Robtex

Up: 210.0.136.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 210.0.138.0/24
Down right: 210.0.139.0/24

IP	Type	Hostname
210.0.138.14	A+PTR	email.metroradio.com.hk
210.0.138.99	PTR	cobc.org.hk
210.0.138.100	A+PTR	mail.cobc.org.hk
210.0.138.156	A	mail.gii.com.hk
210.0.138.156	A	mail.aal.com.hk
210.0.138.156	A	ns1.aal.com.hk
210.0.138.157	A	ns2.gii.com.hk
210.0.138.173	PTR	mail.comtrad-ind.com
210.0.138.173	PTR	mail.comtradhk.com
210.0.139.162	PTR	mail.gtchk.com.hk
210.0.139.180	A	eserver.pft.com.hk