Same ping stats few hours later:

Ping statistics to Chaos Datacenter servers:

Pinging 195.82.50.46 with 32 bytes of data:
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Request timed out.
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50
Reply from 195.82.50.46: bytes=32 time=46ms TTL=50

Ping statistics for 195.82.50.46:
Packets: Sent = 21, Received = 20, Lost = 1 (4% loss),
Approximate round trip times in milli-seconds:
Minimum = 46ms, Maximum = 46ms, Average = 46ms

Pinging 195.82.50.51 with 32 bytes of data:
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=45ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49
Reply from 195.82.50.51: bytes=32 time=46ms TTL=49

Ping statistics for 195.82.50.51:
Packets: Sent = 21, Received = 21, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 45ms, Maximum = 46ms, Average = 45ms

Ping statistics to NA Crystal Datacenter servers (to compare):
Pinging 204.2.229.115 with 32 bytes of data:
Reply from 204.2.229.115: bytes=32 time=196ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=196ms TTL=51
Reply from 204.2.229.115: bytes=32 time=196ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=196ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=196ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=196ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51
Reply from 204.2.229.115: bytes=32 time=195ms TTL=51

Ping statistics for 204.2.229.115:
Packets: Sent = 17, Received = 17, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 195ms, Maximum = 196ms, Average = 195ms

It's 00:00 GMT, so it looks like the connection and lag problem mostly happens during peak time of EU players...