Robtex

Up: 212.42.76.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.42.77.0/25
Down right: 212.42.77.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.42.77.4	A+PTR	frv4.fwdcdn.com
212.42.77.26	A	frv26.fwdcdn.com
212.42.77.32	A	frv32.fwdcdn.com
212.42.77.35	A	frv35.ukr.net
212.42.77.37	A	frv37.fwdcdn.com
212.42.77.38	A	frv38.fwdcdn.com
212.42.77.40	A	frv40.fwdcdn.com
212.42.77.51	PTR	universal-3.ukr.net
212.42.77.51	A	frv51.fwdcdn.com
212.42.77.70	PTR	avstoinvest-6.ukr.net
212.42.77.71	A	frv71.fwdcdn.com
212.42.77.72	A+PTR	frv72.fwdcdn.com
212.42.77.73	A+PTR	frv73.fwdcdn.com
212.42.77.84	PTR	frv84.fwdcdn.com
212.42.77.84	A	stage4.ukr.net
212.42.77.85	PTR	frv85.fwdcdn.com
212.42.77.85	A	stage2.ukr.net
212.42.77.88	PTR	frv88.fwdcdn.com
212.42.77.88	A	mxs.ukrnet.com
212.42.77.88	A	www.ukrnet.ua
212.42.77.89	PTR	frv89.fwdcdn.com
212.42.77.89	A	accounts-test.ukr.net
212.42.77.89	A	stage3.ukr.net
212.42.77.98	PTR	frv98.fwdcdn.com
212.42.77.99	PTR	frv99.fwdcdn.com
212.42.77.100	PTR	ns2.fwdcdn.net
212.42.77.100	A	ns1.fwdcdn.net
212.42.77.146	PTR	frv146.fwdcdn.com
212.42.77.151	A+PTR	frv151.fwdcdn.com
212.42.77.152	PTR	frv152.fwdcdn.com
212.42.77.154	A+PTR	frv154.fwdcdn.com
212.42.77.156	A+PTR	frv156.fwdcdn.com
212.42.77.157	A+PTR	frv157.fwdcdn.com
212.42.77.158	A+PTR	frv158.fwdcdn.com
212.42.77.186	A	frv186.fwdcdn.com
212.42.77.190	PTR	frv190.fwdcdn.com
212.42.77.190	A	mail.sumka.com.ua
212.42.77.190	A	kh.sumka.com.ua
212.42.77.191	A	frv191.fwdcdn.com
212.42.77.192	A+PTR	frv192.fwdcdn.com
212.42.77.196	A+PTR	frv196.fwdcdn.com
212.42.77.198	A+PTR	frv198.fwdcdn.com
212.42.77.199	A+PTR	frv199.fwdcdn.com
212.42.77.220	A+PTR	frv220.fwdcdn.com
212.42.77.220	A	ucheck.ukr.net
212.42.77.238	PTR	frv238.fwdcdn.com
212.42.77.238	A	secureurl.fwdcdn.com
212.42.77.239	A	secureurl.ukr.net
212.42.77.240	PTR	frv240.fwdcdn.com
212.42.77.240	A	pop.ukr.net
212.42.77.244	PTR	frv244.fwdcdn.com
212.42.77.244	A	pop.ukr.net
212.42.77.244	A	imap.ukr.net
212.42.77.245	PTR	frv245.fwdcdn.com
212.42.77.245	A	pop.ukr.net
212.42.77.245	A	imap.ukr.net
212.42.77.246	A+PTR	frv246.fwdcdn.com
212.42.77.246	A	drz.un.net.ua
212.42.77.249	PTR	frv249.fwdcdn.com
212.42.77.249	A	www.ukrmail.net
212.42.77.250	PTR	frv250.fwdcdn.com
212.42.77.251	PTR	frv251.fwdcdn.com
212.42.77.252	PTR	frv252.fwdcdn.com
212.42.77.252	A	st2.fwdcdn.com
212.42.77.252	A	st1.fwdcdn.com
212.42.77.253	PTR	frv253.fwdcdn.com
212.42.77.253	A	oauth.ukr.net
212.42.77.253	A	www.freemail.ukr.net