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 IP Address Changes – [NV, AZ, BR, UK]

The following probe servers will be changing IP addresses on 2015/09/01:
Las Vegas, Nevada (NV) will change from 64.235.39.44 to 199.241.137.152 (we continue to struggle to find a stable host in NV)
Phoenix, Arizona (AZ) will change from 198.20.67.72 to 162.253.177.250
São Paulo, Brazil (BR) will change from 177.67.81.184 to 131.72.55.152
Bristol, England (UK) will change from 37.9.59.21 to 146.185.21.51 (London)

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 – 2015-09-01 12:20GMT-6] – IP changes complete.

Adding Probes to North America and Europe along with an IP Change [DE]

We’re adding three new probes in the North America region and two to the Europe region.
These changes will take place 2014-12-02. Please update your firewalls appropriately.

Phoenix, Arizona (US) – AZ (198.20.67.72)
Kansas City, Kansas (US) – KS (173.208.220.194)
New York City, New York (US) – NY (168.235.67.200)

Paris, France (FR) – FR (5.196.125.25)
Budapest, Hungry (HU) – HU (79.120.211.210)

In addition, we have one IP change to our current probe in Germany:
DE will change from 94.249.196.145 to 62.113.242.111

As always, a current list of all the IP addresses for our probe servers can be found in the FAQ.

[UPDATE – 2014-12-02 11:28GMT-7] – New probes are online and IP change for DE is complete.