconds
13027 (opens new window) IPv6 3600 seconds

# SSLCert (14001, 14002, 15001 & 15002)

  • Protocol: IPv4
Msm ids Meaning / Target Interval
14001 (opens new window) https://www.ripe.net/ 43200 seconds
14002 (opens new window) https://atlas.ripe.net/ 43200 seconds
  • Protocol: IPv6
Msm ids Meaning / Target Interval
15001 (opens new window) https://www.ripe.net/ 43200 seconds
15002 (opens new window) https://atlas.ripe.net/ 43200 seconds

# DNS TLDs (30,001 and 30,002)

Msm ids Meaning / Target Interval
30001 (opens new window) DNS A using probe resolvers: random domains 600 seconds
30002 (opens new window) DNS A using probe resolvers: popular domains 600 seconds
Last Updated: Thursday, 4 August 2022