First time I have seen Entanet, but I am seeing many more instances of robot behavior coming from apparent ISPs and communications providers.
18.104.22.168 - 22.214.171.124 (RIPE)
ADSL endpoints NAT conections only
All objects pointing at this role have been anonomised to protect the identity of our customers.
UA: "Mozilla/5.0 (compatible; Googlebot/2.1; [google.com
The site that trapped this does not seek any international traffic so 126.96.36.199/15 is blocked.