Robtex

Up: 210.1.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.1.196.0/23
Down right: 210.1.198.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.1.197.242	A	spinteldsl.syd.nerdservers.com.au
210.1.198.96	PTR	mail.bournehr.com
210.1.199.85	PTR	mail.miaccess.com
210.1.199.90	A+PTR	210-1-199-90-cpe.spintel.net.au
210.1.199.90	A	vk2lk.com
210.1.199.90	A	mattrobert.com