Robtex

Up: 203.80.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.80.248.0/23
Down right: 203.80.250.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.80.248.22	A	maxmind-online.com
203.80.248.38	PTR	203080248038.static.ctinets.com
203.80.248.38	A	ns1.eastconcept.com.hk
203.80.248.90	A	mail.gianthope.com
203.80.248.102	A	203080248102.static.ctinets.com
203.80.248.102	A	www.freedomtravel.com.hk
203.80.248.114	A	203080248114.static.ctinets.com
203.80.248.206	A	mail.hip-sing.com
203.80.248.206	A	mail1.hip-sing.com
203.80.248.206	A	hip-sing.com
203.80.248.210	A	mail2.hip-sing.com
203.80.248.222	PTR	203080248222.static.ctinets.com
203.80.248.222	A	iconplatform.com
203.80.248.222	A	iconeric.com
203.80.249.6	PTR	mmm.com.hk
203.80.249.25	PTR	203080249025.static.ctinets.com
203.80.249.25	A	atlinks.com
203.80.250.35	PTR	203080250035.static.ctinets.com
203.80.250.35	A	ns2.ringus-solution.com
203.80.250.42	PTR	203080250042.static.ctinets.com
203.80.250.42	A	tangyulap-for-legco.com
203.80.250.42	A	hkitaudit.com
203.80.250.46	PTR	203080250046.static.ctinets.com
203.80.250.46	A	hoeone.com
203.80.250.48	A+PTR	203080250048.static.ctinets.com
203.80.250.48	A	www.hkish.com
203.80.250.48	A	hkish.com
203.80.250.57	A	goodsight.hk
203.80.250.57	A	www.goodsight.hk
203.80.250.60	PTR	mail.ringus-solution.com
203.80.250.90	A+PTR	203080250090.static.ctinets.com
203.80.250.90	A	mail.polyhongkong.com.hk
203.80.250.90	A	ns2.polyhongkong.com.hk
203.80.250.114	PTR	203080250114.static.ctinets.com
203.80.250.114	A	www.cys.edu.hk
203.80.250.117	A+PTR	203080250117.static.ctinets.com
203.80.250.117	A	cys.edu.hk
203.80.250.134	A	203080250134.static.ctinets.com
203.80.250.138	A	203080250138.static.ctinets.com
203.80.250.138	A	mail.craigjo.com
203.80.250.139	A	203080250139.static.ctinets.com
203.80.250.146	PTR	203080250146.static.ctinets.com
203.80.250.146	A	mail.hmecg.com
203.80.250.162	A+PTR	203080250162.static.ctinets.com
203.80.250.171	A	yeeying.com
203.80.250.173	PTR	203080250173.static.ctinets.com
203.80.250.173	A	mail.printone.hk
203.80.250.173	A	www.yeeying.com
203.80.250.187	A	mailserver1.lukfookfinancial.com
203.80.250.187	A	mailserver1.lff.com.hk
203.80.250.212	A	mail.dmahk.com
203.80.250.220	PTR	203080250220.static.ctinets.com
203.80.250.220	A	gateway.dmahk.com
203.80.250.225	A+PTR	203080250225.static.ctinets.com
203.80.250.229	PTR	203080250229.static.ctinets.com
203.80.251.3	A+PTR	203080251003.static.ctinets.com
203.80.251.3	A	saumingps.edu.hk
203.80.251.3	A	www.saumingps.edu.hk
203.80.251.18	PTR	203080251018.static.ctinets.com
203.80.251.18	A	mail.bkidsfun.com
203.80.251.18	A	mail.bbicollectibles.com
203.80.251.20	A+PTR	203080251020.static.ctinets.com
203.80.251.20	A	chusir.net
203.80.251.21	PTR	203080251021.static.ctinets.com
203.80.251.21	A	mail1.blueboxtoys.com
203.80.251.29	A	203080251029.static.ctinets.com
203.80.251.35	A	smtp.tunghinghk.com
203.80.251.35	A	mail.tunghinghk.com
203.80.251.37	PTR	203080251037.static.ctinets.com
203.80.251.49	PTR	203080251049.static.ctinets.com
203.80.251.49	A	mail.tpassion.com
203.80.251.49	A	smtp.tpassion.com
203.80.251.65	PTR	203080251065.static.ctinets.com
203.80.251.65	A	tycy.edu.hk
203.80.251.71	A+PTR	203080251071.static.ctinets.com
203.80.251.77	A	203080251077.static.ctinets.com
203.80.251.81	A+PTR	aagmail.aagenergy.com
203.80.251.81	A	203080251081.static.ctinets.com
203.80.251.131	PTR	203080251131.static.ctinets.com
203.80.251.131	A	gsitd.com
203.80.251.131	A	mail.gsitd.com
203.80.251.135	PTR	203080251135.static.ctinets.com
203.80.251.135	A	newcalculator.com
203.80.251.163	A+PTR	mail.roctec.com
203.80.251.164	A	203080251164.static.ctinets.com
203.80.251.169	A+PTR	203080251169.static.ctinets.com
203.80.251.172	A	203080251172.static.ctinets.com
203.80.251.179	A+PTR	mail.chagroup.com
203.80.251.179	A	www.chagroup.com
203.80.251.182	A	liucert.com
203.80.251.194	PTR	203080251194.static.ctinets.com
203.80.251.194	A	uhcg.hk
203.80.251.194	A	mail1.winston-hk.com
203.80.251.198	A+PTR	203080251198.static.ctinets.com
203.80.251.199	A	203080251199.static.ctinets.com
203.80.251.200	A	johnson-industrial.com
203.80.251.200	A	www.cms.org.hk
203.80.251.200	A	mail1.clydeman.com
203.80.251.201	PTR	203080251201.static.ctinets.com
203.80.251.211	A+PTR	203080251211.static.ctinets.com
203.80.251.221	PTR	203080251221.static.ctinets.com
203.80.251.221	A	mail.sinlong.com
203.80.251.221	A	leeandbee.com
203.80.251.232	A+PTR	203080251232.static.ctinets.com