Robtex

Up: 80.255.138.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.255.139.0/25
Down right: 80.255.139.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.255.139.0	PTR	80-255-139-0.ranetka.ru
80.255.139.15	PTR	80-255-139-15.ranetka.ru
80.255.139.16	A+PTR	80-255-139-16.ranetka.ru
80.255.139.31	PTR	80-255-139-31.ranetka.ru
80.255.139.32	A+PTR	80-255-139-32.ranetka.ru
80.255.139.63	PTR	80-255-139-63.ranetka.ru
80.255.139.64	A+PTR	80-255-139-64.ranetka.ru
80.255.139.95	A+PTR	80-255-139-95.ranetka.ru
80.255.139.96	PTR	80-255-139-96.ranetka.ru
80.255.139.111	PTR	80-255-139-111.ranetka.ru
80.255.139.112	PTR	80-255-139-112.ranetka.ru
80.255.139.117	A+PTR	80-255-139-117.ranetka.ru
80.255.139.119	PTR	80-255-139-119.ranetka.ru
80.255.139.120	PTR	80-255-139-120.ranetka.ru
80.255.139.128	A+PTR	80-255-139-128.ranetka.ru
80.255.139.130	A+PTR	80-255-139-130.ranetka.ru
80.255.139.130	A	www.scn.ru
80.255.139.130	A	scn.ru
80.255.139.131	A	mail.roadroom.ru
80.255.139.131	A	roadroom.ru
80.255.139.133	PTR	80-255-139-133.ranetka.ru
80.255.139.136	PTR	hosting.golden.ru
80.255.139.136	A	mail.cpo-kras1.ru
80.255.139.136	A	innosib.ru
80.255.139.141	A+PTR	beemail.golden.ru
80.255.139.141	A	mail.scn.ru
80.255.139.145	A+PTR	80-255-139-145.ranetka.ru
80.255.139.145	A	mail.kraslesinvest.ru
80.255.139.145	A	kraslesinvest.ru
80.255.139.159	PTR	80-255-139-159.ranetka.ru
80.255.139.160	PTR	80-255-139-160.ranetka.ru
80.255.139.162	A+PTR	80-255-139-162.ranetka.ru
80.255.139.162	A	ns.arevera.ru
80.255.139.162	A	gate.arevera.ru
80.255.139.163	PTR	80-255-139-163.ranetka.ru
80.255.139.163	A	xn--80aaflb7dd.xn--p1ai
80.255.139.163	A	xn----7sbahcldbcmvb6chwsd3at4r.xn--p1ai
80.255.139.164	A+PTR	mail.arevera.ru
80.255.139.164	A	radidar.ru
80.255.139.164	A	044.ru
80.255.139.175	A	80-255-139-175.ranetka.ru
80.255.139.176	A+PTR	80-255-139-176.ranetka.ru
80.255.139.183	PTR	80-255-139-183.ranetka.ru
80.255.139.184	PTR	80-255-139-184.ranetka.ru
80.255.139.215	A+PTR	80-255-139-215.ranetka.ru
80.255.139.216	A+PTR	80-255-139-216.ranetka.ru
80.255.139.223	PTR	80-255-139-223.ranetka.ru
80.255.139.224	A+PTR	80-255-139-224.ranetka.ru
80.255.139.231	PTR	80-255-139-231.ranetka.ru
80.255.139.232	PTR	80-255-139-232.ranetka.ru
80.255.139.255	A+PTR	80-255-139-255.ranetka.ru