Probe server change [SG]

The following probe server will be changing IP addresses on 2017/10/18:

Singapore (SG) – SG is changing from (103.25.202.111 / 2400:c980:0:2:48d:a4ff:fe01:1262) to (103.16.16.30 / 2001:df0:24f:214::10)

Please adjust your firewalls appropriately if you whitelist so your checks do not fail because of the probe IP address change.

An always current and updated list of all the IP addresses for our probe servers can be found in the FAQ

[UPDATE – 2017-10-18 11:45GMT-6] – IP change complete.

Probe Server Change and Addition [FR,MX]

The following probe server will be changing IP addresses on 2017/09/19:

Paris, France (FR) – FR is changing from (37.59.86.248 / 2001:41d0:a:7a50:5:5:9ab9:a412) to (195.154.167.97 / 2001:bc8:2327:110::10)

We’re also adding a new probe to the Latin America region on 2017/09/19:
Mexico City, Mexico (MX) – MX (138.204.171.109)

Please adjust your firewalls appropriately if you whitelist so your checks do not fail because of the probe IP address changes.

An always current and updated list of all the IP addresses for our probe servers can be found in the FAQ

[Update 2017-09-18] – the new probe planned for Mexico will not be added as planned.

[UPDATE – 2017-09-19 10:41GMT-6] – IP change complete.

Probe Server Changes [AZ,CO]

The following probe servers will be changing IP addresses on 2017/07/06:

Phoenix, Arizona (AZ) – AZ is changing from (162.253.177.250 / 2602:fff6:5:fba3::baa6) to (104.245.105.2 / 2602:ff97:0:2:225:90ff:fee5:b89)
Denver, Colorado (CO) – CO is changing from (162.211.64.212 / 2602:fff6:d:e301::10fe) to (173.248.161.42 / 2607:fc88:100:40::2)

Please adjust your firewalls appropriately if you whitelist so your checks do not fail because of the probe IP address changes.

An always current and updated list of all the IP addresses for our probe servers can be found in the FAQ

[UPDATE – 2017-07-06 10:30GMT-6] – IP changes complete.

Probe Server Changes and Addition [IT,FR,TX,OR]

The following probe servers will be changing IP addresses on 2017/05/18:

Milan, Italy (IT) – IT is changing from (95.141.35.64 / 2a02:29e0:1:232::2) to (185.93.183.12 / 2001:ac8:24::40)
Paris, France (FR) – FR is changing only ipv6 from (2001:41d0:d:12ac:1:1:1212:70c1) to (2001:41d0:a:7a50:5:5:9ab9:a412)
Dallas, Texas (TX) – US is changing from (104.200.142.50 / 2607:f7a0:2:0:ec4:7aff:fe15:dcce) to (45.58.61.34 / 2604:6600:2000:c::2)

We’re also adding a new server to the North America region on 2017/05/18:
Portland, Oregon (OR) – US (69.163.39.244 / 2605:ea00:1:1:d267:e5ff:fee7:51c)

We’re also removing one probe from our Latin America region:
Panama (PA) – PA (190.14.37.189)

Please adjust your firewalls appropriately if you whitelist so your checks do not fail because of the probe IP address changes.

An always current and updated list of all the IP addresses for our probe servers can be found in the FAQ

[UPDATE – 2017-05-18 11:30GMT-4] – IP changes and probe addition complete.

Probe Server Changes – [PY,IT]

The following probe servers will be changing IP addresses on 2017/04/04:

Philadelphia, Pennsylvania (PY) – USA is changing from (162.208.50.172 / 2607:2200:0:3701:0:8:0:10) to (154.16.159.242 / 2604:bf00:210:1d::2)
Milan, Italy (IT) – IT is changing from (194.14.179.117 / 2a00:dcc0:eda:89:14:179:4f75:4e2) to (95.141.35.64 / 2a02:29e0:1:232::2)

Please adjust your firewalls appropriately so your checks do not fail because of the probe IP address changes.

An always current and updated list of all the IP addresses for our probe servers can be found in the FAQ

[UPDATE – 2017-04-04 10:57GMT-4] – IP changes complete.

Probe Server Changes – [CA,GA,IL,TX]

The following probe servers will be changing IP addresses on 2017/03/01:

Los Angeles, California (CA) – USA is changing from 162.211.65.254 to 184.170.243.202.
Atlanta, Georgia (GA) – USA is changing from 192.30.32.170 to 66.71.251.162.
Chicago, Illinois (IL) – USA is changing from 162.211.66.130 to  104.128.57.130.
Dallas, Texas (TX) – USA is changing from 107.155.66.30 to 104.200.142.50.

Please adjust your firewalls appropriately so your checks do not fail because of the probe IP address changes.

An always current and updated list of all the IP addresses for our probe servers can be found in the FAQ

[UPDATE – 2017-03-01 10:50GMT-5] – IP changes complete.

Probe Server Changes – [NC,UK]

The following probe servers will be changing IP addresses on 2017/01/18:

North Carolina (NC) is changing from 104.225.1.179 in Cary to 64.187.224.66 in Asheville
England (UK)  will change from 146.185.21.51 in London to 194.187.248.8 in Manchester

Please adjust your firewalls appropriately so your checks do not fail because of the probe IP address changes.

An always current and updated list of all the IP addresses for our probe servers can be found in the FAQ

[UPDATE – 2017-01-17 11:18GMT-5] – IP changes complete.