Robtex

Up: 202.64.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 202.64.80.0/23
Down right: 202.64.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
202.64.80.10	A+PTR	mail.melchers.com.hk
202.64.80.11	A+PTR	mail.melchers.com.cn
202.64.80.24	A+PTR	webmail.melchers.com.hk
202.64.80.25	A+PTR	webmail.melchers.com.cn
202.64.81.2	PTR	parawin.com.hk
202.64.81.4	PTR	parawinhk.com
202.64.81.4	A	parawinsrv01.parawinhk.com
202.64.81.162	A	mail.mtrproperty.com
202.64.81.165	A	promit.com.hk
202.64.81.165	A	pmditns2.promit.com.hk
202.64.81.198	A	mx1.olympiahk.com
202.64.81.200	A	mx2.olympiahk.com
202.64.81.200	A	hksvmil2.elitecorp.com
202.64.81.200	A	mail2.elitecorp.com
202.64.82.4	PTR	mail.kansaifelt.com.hk
202.64.82.50	PTR	mail.hansa.hk
202.64.82.55	PTR	mail.hansahk.com
202.64.82.62	PTR	mail.chinawin.com.hk
202.64.82.118	PTR	mail.jetco.com.hk
202.64.82.181	PTR	main.hokoon.edu.hk
202.64.82.194	PTR	mail.kfbg.org
202.64.82.196	A	mail.fullcircle.hk
202.64.82.196	A	mail.kfbg.org
202.64.83.12	A	eprotel.com.hk
202.64.83.91	A	ns2.eprotel.hk
202.64.83.92	PTR	mail.eprotel.com.hk
202.64.83.92	A	ns1.eprotel.hk
202.64.83.94	A	eprojobs.com
202.64.83.94	A	mail.eprotel.hk
202.64.83.101	A	ipaneldisplay.com.cn
202.64.83.101	A	longer.cc
202.64.83.101	A	ipaneldisplay.cn
202.64.83.108	A	massage-sport.com
202.64.83.108	A	yzyhmfj.com
202.64.83.108	A	www.pvcbags.net