Robtex

Up: 203.80.246.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.80.247.0/25
Down right: 203.80.247.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.80.247.34	A	webmail.qantexcml.com
203.80.247.34	A	mail02.qantexcml.com
203.80.247.115	PTR	203080247115.static.ctinets.com
203.80.247.115	A	china-sail-factory.com
203.80.247.117	A+PTR	mail2.gcglobal.com
203.80.247.117	A	www.gcglobal.com
203.80.247.117	A	mail.gcheadwear.com
203.80.247.164	A	mail.seniorcare.com.hk
203.80.247.174	A+PTR	203080247174.static.ctinets.com
203.80.247.189	A+PTR	corp5.worlddisclosure.com
203.80.247.189	A	mail.irasia.com.hk
203.80.247.189	A	mail.irav.com