Robtex

Up: 31.25.240.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 31.25.240.0/25
Down right: 31.25.240.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.25.240.66	PTR	66.240-25-31.ftth.rus-com.net
31.25.240.66	A	*.umap.ru
31.25.240.66	A	server-strannik.ru
31.25.240.73	PTR	73.240-25-31.ftth.rus-com.net
31.25.240.73	A	mail.sibseo.ru
31.25.240.73	A	magprice.ru
31.25.240.74	PTR	74.240-25-31.ftth.rus-com.net
31.25.240.74	A	www.urlmet.ru
31.25.240.74	A	tcm-ural.ru
31.25.240.75	A	475447.ru
31.25.240.79	PTR	mail.rsuprom.ru
31.25.240.80	A	mail.raybalearic.com
31.25.240.82	PTR	host01.syncweb.ru
31.25.240.82	A	mail.xn----8sbhiprdvtix.xn--p1ai
31.25.240.82	A	mail.adego-group.ru
31.25.240.84	PTR	host02.syncweb.ru
31.25.240.84	A	mail.syncweb.ru
31.25.240.84	A	mail.starlight-studio.ru
31.25.240.93	PTR	93.240-25-31.dc.dataekb.ru
31.25.240.93	A	atlant59.ru
31.25.240.100	PTR	100.240-25-31.ftth.rus-com.net
31.25.240.100	A	2line.pro
31.25.240.101	A	mail.aldi.ru
31.25.240.101	A	a-service.ru
31.25.240.101	A	artline1.ru
31.25.240.105	PTR	105.240-25-31.ftth.rus-com.net
31.25.240.105	A	avtourala.ru
31.25.240.105	A	*.x-com.su
31.25.240.108	PTR	108.240-25-31.ftth.rus-com.net
31.25.240.109	PTR	109.240-25-31.ftth.rus-com.net
31.25.240.109	A	mail.mir196.ru
31.25.240.109	A	mail.wikiedu.ru
31.25.240.111	PTR	111.240-25-31.ftth.rus-com.net
31.25.240.111	A	sm-sng.ru
31.25.240.111	A	mail.sm-sng.ru
31.25.240.115	A	88002008365.ru
31.25.240.116	PTR	116.240-25-31.dc.dataekb.ru
31.25.240.116	A	ns2.decar-ural.ru
31.25.240.119	A	ekapay.ru
31.25.240.121	PTR	121.240-25-31.ftth.rus-com.net
31.25.240.121	A	www.exbus.ru
31.25.240.121	A	decar-ural.ru
31.25.240.135	PTR	135.240-25-31.ftth.rus-com.net
31.25.240.135	A	www.xn----7sbbsodjdcciv4aq0an1lf.xn--p1ai
31.25.240.135	A	fitstore.ru
31.25.240.136	A	www.tops.brasilia.me
31.25.240.136	A	usstat.ru
31.25.240.136	A	tops.brasilia.me
31.25.240.142	PTR	avtopart.su
31.25.240.142	A	xn--24-dlclq2ahbxeecf.xn--p1ai
31.25.240.142	A	www.xn--24-dlclq2ahbxeecf.xn--p1ai
31.25.240.145	A	mail.greenfood66.ru
31.25.240.146	PTR	146.240-25-31.ftth.rus-com.net
31.25.240.146	A	eveel.ru
31.25.240.146	A	nlpub.ru
31.25.240.148	PTR	148.240-25-31.ftth.rus-com.net
31.25.240.148	A	sirius-online.ru
31.25.240.148	A	smotri-tut.tk