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.

Probe Server IP Address Change – [PY]

Our probe in Philadelphia, Pennsylvania, USA, will be changing IP addresses on 2016/12/07:
Philadelphia, Pennsylvania (PY) is changing from 162.208.48.232 to 162.208.50.172.

Please adjust your firewalls appropriately 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 – 2016-12-07 17:39GMT-5] – IP change complete.

Probe Server IP Address Change – [DE]

Our probe in Frankfurt, Germany will be changing IP addresses on 2016/11/02:
Frankfurt, Germany (DE) is changing from 62.113.242.111 to 5.1.70.107.

Please adjust your firewalls appropriately 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 – 2016-11-02 06:55GMT-4] – IP change complete.

Probe Server Changes – [UT,RO,FL,AM]

The following probe servers will be changing IP addresses on 2016/10/04:
Ogden, Utah USA(UT) will change from 192.154.111.10 to 192.154.102.130
Bucharest, Romania (RO) will change from 77.81.108.115 to 89.45.10.135
Miami, Florida (FL) will change from 107.161.178.251 to 162.254.202.35

We’ll also be adding the following new probe in our East Asia/Oceania region on 2016/10/04:
Melbourne, Australia (AM) will be added – 103.207.28.11

We’ll also be removing the following probe in our Latin America region on 2016/10/04:
Curico, Chile (CL) will be removed – 190.114.254.203

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

Edit 2016-09-28 – Fixed the incorrectly listed the current IP for the Florida probe FL.

[UPDATE – 2016-10-04 23:15GMT-4] – changes complete.

Probe Server IP Address Change – [NC]

Our probe in North Carolina, USA will be changing IP addresses on 2016/8/9:
North Carolina (NC) is changing from 192.111.152.6 in Lenoir to 104.225.1.179 in Cary.

We had some trouble with the previous data center in Lenoir.  It was intercepting all our SMTP checks causing some SMTP services to appear up when they were really down.

Please adjust your firewalls appropriately 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 – 2016-08-09 09:56GMT-4] – IP change complete.