Robtex

Up: 77.240.96.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.240.97.0/25
Down right: 77.240.97.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.240.97.1	PTR	ip77-240-97-1.dobris.net
77.240.97.2	PTR	ip77-240-97-2.dobris.net
77.240.97.4	PTR	ip77-240-97-4.dobris.net
77.240.97.8	PTR	mail.biosdobris.cz
77.240.97.8	A	mail.bios-sro.cz
77.240.97.8	A	mail.biosfit.cz
77.240.97.9	A	www.zetech.cz
77.240.97.9	A	mail.zetech.cz
77.240.97.9	A	zetech.cz
77.240.97.10	PTR	ip77-240-97-10.dobris.net
77.240.97.11	PTR	ip77-240-97-11.dobris.net
77.240.97.21	PTR	ip77-240-97-21.dobris.net
77.240.97.28	PTR	ip77-240-97-28.dobris.net
77.240.97.29	PTR	ip77-240-97-29.dobris.net
77.240.97.35	PTR	ip77-240-97-35.dobris.net
77.240.97.38	PTR	ip77-240-97-38.dobris.net
77.240.97.38	A	ajty.net
77.240.97.41	A+PTR	ip77-240-97-41.dobris.net
77.240.97.43	PTR	ip77-240-97-43.dobris.net
77.240.97.51	PTR	ip77-240-97-51.dobris.net
77.240.97.55	PTR	ip77-240-97-55.dobris.net
77.240.97.56	A	hury.pry.cz
77.240.97.60	PTR	ip77-240-97-60.dobris.net
77.240.97.61	PTR	ip77-240-97-61.dobris.net
77.240.97.62	PTR	ip77-240-97-62.dobris.net
77.240.97.75	PTR	ip77-240-97-75.dobris.net
77.240.97.76	A+PTR	ns1.eferger.cz
77.240.97.76	A	eferger.cz
77.240.97.76	A	martinprochazka.com
77.240.97.77	PTR	ip77-240-97-77.dobris.net
77.240.97.107	A	jirys.com
77.240.97.111	A	instalaterskeprace.eu
77.240.97.111	A	europe3b.com
77.240.97.111	A	safe-zone.cz
77.240.97.112	PTR	mail.safe-zone.cz
77.240.97.112	A	repete.cz
77.240.97.112	A	sledka.com
77.240.97.126	PTR	super-gw.dobris.net
77.240.97.131	A	topconsultant.eu
77.240.97.131	A	zalesakova.cz
77.240.97.131	A	topconsultant.cz
77.240.97.144	A	www.coffeenow.cz
77.240.97.144	A	pamatnestromy.cz
77.240.97.144	A	ip77-240-97-28.dobris.net
77.240.97.145	A+PTR	vmd02.dobris.net
77.240.97.145	A	mail.woolf.cz
77.240.97.145	A	mx.dlonline.cz
77.240.97.242	A	fanklub.cz
77.240.97.243	A	getlinked.cz