Robtex

Up: 103.4.192.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.4.196.0/23
Down right: 103.4.198.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.4.196.51	PTR	fnet51-f196-access.vqbn.com
103.4.196.93	PTR	fnet93-f196-access.vqbn.com
103.4.196.157	PTR	fnet157-f196-access.vqbn.com
103.4.196.255	PTR	fnet255-f196-access.vqbn.com
103.4.197.40	PTR	fnet40-f197-access.vqbn.com
103.4.197.48	PTR	fnet48-f197-access.vqbn.com
103.4.197.94	PTR	fnet94-f197-access.vqbn.com
103.4.197.98	PTR	fnet98-f197-access.vqbn.com
103.4.197.116	PTR	fnet116-f197-access.vqbn.com
103.4.197.128	PTR	fnet128-f197-access.vqbn.com
103.4.197.129	PTR	fnet129-f197-access.vqbn.com
103.4.197.135	PTR	fnet135-f197-access.vqbn.com
103.4.197.185	PTR	fnet185-f197-access.vqbn.com
103.4.197.189	PTR	fnet189-f197-access.vqbn.com
103.4.197.209	PTR	fnet209-f197-access.vqbn.com
103.4.197.229	PTR	fnet229-f197-access.vqbn.com
103.4.198.34	PTR	fnet34-f198-access.vqbn.com
103.4.198.41	PTR	fnet41-f198-access.vqbn.com
103.4.198.42	PTR	fnet42-f198-access.vqbn.com
103.4.198.42	A	lodginghub.com
103.4.198.42	A	nitatransport.com
103.4.198.57	PTR	fnet57-f198-access.vqbn.com
103.4.198.57	A	taknet.sg
103.4.198.58	PTR	fnet58-f198-access.vqbn.com
103.4.198.58	A	www.readystor.com.sg
103.4.198.58	A	readystor.com.sg
103.4.198.66	PTR	fnet66-f198-access.vqbn.com
103.4.198.101	PTR	fnet101-f198-access.vqbn.com
103.4.198.135	PTR	fnet135-f198-access.vqbn.com
103.4.198.135	A	verztec-online.com
103.4.198.135	A	zechariah.verztec.com
103.4.198.136	A	www.sendbox.sg
103.4.198.136	A	sendbox.sg
103.4.198.138	PTR	mail.verztec.com
103.4.198.138	A	verztectravel.com
103.4.198.138	A	verzteclegal.com
103.4.198.140	A	verztec-learn.com
103.4.198.141	A	trainershub.net
103.4.198.141	A	www.trainershub.net
103.4.198.142	PTR	fnet142-f198-access.vqbn.com
103.4.198.142	A	mail.verztec-emarketing.com
103.4.198.145	A	swifttranslate.com
103.4.198.147	PTR	fnet147-f198-access.vqbn.com
103.4.198.147	A	verztec.com
103.4.198.186	PTR	fnet186-f198-access.vqbn.com
103.4.198.192	PTR	fnet192-f198-access.vqbn.com
103.4.198.205	PTR	fnet205-f198-access.vqbn.com
103.4.198.243	PTR	fnet243-f198-access.vqbn.com
103.4.198.253	PTR	fnet253-f198-access.vqbn.com
103.4.198.255	PTR	fnet255-f198-access.vqbn.com
103.4.199.1	PTR	fnet1-f199-access.vqbn.com
103.4.199.5	PTR	fnet5-f199-access.vqbn.com
103.4.199.9	PTR	fnet9-f199-access.vqbn.com
103.4.199.15	PTR	fnet15-f199-access.vqbn.com
103.4.199.30	PTR	fnet30-f199-access.vqbn.com
103.4.199.46	A	ns2.incampus.com.sg
103.4.199.46	A	ns1.incampus.com.sg
103.4.199.50	PTR	fnet50-f199-access.vqbn.com
103.4.199.50	A	mail.transcity-sg.com
103.4.199.50	A	www.incampus.com.sg
103.4.199.51	PTR	fnet51-f199-access.vqbn.com
103.4.199.51	A	mail.isca-speech.org
103.4.199.51	A	isca-speech.org
103.4.199.52	PTR	isca.incampus.com.sg
103.4.199.52	A	www.isca-students.org
103.4.199.52	A	mail.isca-speech.org
103.4.199.55	PTR	fnet55-f199-access.vqbn.com
103.4.199.56	A	www.learnfusion.com
103.4.199.59	PTR	host.incampus.com.sg
103.4.199.59	A	safetybanners.sg
103.4.199.59	A	sgincampus.com
103.4.199.71	PTR	fnet71-f199-access.vqbn.com
103.4.199.72	PTR	fnet72-f199-access.vqbn.com
103.4.199.100	A+PTR	smtp.ymwoo.com.sg
103.4.199.100	A	webmail.ymwoo.com.sg
103.4.199.111	PTR	fnet111-f199-access.vqbn.com
103.4.199.111	A	ymwoo.com.sg
103.4.199.128	PTR	fnet128-f199-access.vqbn.com
103.4.199.133	PTR	fnet133-f199-access.vqbn.com
103.4.199.137	PTR	fnet137-f199-access.vqbn.com
103.4.199.144	PTR	fnet144-f199-access.vqbn.com
103.4.199.179	PTR	mx02.localdns.org
103.4.199.189	PTR	fnet189-f199-access.vqbn.com
103.4.199.200	PTR	fnet200-f199-access.vqbn.com
103.4.199.200	A	starhub.org
103.4.199.214	PTR	fnet214-f199-access.vqbn.com
103.4.199.222	A+PTR	websv02.localdns.org
103.4.199.222	A	bifengtang.com.sg
103.4.199.222	A	pt-tmj.com
103.4.199.223	PTR	localdns.org
103.4.199.230	PTR	fnet230-f199-access.vqbn.com
103.4.199.233	PTR	ns2.localdns.org
103.4.199.243	PTR	fnet243-f199-access.vqbn.com
103.4.199.250	PTR	fnet250-f199-access.vqbn.com
103.4.199.255	PTR	fnet255-f199-access.vqbn.com