Robtex

Up: 111.221.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 111.221.64.0/21
Down right: 111.221.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
111.221.64.67	PTR	po31-100.hkn-76gmr-mms-1b.ntwk.msn.net
111.221.66.19	PTR	hknprd0204.outlook.com
111.221.66.31	PTR	hknprd0302.outlook.com
111.221.66.47	PTR	xrop-hknprd0402.outlook.com
111.221.66.55	A+PTR	hknprd0502.outlook.com
111.221.66.55	A	hknprd0502m.outlook.com
111.221.67.13	A	hkn-40.spohealth.com
111.221.67.53	A+PTR	hkn-28.spohealth.com
111.221.67.81	A+PTR	hkn.mail.sharepointonline.com
111.221.67.83	A+PTR	hkn-35.spohealth.com
111.221.68.171	A	www.microsoftonline.com.nsatc.net
111.221.69.6	PTR	vlan551.hkn-f6x-stbos-1b.ntwk.msn.net
111.221.69.141	A	hkn.outlook.com
111.221.69.250	PTR	wildcard-apacnorth.um.outlook.com
111.221.70.11	A	cds1.icn9.msecn.net
111.221.70.12	A+PTR	cds2.icn9.msecn.net
111.221.70.17	A+PTR	cds7.icn9.msecn.net
111.221.70.20	A+PTR	cds10.icn9.msecn.net
111.221.70.22	A	cds12.icn9.msecn.net
111.221.70.32	PTR	pcds2.icn9.msecn.net
111.221.70.62	PTR	csm2.icn9.msecn.net
111.221.71.16	A	cds6.tpa9.msecn.net
111.221.72.29	A	sinwns1011113.wns.windows.com
111.221.72.49	A+PTR	sinwns1011220.wns.windows.com
111.221.72.71	A	sinwns1011416.wns.windows.com
111.221.72.76	A	sinwns1011421.wns.windows.com
111.221.72.82	A+PTR	sinwns1011506.wns.windows.com
111.221.72.88	A	sinwns1011512.wns.windows.com
111.221.72.114	A+PTR	sinwns1011704.wns.windows.com
111.221.72.126	A	sinwns1011716.wns.windows.com
111.221.72.142	A	sinwns1011815.wns.windows.com
111.221.74.2	PTR	po32-165.sin-6nf-2a.ntwk.msn.net
111.221.74.3	PTR	po32-165.sin-6nf-2b.ntwk.msn.net
111.221.75.15	A	sin2ab.wns.windows.com
111.221.76.60	A+PTR	msuc05dr.manage.microsoft.com
111.221.76.60	A	portal.msuc05.manage.microsoft.com
111.221.76.60	A	msuc05.manage.microsoft.com
111.221.76.164	A	exap.um.outlook.com
111.221.77.2	PTR	ae0-976.hkn-96gmr-1a.ntwk.msn.net
111.221.77.3	PTR	ae0-976.hkn-96gmr-1b.ntwk.msn.net
111.221.77.140	A	dsn7.skype-dsn.akadns.net
111.221.77.141	A	dsn9.skype-dsn.akadns.net
111.221.77.142	A	dsn7.skype-dsn.akadns.net
111.221.77.142	A	dsn16.d.skype.net
111.221.77.142	A	dsn13.skype-dsn.akadns.net
111.221.77.143	A	dsn16.d.skype.net
111.221.77.145	A	dsn7.skype-dsn.akadns.net
111.221.77.146	A	dsn15.skype-dsn.akadns.net
111.221.77.147	A	dsn9.skype-dsn.akadns.net
111.221.77.147	A	dsn15.skype-dsn.akadns.net
111.221.77.148	A	dsn16.d.skype.net
111.221.77.150	A	dsn7.skype-dsn.akadns.net
111.221.77.150	A	dsn16.d.skype.net
111.221.77.151	A	dsn7.skype-dsn.akadns.net
111.221.77.151	A	dsn0.skype-dsn.akadns.net
111.221.77.152	A	dsn7.skype-dsn.akadns.net
111.221.77.152	A	dsn13.skype-dsn.akadns.net
111.221.77.154	A	dsn7.skype-dsn.akadns.net
111.221.77.154	A	dsn9.skype-dsn.akadns.net
111.221.77.155	A	dsn16.d.skype.net
111.221.77.156	A	dsn13.skype-dsn.akadns.net
111.221.77.157	A	dsn0.skype-dsn.akadns.net
111.221.77.158	A	dsn16.d.skype.net
111.221.77.158	A	dsn0.skype-dsn.akadns.net
111.221.77.159	A	dsn9.skype-dsn.akadns.net
111.221.77.161	A	dsn7.skype-dsn.akadns.net
111.221.77.162	A	dsn7.skype-dsn.akadns.net
111.221.77.163	A	dsn0.skype-dsn.akadns.net
111.221.77.164	A	dsn15.skype-dsn.akadns.net
111.221.77.164	A	dsn0.skype-dsn.akadns.net
111.221.77.165	A	dsn16.d.skype.net
111.221.77.165	A	dsn15.skype-dsn.akadns.net
111.221.77.166	A	dsn13.skype-dsn.akadns.net
111.221.77.167	A	dsn7.skype-dsn.akadns.net
111.221.77.167	A	dsn16.d.skype.net
111.221.77.168	A	dsn7.skype-dsn.akadns.net
111.221.77.168	A	dsn9.skype-dsn.akadns.net
111.221.77.168	A	dsn13.skype-dsn.akadns.net
111.221.77.169	A	dsn7.skype-dsn.akadns.net
111.221.77.169	A	dsn9.skype-dsn.akadns.net
111.221.77.170	A	dsn7.skype-dsn.akadns.net
111.221.77.170	A	dsn0.skype-dsn.akadns.net
111.221.77.172	A	dsn16.d.skype.net
111.221.77.175	A	dsn15.skype-dsn.akadns.net
111.221.77.176	A	dsn16.d.skype.net
111.221.77.176	A	dsn0.skype-dsn.akadns.net