Robtex

Up: 79.98.78.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 79.98.79.0/25
Down right: 79.98.79.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
79.98.79.0	PTR	79-98-79-0.sys-data.com
79.98.79.1	A	79-98-79-1.sys-data.com
79.98.79.10	PTR	79-98-79-10.sys-data.com
79.98.79.10	A	zwz.cz
79.98.79.11	A	server.cbflorenc.cz
79.98.79.12	PTR	mail.archinvest.cz
79.98.79.17	PTR	79-98-79-17.sys-data.com
79.98.79.17	A	acg-real.cz
79.98.79.17	A	sagato.cz
79.98.79.46	A	*.overclocking.com.ua
79.98.79.46	A	79-98-79-46.sys-data.com
79.98.79.47	A	mail.pragueinstitute.eu
79.98.79.49	A+PTR	mail.odiengroup.com
79.98.79.49	A	mail.outvia.com
79.98.79.50	A+PTR	mail.avia-as.com
79.98.79.50	A+PTR	mail.odienrealestate.com
79.98.79.69	PTR	79-98-79-69.sys-data.com
79.98.79.69	A	mailb.jiriandel.cz
79.98.79.69	A	jiriandel.cz
79.98.79.81	A+PTR	79-98-79-81.sys-data.com
79.98.79.81	A	gw.popron.cz
79.98.79.98	A+PTR	79-98-79-98.sys-data.com
79.98.79.98	A	ns3.sys-data.com
79.98.79.133	A+PTR	79-98-79-133.sys-data.com
79.98.79.133	A	travelis.sk
79.98.79.133	A	travelis.cz
79.98.79.172	PTR	79-98-79-172.sys-data.com
79.98.79.172	A	horizont514.cz
79.98.79.193	PTR	79-98-79-193.sys-data.com
79.98.79.193	A	mail.piklio.com
79.98.79.201	A+PTR	mail2.afoffice.cz
79.98.79.201	A	gw.afoffice.cz
79.98.79.202	A+PTR	79-98-79-202.sys-data.com
79.98.79.202	A	mail.evd.cz
79.98.79.204	A	mail.lagona.cz
79.98.79.208	PTR	79-98-79-208.sys-data.com
79.98.79.208	A	remote.eclisse.cz
79.98.79.210	A	79-98-79-210.sys-data.com
79.98.79.230	A	mail.alvir.cz
79.98.79.237	PTR	79-98-79-237.sys-data.com
79.98.79.237	A	mail.epproduction.eu
79.98.79.237	A	conus.epproduction.eu
79.98.79.241	PTR	79-98-79-241.sys-data.com
79.98.79.241	A	manovo.cz
79.98.79.249	A	asgard.brouzdej.net
79.98.79.255	PTR	79-98-79-255.sys-data.com