Robtex

Up: 111.221.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 111.221.20.0/23
Down right: 111.221.22.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
111.221.20.134	A+PTR	sgsphealth.com
111.221.20.141	PTR	p_bspos_f_r_1~1.sin-f89-bspos-2a.ntwk.msn.net
111.221.20.145	A	frugaltech.co
111.221.20.149	A	techassist.co.nz
111.221.20.150	A	petrel.biz
111.221.20.150	A	nprgroup.com.au
111.221.20.151	A	creativetuesday.co.nz
111.221.20.152	A	frontforge.com
111.221.20.200	A	macchina-2008.com
111.221.20.200	A	saesolsoft.com
111.221.20.200	A	nsi.jp
111.221.20.201	PTR	sg1.mail.sharepointonline.com
111.221.20.210	A	unitedcreations.com.sg
111.221.20.210	A	krane.com.au
111.221.20.210	A	tairaseiki.com
111.221.20.220	A	rscommercial.com.au
111.221.20.225	PTR	sg.mail.sharepointonline.com
111.221.21.30	PTR	mrsin02.com
111.221.21.41	A	*.1399.r.msn.com
111.221.21.48	A	arc2.msn.com
111.221.21.49	A	arc2.msn.com
111.221.21.78	A+PTR	sg1aqu.atdmt.com
111.221.21.78	A	view.atdmt.com.nsatc.net
111.221.21.78	A	switch.atdmt.com.nsatc.net
111.221.21.79	A	view.atdmt.com.nsatc.net
111.221.21.79	A	switch.atdmt.com.nsatc.net
111.221.21.80	A	view.atdmt.com.nsatc.net
111.221.21.103	A	dns4.azure.net
111.221.21.132	PTR	port-channel1001-401.sin-x7x-srch-1b.ntwk.msn.net
111.221.21.143	PTR	msnbot-111-221-21-143.search.msn.com
111.221.21.145	PTR	msnbot-111-221-21-145.search.msn.com
111.221.21.146	PTR	msnbot-111-221-21-146.search.msn.com
111.221.21.149	PTR	msnbot-111-221-21-149.search.msn.com
111.221.21.154	PTR	msnbot-111-221-21-154.search.msn.com
111.221.21.161	PTR	msnbot-111-221-21-161.search.msn.com
111.221.21.166	PTR	msnbot-111-221-21-166.search.msn.com
111.221.21.170	PTR	msnbot-111-221-21-170.search.msn.com
111.221.21.174	PTR	msnbot-111-221-21-174.search.msn.com
111.221.21.196	PTR	port-channel1001-501.sin-x7x-srch-1b.ntwk.msn.net
111.221.21.210	PTR	msnbot-111-221-21-210.search.msn.com
111.221.21.217	PTR	msnbot-111-221-21-217.search.msn.com
111.221.21.233	PTR	msnbot-111-221-21-233.search.msn.com
111.221.22.3	PTR	e1-26-98.sin-x7x-srch-1b.ntwk.msn.net
111.221.22.4	PTR	vlan98.sin-49i-srch-1a.ntwk.msn.net
111.221.22.5	PTR	vlan98.sin-49i-srch-1b.ntwk.msn.net
111.221.22.13	PTR	ten0-2-0-138.sin-04v-cis-1a.ntwk.msn.net
111.221.22.23	PTR	p_edgcom_f_r_~1.sin-f6x-edgcom-2b.ntwk.msn.net
111.221.22.46	A	elementaldivide.com
111.221.22.46	A	wellness-accessories.com
111.221.22.46	A	susanhuntagencies.com.au
111.221.22.50	A	es-2.com.au
111.221.22.50	A	coulsonmc.com.au
111.221.22.50	A	jytfslp.com
111.221.22.53	A	saffiretechnologies.com
111.221.22.54	A	advance-office.info
111.221.22.54	A	coresafetygroup.net
111.221.22.54	A	cmvconsulting.com.au
111.221.22.56	A	www.bored.co.nz
111.221.22.58	A	davidtan.sg
111.221.22.59	A	tomokazu.net
111.221.22.62	A	sienna.jp
111.221.22.203	A	m2m-bigdata.com
111.221.22.203	A	catalyst-it.com.au
111.221.22.203	A	eplanetonline.biz
111.221.22.205	A	propertydistrict.com.au
111.221.22.205	A	astroit.co.nz
111.221.22.205	A	www.munn.com.au
111.221.22.207	A	oceanicaindonesia.com
111.221.22.209	A	sharedservices.ac.nz
111.221.22.209	A	gmap-jp.com
111.221.22.209	A	whecc.org.au
111.221.22.210	A	iscom.com.my
111.221.22.215	A	rightpath.co.jp
111.221.22.215	A	ds1resources.com
111.221.22.216	A	taizonia.com
111.221.22.216	A	servanthearts.com.au
111.221.22.217	A	svistech.com
111.221.22.220	A	clickonce.co.nz
111.221.22.220	A	yujin-bike.com
111.221.22.220	A	equitylawllc.com
111.221.22.245	PTR	p_gsa_f_r_111~1.sin-f6f-1a.ntwk.msn.net
111.221.23.134	PTR	p_xcg_f_r_111~1.sin-f89-xcg-2b.ntwk.msn.net
111.221.23.159	PTR	sinprd0302.outlook.com
111.221.23.159	A	mail.rpg.in
111.221.23.159	A	mail.rpgnet.com
111.221.23.163	PTR	xrop-sinprd0302.outlook.com
111.221.23.171	PTR	sinprd0402.outlook.com
111.221.23.175	PTR	xrop-sinprd0402.outlook.com
111.221.23.183	A+PTR	hknprd0502m.outlook.com
111.221.23.183	A	pod51023.outlook.com
111.221.23.185	PTR	pod51023psh.outlook.com
111.221.23.187	PTR	xrop-sinprd0502.outlook.com
111.221.23.195	A	mail.ennovatez.com
111.221.23.208	PTR	sinprd0404ip.outlook.com
111.221.23.209	PTR	sinprd0404psh.outlook.com
111.221.23.214	PTR	sinprd0604.outlook.com
111.221.23.215	PTR	sinprd0604ip.outlook.com
111.221.23.219	PTR	sinprd0504.outlook.com
111.221.23.220	PTR	sinprd0504ip.outlook.com
111.221.23.221	PTR	sinprd0504psh.outlook.com
111.221.23.223	PTR	xrop-sinprd0504.outlook.com