Robtex

Up: 203.117.104.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.117.108.0/23
Down right: 203.117.110.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.117.108.12	PTR	12.108.117.203.m1.com.sg
203.117.108.12	A	onelogin.m1.com.sg
203.117.108.22	PTR	22.108.117.203.m1.com.sg
203.117.108.22	A	phr.m1.com.sg
203.117.108.23	PTR	23.108.117.203.m1.com.sg
203.117.108.23	A	svclink.m1.com.sg
203.117.108.24	A	sunperks.m1.com.sg
203.117.108.25	A	rewards.m1.com.sg
203.117.108.29	A	pbbtopup.m1.com.sg
203.117.108.33	PTR	33.108.117.203.m1.com.sg
203.117.108.33	A	www.mobileone.com.sg
203.117.108.33	A	mobile1.com.sg
203.117.108.37	PTR	37.108.117.203.m1.com.sg
203.117.108.37	A	ns02.m1.com.sg
203.117.108.37	A	ns2.m1.com.sg
203.117.108.38	PTR	38.108.117.203.m1.com.sg
203.117.108.38	A	m1music.com.sg
203.117.108.38	A	topup.m1.com.sg
203.117.108.41	A	biztext.m1.com.sg
203.117.108.42	PTR	mail.m1.com.sg
203.117.108.44	PTR	44.108.117.203.m1.com.sg
203.117.108.44	A	connectingtones.m1.com.sg
203.117.108.44	A	csfeedback.m1.com.sg
203.117.108.48	A+PTR	m1shop.com.sg
203.117.108.48	A	m1shop.sg
203.117.108.51	PTR	51.108.117.203.m1.com.sg
203.117.108.51	A	gmfc.miworld.com.sg
203.117.108.52	PTR	smtp.miworld.com.sg
203.117.108.52	A	edasplus.m1.com.sg
203.117.108.53	A+PTR	smtp.m1.com.sg
203.117.108.55	PTR	55.108.117.203.m1.com.sg
203.117.108.55	A	ads.m1.com.sg
203.117.108.59	PTR	m1.com.sg
203.117.108.59	A	mobile1.sg
203.117.108.59	A	m1.sg
203.117.108.62	PTR	62.108.117.203.m1.com.sg
203.117.108.62	A	mmsr.m1.com.sg
203.117.108.88	A	mdm.m1.com.sg
203.117.108.204	A	nes2.m1.com.sg
203.117.108.204	A	mobileone.com.sg
203.117.109.190	PTR	behringwcsg1.behringer.com
203.117.111.2	PTR	mail1.iseas.edu.sg
203.117.111.5	PTR	notes.iseas.edu.sg
203.117.111.6	A	merlion2.iseas.edu.sg
203.117.111.7	PTR	mail.iseas.edu.sg
203.117.111.10	A	msweeper0.iseas.edu.sg
203.117.111.11	A	bookshop.iseas.edu.sg
203.117.111.30	A	vdns.iseas.edu.sg
203.117.111.80	A	ns2.nsnetsrv.biz
203.117.111.107	PTR	smtp.coldwellbankervn.com
203.117.111.147	A	ftp.beyonics.com
203.117.111.147	A	ns1.beyonics.com
203.117.111.149	A	sso.sg.beyonics.com