Robtex

Up: 61.8.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 61.8.244.0/23
Down right: 61.8.246.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.8.244.35	PTR	smtp.plpl.com
61.8.244.35	PTR	smtp.plpl.com.sg
61.8.244.37	A+PTR	smtp.plpl.com.sg
61.8.244.37	A	smtp.plpl.com
61.8.244.37	A	mail.pontiacland.com
61.8.244.97	A	acadns1.acapacific.com.sg
61.8.244.99	A	mail.acapacific.com.sg
61.8.244.99	A	mail1.acapacific.com.sg
61.8.244.230	A	vgate2.hitachi.com.sg
61.8.244.237	A	ns1.mail.thistle.com.my
61.8.244.237	A	peplinkwan1.guocoland.com.sg
61.8.244.237	A	mx0.justcolour-berlin.de
61.8.245.51	A	pridns.sttc.com.sg
61.8.245.52	A	diamond.sttc.com.sg
61.8.245.52	A	sttelemedia.com
61.8.245.52	A	sttgdc.com
61.8.245.62	A	vdns.sttelemedia.com
61.8.245.66	A+PTR	picasso.glencore.com.sg
61.8.245.67	A+PTR	davinci.glencore.com.sg
61.8.245.90	A+PTR	fanta-gate.willowglen.com.sg
61.8.245.241	PTR	mail.worldsportgroup.com.sg
61.8.246.66	PTR	61.8.246-66.unknown.starhub.net.sg
61.8.246.70	A+PTR	smtp.ns.sg
61.8.246.114	A+PTR	mail.network-trainers.com
61.8.246.114	A	network-trainers.com
61.8.246.114	A	rachion-uae.com
61.8.246.115	PTR	mail.rugalnetworking.com
61.8.246.115	A	rugalnetworking.com
61.8.246.116	A+PTR	mail.camelsbacks.com
61.8.246.116	A	camelsbacks.com
61.8.246.117	A+PTR	mail.yeaslinks.com
61.8.246.117	A	yeaslinks.com
61.8.246.118	PTR	mail.cartingme.com
61.8.246.119	PTR	mail.greenyteas.com
61.8.246.120	A+PTR	mail.investsuae.com
61.8.246.120	A	investsuae.com
61.8.247.154	A+PTR	smtp.fullertonhotel.com
61.8.247.154	A	mail.fullertonhotel.com
61.8.247.154	A	mx1.fullertonbayhotel.com
61.8.247.157	A	mx3.fullertonbayhotel.com
61.8.247.158	A	mx2.fullerton-heritage.com
61.8.247.158	A	mail02.fullertonhotel.com
61.8.247.158	A	mx2.fullertonbayhotel.com
61.8.247.180	PTR	61.8.247-180.unknown.starhub.net.sg
61.8.247.180	A	trimarinegroup.com
61.8.247.203	A+PTR	mail.bankcomm.com.sg
61.8.247.203	A	svr1.bankcomm.com.sg
61.8.247.205	A	ftp.bankcomm.com.sg
61.8.247.206	A	www.bankcomm.com.sg