Robtex

Up: 103.2.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.2.180.0/23
Down right: 103.2.182.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.2.181.83	PTR	mail.zenmtech.com
103.2.181.83	A	zenmino.com
103.2.181.83	A	mail.zenmino.com
103.2.181.90	A+PTR	email.smsystem.com.sg
103.2.181.100	PTR	pi-bb-103-2-181-100.pacificinternet.com
103.2.181.117	PTR	103-2-181-117.revdns.pacificinternet.com
103.2.181.117	A	pronote.lfs.edu.sg
103.2.181.138	A	m.divitia.sg
103.2.181.138	A	m.zixthplay.com
103.2.181.139	A	paih.com.sg
103.2.181.139	A	zixthplay.com
103.2.181.148	PTR	pi-bb-103-2-181-148.pacificinternet.com
103.2.181.149	A+PTR	dmail.dnet.com.sg
103.2.181.149	A	pop.dnet.com.sg
103.2.181.150	PTR	pi-bb-103-2-181-150.pacificinternet.com
103.2.181.150	A	dnet.com.sg
103.2.181.165	PTR	pi-bb-103-2-181-165.pacificinternet.com
103.2.181.165	A	mail.pwsea.com.sg
103.2.181.165	A	webmail.pwsea.com.sg
103.2.181.166	PTR	smtp.asd.sg
103.2.181.168	PTR	103-2-181-168.revdns.pacificinternet.com
103.2.181.168	A	unitedcredit.com.sg
103.2.181.168	A	loqato.com
103.2.181.169	PTR	pi-bb-103-2-181-169.pacificinternet.com
103.2.181.170	PTR	pi-bb-103-2-181-170.pacificinternet.com
103.2.181.243	PTR	pi-bb-103-2-181-243.pacificinternet.com
103.2.181.243	A	fw.pbagroup.net
103.2.181.245	PTR	mail.pbagroup.net
103.2.181.245	A	zimbra.pbasolutions.com
103.2.181.245	A	mail.pba-spindles.com
103.2.181.246	PTR	103-2-181-246.revdns.pacificinternet.com
103.2.182.3	A	w3.lensandmagic.com
103.2.182.28	A+PTR	mail.italmec-industries.com
103.2.182.28	PTR	italmec.com.sg
103.2.182.28	A+PTR	mail.italmec.com.sg
103.2.182.66	PTR	pi-bb-103-2-182-66.pacificinternet.com
103.2.182.68	PTR	103-2-182-68.revdns.pacificinternet.com
103.2.182.68	A	mail.val-technik.com.sg
103.2.182.148	PTR	pi-bb-103-2-182-148.pacificinternet.com
103.2.182.148	A	dns2.isetan.com.sg
103.2.182.149	A+PTR	isetan-fw.isetan.com.sg
103.2.182.149	A	isetanfevm.isetan.com.sg
103.2.182.150	PTR	pi-bb-103-2-182-150.pacificinternet.com
103.2.182.150	A	mailgw1.isetan.com.sg
103.2.182.185	A	ns4.bm-dns.com
103.2.182.227	A+PTR	mars.daikin.com.sg
103.2.182.228	PTR	pi-bb-103-2-182-228.pacificinternet.com
103.2.182.228	A	venus.daikin.com.sg
103.2.182.229	PTR	pi-bb-103-2-182-229.pacificinternet.com
103.2.182.229	A	pluto.daikin.com.sg
103.2.182.230	PTR	pi-bb-103-2-182-230.pacificinternet.com
103.2.182.230	A	www.daikin.com.sg
103.2.182.231	PTR	pi-bb-103-2-182-231.pacificinternet.com
103.2.182.231	A	webmail.daikin.com.sg
103.2.183.67	A+PTR	mx5.asm.com
103.2.183.103	PTR	103-2-183-103.revdns.pacificinternet.com
103.2.183.103	A	sfbedgeaccess-sg.asm.com
103.2.183.104	PTR	103-2-183-104.revdns.pacificinternet.com
103.2.183.104	A	sfbedgeaccess-sg.asm.com
103.2.183.230	A+PTR	tuas.manintl.com.sg
103.2.183.230	A	manintl.com.sg