Robtex

Up: 203.194.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.194.220.0/23
Down right: 203.194.222.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.194.220.41	A+PTR	smtpout.jumphk3.net
203.194.220.52	PTR	smtpout1.jump.com.hk
203.194.220.52	A	mail.bellabugkids.com
203.194.220.52	A	bellabugkids.com
203.194.220.53	PTR	mail.jumphk3.net
203.194.220.53	A	mail.everfast-rechargeables.com
203.194.220.53	A	www.urban-properties.hk
203.194.220.54	PTR	webmail.macau.com
203.194.220.54	PTR	web4.jumphk2.net
203.194.220.55	PTR	mail.productworks.hk
203.194.220.65	PTR	ded2mail.jumphk2.net
203.194.220.65	A	jumphk2.net
203.194.220.65	A	www.urban-properties.hk
203.194.220.66	PTR	jumphk2.net
203.194.220.66	A	mail.jumphk5.net
203.194.220.67	PTR	web2.jumphk2.net
203.194.220.70	A	www.visionrouge.net
203.194.220.70	A	visionrouge.net
203.194.220.70	A	mail.visionrouge.net
203.194.220.73	A	mx.ww303.com
203.194.220.73	A	mx.chezpatrick.hk
203.194.220.73	A	mx.productworks.hk
203.194.220.74	PTR	ded3mail.jumphk2.net
203.194.220.77	A	mail.jumphk5.net
203.194.220.86	A	mail.hkguide.org
203.194.220.216	A	www.crecchki.org
203.194.220.218	A	writingexpertonline.com
203.194.220.218	A	mail.writingexpertonline.com
203.194.220.218	A	www.writingexpertonline.com
203.194.221.40	PTR	mail.hkwww.com
203.194.221.50	PTR	mail.hkwww.com
203.194.221.52	PTR	mail.hkwww.com
203.194.221.52	A	mail.kaifatfood.com
203.194.223.17	PTR	ge0-1100-gcort7206-02.hk03.iadvantage.net
203.194.223.25	PTR	ge0-1110-gcort7206-02.hk03.iadvantage.net
203.194.223.41	PTR	ge1-0-20-gjurtmx80-06.hk03.iadvantage.net
203.194.223.53	PTR	ge1-0-70-gjurtmx80-05.hk03.iadvantage.net
203.194.223.77	PTR	ge1-0-30-gjurtmx80-05.hk03.iadvantage.net
203.194.223.93	PTR	ge0-3-0250-gcort7206-01.hk03.iadvantage.net
203.194.223.145	PTR	ge1-0-60-gjurtmx80-05.hk03.iadvantage.net
203.194.223.153	PTR	ge1-0-60-gjurtmx80-06.hk03.iadvantage.net