ServerStack
AS46652 (ServerStack) announces at least 8 prefixes:
69.55.53.0/24
DigitalOcean, LLC
1970-01-01
NET-69-55-48-0-1
69.55.48.0-69.55.63.255
69.55.57.0/24
141.0.168.0/24
141.0.168.0-141.0.168.255
141.0.171.0/24
141.0.171.0-141.0.171.255
141.0.172.0/22
ServerStack-Amsterdam
141.0.172.0-141.0.175.255
141.0.174.0/24
185.88.180.0/22
US-SERVERSTACK-20150218
185.88.180.0-185.88.183.255
199.4.223.0/24
NET-199-4-223-0-1
199.4.223.0-199.4.223.255
0