Robtex

Up: 77.66.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 77.66.204.0/23
Down right: 77.66.206.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.66.205.6	A	hexbat.epac.to
77.66.205.7	PTR	mail.askue-nesk.ru
77.66.205.83	A	vtorov.pro
77.66.205.83	A	vtorov.net
77.66.206.114	A+PTR	arnestmoscow.ru
77.66.206.114	A	www.arnestmoscow.ru
77.66.206.114	A	ns1.arnestmoscow.ru
77.66.206.115	PTR	q1-kdr-krasnaya161-p2.aaanet.ru
77.66.206.146	PTR	mail.rimarhotel.com
77.66.206.155	A	xn--80abcmpoqcc9d0b.xn--p1ai
77.66.206.155	A	mx3.vfbank.ru
77.66.206.233	PTR	mx1.pacom.ru
77.66.206.234	A	mx1.pacom.ru
77.66.206.234	A	office.promavtomatika.com
77.66.206.250	PTR	mail.gazstroy.com
77.66.206.250	A	ns3.gazstroy.com
77.66.206.250	A	andrey-andreev.ru
77.66.207.1	A	g0-kdr-ats1.aaanet.ru
77.66.207.18	A+PTR	c0-kdr-ats1.aaanet.ru
77.66.207.38	A	hix1-kdr-atsx.aaanet.ru
77.66.207.42	A	serv1-kdr.aaanet.ru
77.66.207.47	PTR	c04-kdr-ats1.aaanet.ru
77.66.207.49	A	asr1-kdr-ats1.aaanet.ru
77.66.207.66	A+PTR	ns1-kdr.aaanet.ru
77.66.207.66	A	ns1-kdr-ats1.aaanet.ru
77.66.207.131	PTR	mail.tax23.ru
77.66.207.131	A	mx.tax23.ru
77.66.207.244	A	asr1-mkp-ats1.aaanet.ru
77.66.207.245	A	asr2-mkp-ats1.aaanet.ru