Robtex

Up: 204.41.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 204.41.4.0/23
Down right: 204.41.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.41.4.0	A	lrc.gov.on.ca
204.41.4.10	A+PTR	smtpgw1.gov.on.ca
204.41.4.10	A	mx3.electionsontario.on.ca
204.41.4.10	A	mail.electionsontario.on.ca
204.41.4.26	A+PTR	www.ebr.gov.on.ca
204.41.4.33	A+PTR	imweb.ontario.ca
204.41.4.35	A	www.goremoteadmin.gov.on.ca
204.41.4.36	A+PTR	www.psas.gsa.gov.on.ca
204.41.4.42	A+PTR	www.appmybizaccount.gov.on.ca
204.41.4.46	PTR	ltb.gov.on.ca
204.41.4.46	PTR	www.cli.gov.on.ca
204.41.4.46	PTR	www.ltb.gov.on.ca
204.41.4.47	PTR	lio.gov.on.ca
204.41.4.47	PTR	recherchefaunique.mrn.gouv.on.ca
204.41.4.47	PTR	www.lio.gov.on.ca
204.41.4.48	PTR	www.orgforms.gov.on.ca
204.41.4.50	A+PTR	www.iaa.gov.on.ca
204.41.4.51	PTR	www.appenrol.iaa.gov.on.ca
204.41.4.51	A	www.appenrol.one-key.gov.on.ca
204.41.4.56	PTR	serviceontario.ca
204.41.4.56	PTR	gov.on.ca
204.41.4.56	PTR	www.ontarioimmigration.ca
204.41.4.59	PTR	trk.mmail.lst.fin.gov.on.ca
204.41.4.74	A+PTR	www.giscoeapp.lrc.gov.on.ca
204.41.4.75	A+PTR	www.giscoeservices.lrc.gov.on.ca
204.41.4.81	A	www.iam.security.gov.on.ca
204.41.4.83	A	www.eas.mndm.gov.on.ca
204.41.4.100	PTR	www.childsec.gov.on.ca
204.41.4.100	PTR	nativeaffairs.jus.gov.on.ca
204.41.4.100	PTR	www.operb.gov.on.ca
204.41.4.103	PTR	www.formmail.gov.on.ca
204.41.4.103	PTR	www.mtc.gov.on.ca
204.41.4.103	PTR	www.ohtb.gov.on.ca
204.41.4.104	PTR	foodlandontario.ca
204.41.4.104	PTR	infoaines.ca
204.41.4.104	PTR	seniorsinfo.ca
204.41.4.113	A+PTR	www.forms.ssb.gov.on.ca
204.41.4.233	A+PTR	govonca01.gov.on.ca
204.41.4.233	A+PTR	ons01.gov.on.ca
204.41.4.237	A+PTR	gssns1.gov.on.ca
204.41.4.237	PTR	ctspotdcemglb01.service.cihs.gov.on.ca
204.41.4.240	PTR	ens1.gov.on.ca
204.41.4.240	A	ens2.gov.on.ca
204.41.4.243	PTR	ctspotdcemdns06.service.cihs.gov.on.ca
204.41.4.250	A+PTR	ctspogdcnwglb01.gov.on.ca
204.41.5.14	PTR	ctspotdcemats01.service.cihs.gov.on.ca
204.41.5.14	A	ctspogdcemats01.service.cihs.gov.on.ca
204.41.5.17	A+PTR	ctspogdcemats02.service.cihs.gov.on.ca
204.41.5.18	PTR	ctspotdcemats03.cihs.gov.on.ca
204.41.5.18	PTR	ctspotdcemats03.service.cihs.gov.on.ca
204.41.5.18	A	ctspogdcemats03.service.cihs.gov.on.ca
204.41.5.19	A+PTR	ctspogdcemats04.service.cihs.gov.on.ca
204.41.5.19	A	ctspotdcemats04.service.cihs.gov.on.ca
204.41.5.22	A	ctspotdcemmsg02.service.cihs.gov.on.ca
204.41.5.23	PTR	ctspotdcemmsg03.cihs.gov.on.ca
204.41.5.23	PTR	ctspotdcemmsg03.service.cihs.gov.on.ca
204.41.5.31	PTR	ctspotdcemmsg03.service.cihs.gov.on.ca
204.41.5.38	A+PTR	intellihealth.ontario.ca
204.41.5.38	PTR	hscpotdcwhprx01.service.cihs.gov.on.ca
204.41.5.38	PTR	www.intellihealth.moh.gov.on.ca
204.41.5.79	PTR	ctspotdcemats05.service.cihs.gov.on.ca
204.41.5.79	A	ctspogdcemats05.service.cihs.gov.on.ca
204.41.5.126	PTR	www.gsa.gov.on.ca
204.41.5.156	A	www.raqsa.mto.gov.on.ca
204.41.5.156	A	mtoweb33.cihs.gov.on.ca
204.41.5.158	A	www.raqs.mto.gov.on.ca
204.41.6.20	PTR	citizensassembly.gov.on.ca
204.41.6.20	PTR	www.mia.gov.on.ca
204.41.6.20	A	lt.gov.on.ca
204.41.6.34	A	portal.mah.gov.on.ca
204.41.6.50	PTR	igw.gno.edu.on.ca
204.41.6.50	PTR	www.gno.edu.on.ca