Robtex

Up: 210.3.36.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.3.36.0/25
Down right: 210.3.36.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.3.36.8	PTR	bbs-8-36-3-210.on-nets.com
210.3.36.10	PTR	bbs-10-36-3-210.on-nets.com
210.3.36.18	A+PTR	mail.somahk.com
210.3.36.19	PTR	somahk.com
210.3.36.20	PTR	somahk.com
210.3.36.21	PTR	somahk.com
210.3.36.22	PTR	somahk.com
210.3.36.23	PTR	somahk.com
210.3.36.24	PTR	somahk.com
210.3.36.25	PTR	somahk.com
210.3.36.34	PTR	bbs-34-36-3-210.on-nets.com
210.3.36.46	PTR	bbs-46-36-3-210.on-nets.com
210.3.36.66	PTR	bbs-66-36-3-210.on-nets.com
210.3.36.66	A	zjwuxia.com
210.3.36.182	PTR	rosearthk.com.hk
210.3.36.182	PTR	mail.rosearthk.com.hk
210.3.36.187	PTR	bbs-187-36-3-210.on-nets.com
210.3.36.239	PTR	bbs-239-36-3-210.on-nets.com
210.3.36.239	A	ns1.cheersrealestate.com.hk
210.3.36.239	A	ns1.rl.com.hk