Robtex

Up: 163.191.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 163.191.192.0/20
Down right: 163.191.208.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.191.192.2	A+PTR	dot1.state.il.us
163.191.194.2	PTR	ehanwebcall2.idphnet.com
163.191.194.2	PTR	fdd.idphnet.com
163.191.194.2	PTR	gis.idphnet.com
163.191.194.18	A+PTR	mail.han.state.il.us
163.191.194.18	PTR	risc1.idph.state.il.us
163.191.195.2	PTR	//inedssrptdev.idphnet.com
163.191.195.2	PTR	dap.idphnet.com
163.191.195.2	PTR	ehanwebcall2.idphnet.com
163.191.195.4	PTR	webmail.idphnet.com
163.191.195.22	A	healthcarereportcard.illinois.gov
163.191.195.37	A+PTR	idphp.idph.state.il.us
163.191.195.52	PTR	idphhan.com
163.191.195.52	PTR	www.idphhan.com
163.191.195.52	A+PTR	han.state.il.us
163.191.195.71	A	healthcarereportcard.illinois.gov
163.191.195.74	PTR	ivrsqa.dph.illinois.gov
163.191.195.74	A+PTR	ivrsqa.idphnet.com
163.191.195.82	A	portalhome.dph.illinois.gov
163.191.195.194	PTR	basuah.com
163.191.195.194	PTR	basuah.illinois.gov
163.191.195.194	PTR	cancerscreening.illinois.gov
163.191.195.195	PTR	app.idph.state.il.us
163.191.201.132	A+PTR	www.revenue.state.il.us
163.191.201.132	A	iltax.net
163.191.201.132	A	www.iltax.net
163.191.201.160	A	rev084pwwwdns01.revenue.state.il.us
163.191.201.161	A	rev084pwwwdns02.revenue.state.il.us
163.191.201.232	A	mytax.illinois.gov
163.191.202.165	A+PTR	listgw.isl.state.il.us
163.191.214.40	PTR	w05.myhfs.illinois.gov
163.191.214.44	PTR	mail.ilchildsupport.com
163.191.214.44	PTR	cmssun09.myidhf.com
163.191.214.44	PTR	www1.deadbeatsillinois.com
163.191.220.6	A	idc3270.cmcf.state.il.us
163.191.220.34	A	servers.cmcf.state.il.us
163.191.220.49	A	ides.cmcf.state.il.us
163.191.220.134	A	services.state.il.us
163.191.220.164	A	ides1.cmcf.state.il.us