Robtex

Up: 188.172.132.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 188.172.132.0/24
Down right: 188.172.133.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.172.132.1	A+PTR	proxy.vip.pod10.dub1.zdsys.com
188.172.132.1	A	candycrush.zendesk.com
188.172.132.1	A	primarkstores.zendesk.com
188.172.132.2	PTR	188-172-132-2.ctelnetco.com
188.172.132.2	A	mail.pod-10.int.zendesk.com
188.172.132.9	A	zdusercontent.vip.pod10.dub1.zdsys.com
188.172.132.66	A	support.ean.com