Robtex

Up: 103.6.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.6.148.0/23
Down right: 103.6.150.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.6.148.98	PTR	103-6-148-98.myrepublic.com.sg
103.6.148.98	A	speedtest.myrepublic.com.sg
103.6.148.254	PTR	103-6-148-254.myrepublic.com.sg
103.6.148.254	A	biz.myrepublic.com.sg
103.6.149.9	PTR	103-6-149-9.myrepublic.com.sg
103.6.149.16	A	funwaremechanic.com
103.6.149.37	PTR	103-6-149-37.myrepublic.com.sg
103.6.149.37	A	mybona.com
103.6.149.37	A	mail.seawalkhardware.com
103.6.149.43	A	mail.inov8.sg
103.6.149.43	A	inov8.sg
103.6.149.57	A	easy-maid.com
103.6.149.57	A	maid-blog.com
103.6.149.73	PTR	103-6-149-73.myrepublic.com.sg
103.6.149.73	A	ns2.definingchapters.com
103.6.149.73	A	definingchapters.com
103.6.149.91	A	binshow.com
103.6.149.111	PTR	103-6-149-111.myrepublic.com.sg
103.6.149.134	A	mail.laziness.jp
103.6.149.138	A	mail.vinfra.co
103.6.149.140	A	east9.com.sg
103.6.149.149	PTR	103-6-149-149.myrepublic.com.sg
103.6.149.239	PTR	103-6-149-239.myrepublic.com.sg
103.6.149.240	A	tap2find.com
103.6.150.43	PTR	103-6-150-43.myrepublic.com.sg
103.6.150.45	A	www.greenculturesg.com
103.6.150.61	PTR	103-6-150-61.myrepublic.com.sg
103.6.150.65	PTR	103-6-150-65.myrepublic.com.sg
103.6.150.87	PTR	103-6-150-87.myrepublic.com.sg
103.6.150.87	A	olooloo.com
103.6.150.103	PTR	103-6-150-103.myrepublic.com.sg
103.6.150.103	A	office.alanticsports.com
103.6.150.124	PTR	103-6-150-124.myrepublic.com.sg
103.6.150.148	PTR	103-6-150-148.myrepublic.com.sg
103.6.150.152	PTR	103-6-150-152.myrepublic.com.sg
103.6.150.165	PTR	103-6-150-165.myrepublic.com.sg
103.6.150.174	PTR	103-6-150-174.myrepublic.com.sg
103.6.150.197	PTR	103-6-150-197.myrepublic.com.sg
103.6.150.198	A	mail.performa-investments.com
103.6.150.205	A	greyrabbit.net
103.6.150.251	PTR	103-6-150-251.myrepublic.com.sg
103.6.150.251	A	mail2.achievegroup.sg
103.6.150.251	A	mail2.achievegroup.asia
103.6.151.37	A	mail.crimsonsunbird.com
103.6.151.66	PTR	103-6-151-66.myrepublic.com.sg
103.6.151.67	PTR	103-6-151-67.myrepublic.com.sg
103.6.151.75	PTR	103-6-151-75.myrepublic.com.sg
103.6.151.81	A	chimbote.mysg.sg
103.6.151.87	PTR	103-6-151-87.myrepublic.com.sg
103.6.151.91	PTR	103-6-151-91.myrepublic.com.sg
103.6.151.103	PTR	103-6-151-103.myrepublic.com.sg
103.6.151.103	A	mail.missioncalvary.com
103.6.151.103	A	waxnot.com
103.6.151.109	PTR	103-6-151-109.myrepublic.com.sg
103.6.151.118	A	marcustan.com
103.6.151.121	PTR	103-6-151-121.myrepublic.com.sg
103.6.151.121	A	pfinge.net
103.6.151.124	PTR	103-6-151-124.myrepublic.com.sg
103.6.151.174	PTR	103-6-151-174.myrepublic.com.sg
103.6.151.183	PTR	103-6-151-183.myrepublic.com.sg
103.6.151.183	A	webagogue.net
103.6.151.183	A	mail.webagogue.net
103.6.151.184	A	mail.bugis-street.com
103.6.151.209	A	email.ophanimsys.com
103.6.151.226	PTR	103-6-151-226.myrepublic.com.sg
103.6.151.238	A	effects-design.net
103.6.151.238	A	seawalkhardware.com
103.6.151.238	A	bonwalk.com
103.6.151.252	PTR	103-6-151-252.myrepublic.com.sg
103.6.151.252	A	sgpasaload.com