Robtex

Up: 120.50.42.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 120.50.42.0/25
Down right: 120.50.42.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
120.50.42.4	PTR	mail.spacebe.net
120.50.42.4	A	mail.spacebe.com
120.50.42.5	PTR	5.42.50.120.static.idc.qala.com.sg
120.50.42.5	A	infinityxhange.com
120.50.42.6	A	mailer.sakalnetwork.com
120.50.42.7	PTR	mail.peoplesco.com.sg
120.50.42.8	PTR	ironport2.xangbo.com
120.50.42.9	PTR	mail.mclogi.com.sg
120.50.42.10	A	mail4.xangbo.com
120.50.42.11	PTR	11.42.50.120.static.idc.qala.com.sg
120.50.42.11	A	ns1.cerebronetworks.com
120.50.42.12	PTR	12.42.50.120.static.idc.qala.com.sg
120.50.42.12	A	mail.cerebronetworks.com
120.50.42.12	A	mail1.blueinfinityzone.com
120.50.42.17	A	mail1.yalutrade.com
120.50.42.17	A	mail.xangbo.net
120.50.42.17	A	yalutrade.com
120.50.42.18	A	yarlun.com
120.50.42.18	A	xangbo.com
120.50.42.25	PTR	25.42.50.120.static.idc.qala.com.sg
120.50.42.25	A	virtuallearning.com.sg
120.50.42.28	PTR	28.42.50.120.static.idc.qala.com.sg
120.50.42.28	A	xangbo.com
120.50.42.28	A	mail.algoroi.com
120.50.42.30	A+PTR	mx1.yorktpt.com.sg
120.50.42.37	A	mail.bridgingskies.com
120.50.42.40	A	edata1.sg
120.50.42.43	PTR	43.42.50.120.static.idc.qala.com.sg
120.50.42.43	A	*.goodsasia.com
120.50.42.43	A	edata-bim.com
120.50.42.45	PTR	45.42.50.120.static.idc.qala.com.sg
120.50.42.45	A	vandacare.com
120.50.42.45	A	springleafemployment.com
120.50.42.71	PTR	71.42.50.120.static.idc.qala.com.sg
120.50.42.71	A	bengawansolo.com.sg
120.50.42.71	A	www.bengawansolo.com.sg
120.50.42.73	PTR	darth.iqon-asia.com
120.50.42.73	A	www.celialoe.com
120.50.42.73	A	celialoe.com
120.50.42.78	PTR	78.42.50.120.static.idc.qala.com.sg
120.50.42.103	PTR	lturk-web2.raptorconnect.com
120.50.42.103	A	hotelgoldenvalley.com
120.50.42.103	A	suiteproperty.com.my
120.50.42.104	A+PTR	lturk-web1.raptorconnect.com
120.50.42.105	A+PTR	web-ap.ikofx.com
120.50.42.105	A	lturk-web3.raptorconnect.com
120.50.42.105	A	ns3.raptorconnect.com
120.50.42.109	PTR	109.42.50.120.static.idc.qala.com.sg
120.50.42.109	A	dc-24800fa1.fxcitizen.com
120.50.42.109	A	www.fxcitizen.com
120.50.42.110	PTR	mail.ikofx.com
120.50.42.110	A	ikofx-tw.com
120.50.42.110	A	mail.ikofx-tw.com
120.50.42.120	A	kemilinks.sg
120.50.42.122	PTR	mail.kemilink.com
120.50.42.122	A	mail.kemilink.com.sg
120.50.42.122	A	mail.kemilinks.sg
120.50.42.137	A	www.abulkhairtobacco.com
120.50.42.138	A+PTR	mail3.abulkhairgroup.com
120.50.42.138	A	mail1.abulkhairgroup.com
120.50.42.140	PTR	140.42.50.120.static.idc.qala.com.sg
120.50.42.140	A	mail1.akshipl.com
120.50.42.141	PTR	141.42.50.120.static.idc.qala.com.sg
120.50.42.141	A	abulkhairgroup.com
120.50.42.141	A	dns3.abulkhairgroup.com
120.50.42.142	PTR	142.42.50.120.static.idc.qala.com.sg
120.50.42.142	A	abulkhairgroup.com
120.50.42.142	A	dns4.abulkhairgroup.com
120.50.42.143	PTR	143.42.50.120.static.idc.qala.com.sg
120.50.42.158	A+PTR	mail1.shahcement.com
120.50.42.169	PTR	169.42.50.120.static.idc.qala.com.sg
120.50.42.169	A	keppellog.com.cn
120.50.42.169	A	ns1.keppellog.com
120.50.42.174	PTR	174.42.50.120.static.idc.qala.com.sg
120.50.42.174	A	www.keppeldhcs.com.sg
120.50.42.174	A	www.keppelgas.com
120.50.42.180	PTR	kepland.com.sg
120.50.42.180	A	thinkingunboxed.com.sg
120.50.42.180	A	saigoncentre.com.vn
120.50.42.188	PTR	188.42.50.120.static.idc.qala.com.sg
120.50.42.188	A	keppellandlive.com
120.50.42.188	A	keppellandlife.com
120.50.42.190	PTR	190.42.50.120.static.idc.qala.com.sg
120.50.42.190	A	kloudsco.com
120.50.42.190	A	kloudseamlessspace.com
120.50.42.192	PTR	192.42.50.120.static.idc.qala.com.sg
120.50.42.196	A+PTR	mx1.seastarnet.com
120.50.42.197	A	mx2.seastarnet.com
120.50.42.197	A	mx3.seastarnet.com
120.50.42.197	A	mx.seastarnet.com
120.50.42.198	A+PTR	hermes.seastarnet.com
120.50.42.198	A	siw-eng.com
120.50.42.198	A	mail.kreatifbersama.com
120.50.42.199	A	jfmail.seastarnet.com
120.50.42.199	A	puma.seastarnet.com
120.50.42.200	A+PTR	fox.seastarnet.com
120.50.42.200	A	qianding.com
120.50.42.200	A	seastarnet.com
120.50.42.204	A	rex.seastarnet.com
120.50.42.206	A+PTR	whale.seastarnet.com
120.50.42.206	A	tangkasroyal2.com
120.50.42.208	PTR	leo.seastarnet.com
120.50.42.215	PTR	sg.job-q.com
120.50.42.220	PTR	host.seastarnet.com
120.50.42.220	A	spickify.com
120.50.42.229	PTR	host.seastarnet.com
120.50.42.229	A	smsbiz.com.my
120.50.42.229	A	ck10.org
120.50.42.240	PTR	tiger.seastarnet.com
120.50.42.240	A	mail.quncivillas.com
120.50.42.240	A	atmosphere-aircon.com
120.50.42.241	PTR	mx1.seastarnet.com
120.50.42.242	PTR	hermes.seastarnet.com
120.50.42.252	A	mail.nicholas-burns.com
120.50.42.253	A+PTR	bridge.seastarnet.com
120.50.42.255	PTR	255.42.50.120.static.idc.qala.com.sg