Robtex

Up: 163.191.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 163.191.64.0/20
Down right: 163.191.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.191.72.100	A+PTR	dnr.state.il.us
163.191.72.100	A+PTR	www.dnr.state.il.us
163.191.72.118	A	geoserver.dnr.illinois.gov
163.191.75.2	A+PTR	tools.sucss.state.il.us
163.191.75.2	PTR	tools.sucss.illinois.gov
163.191.75.2	A+PTR	owa.sucss.state.il.us
163.191.81.2	A	cdb.state.il.us
163.191.83.3	A	server.admop.epa.state.il.us
163.191.83.3	A	www.epa.state.il.us
163.191.83.3	A	epa.state.il.us
163.191.83.12	A	www.epa.illinois.gov
163.191.83.130	A+PTR	163-191-83-130.illinois.gov
163.191.85.137	PTR	mail.agr.state.il.us
163.191.85.137	A	www.agr.state.il.us
163.191.85.137	A	agr.state.il.us
163.191.86.2	A+PTR	idoc.state.il.us
163.191.86.2	A+PTR	www.idoc.state.il.us
163.191.86.7	A+PTR	mail.idoc.state.il.us
163.191.87.14	A	pat.ildceo.net
163.191.87.17	A	illinoisenergy.org
163.191.87.26	A	www.liheapillinois.com
163.191.87.29	PTR	illinoisconverge.com
163.191.87.29	PTR	illinoisbusiness.org
163.191.87.31	A	www.ildceo.net
163.191.87.31	A	dceo.net
163.191.87.42	A+PTR	buyillinois.net
163.191.87.42	A+PTR	www.buyillinois.net
163.191.87.44	A	ilcorpacct.com
163.191.87.53	PTR	ilsbdc.biz
163.191.87.53	PTR	ilsmallbiz.biz
163.191.87.53	PTR	ilsbdc.org
163.191.87.74	A+PTR	dmzdns1.ildceo.net
163.191.87.74	A	ns1.ildceo.net
163.191.87.75	A	ns2.ildceo.net
163.191.87.89	PTR	test.gochicago.com
163.191.87.89	A+PTR	test.discoverillinois.co.uk
163.191.87.102	PTR	www.illinoismediacenter.com
163.191.87.102	PTR	illinoistourism.org
163.191.87.102	A+PTR	illinoismediacenter.com
163.191.87.131	A	illinoisenergy.org
163.191.87.131	A	www.liheapillinois.com
163.191.87.131	A	illinoiscoal.biz
163.191.90.5	A+PTR	igb.illinois.gov
163.191.90.5	A+PTR	www.igb.illinois.gov