Robtex

Up: 77.74.78.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.74.79.0/25
Down right: 77.74.79.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.74.79.3	PTR	clients-79.74.77.3.misp.ru
77.74.79.3	A	mx.sla-zar.ru
77.74.79.16	A+PTR	mail.realme.ai
77.74.79.16	A+PTR	mail.talent-digital.com
77.74.79.16	PTR	mail.truenorth.pro
77.74.79.26	A	mx.facilica.ru
77.74.79.35	A+PTR	mail3.shelda.ru
77.74.79.37	PTR	mail.impex-ltd.com
77.74.79.37	A	mail.standart-com.ru
77.74.79.54	PTR	mail.forcons.ru
77.74.79.54	A	mail.optimusdrive.ru
77.74.79.66	A+PTR	mail1.usdep.ru
77.74.79.86	A+PTR	smtp.severcon.ru
77.74.79.113	A	infamed.ru
77.74.79.114	A	infamed.ru
77.74.79.114	A	miramistin.ru
77.74.79.114	A	www.okomistin.ru
77.74.79.130	A	mail.kmki.ru
77.74.79.130	A	mail.dobryninsky-online.ru
77.74.79.130	A	mail3.kmki.ru
77.74.79.221	PTR	mail.aquilacap.ru