Robtex

Up: 163.191.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 163.191.128.0/20
Down right: 163.191.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.191.132.105	A	apoc.state.il.us
163.191.133.2	PTR	cmsxssl2.cmcf.state.il.us
163.191.133.2	PTR	ftpsa.cmcf.state.il.us
163.191.134.23	PTR	www.dhs.state.il.us
163.191.134.129	A+PTR	isd.dhs.state.il.us
163.191.134.129	A+PTR	mail.isd.dhs.state.il.us
163.191.134.130	A+PTR	border.dhs.state.il.us
163.191.134.130	A+PTR	rln.dhs.state.il.us
163.191.135.65	A+PTR	link.illinois.gov
163.191.135.65	A+PTR	www.link.illinois.gov
163.191.135.65	A+PTR	www.dhs.state.il.us
163.191.135.69	PTR	www.drs.illinois.gov
163.191.135.69	A+PTR	www.provider.illinois.gov
163.191.135.69	PTR	drs.illinois.gov
163.191.135.201	A+PTR	abe.illinois.gov
163.191.137.2	PTR	gac.state.il.us
163.191.141.2	A+PTR	border.atg.state.il.us
163.191.141.101	A	ns3.ilattorneygeneral.net
163.191.142.1	A+PTR	cmcf1.cmcf.state.il.us
163.191.142.1	A	neonwebh.cmcf.state.il.us
163.191.142.4	A+PTR	cmcf4.cmcf.state.il.us
163.191.142.7	A+PTR	cmcf7.cmcf.state.il.us
163.191.142.54	A	neonwebk.cmcf.state.il.us
163.191.142.163	A+PTR	smtp01.illinois.gov
163.191.142.163	A	mx.illinoisjoiningforces.org
163.191.142.163	A	mail.idpa.state.il.us
163.191.142.172	A	mx.illinoisjoiningforces.org
163.191.142.172	A	smtp02.illinois.gov
163.191.142.173	PTR	cmsremweb.state.il.us
163.191.149.5	A+PTR	icc.illinois.gov
163.191.149.5	A+PTR	www.icc.illinois.gov
163.191.149.11	A+PTR	mail.icc.illinois.gov
163.191.149.18	A+PTR	rrsafety.org
163.191.151.121	A	services.ito.state.il.us
163.191.151.121	A	servicesb.ito.state.il.us
163.191.151.122	A+PTR	services.ito.state.il.us
163.191.151.122	A+PTR	servicesa.ito.state.il.us
163.191.151.123	A	wwwb.illinois.gov
163.191.155.5	A+PTR	ns1.state.il.us
163.191.155.69	A+PTR	purchase.state.il.us
163.191.155.69	A+PTR	www.purchase.state.il.us