Robtex

Up: 80.251.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 80.251.224.0/21
Down right: 80.251.232.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.251.224.0	PTR	80.251.224.0.teleru.net
80.251.224.58	PTR	80.251.224.58.teleru.net
80.251.224.90	PTR	80.251.224.90.teleru.net
80.251.224.122	PTR	80.251.224.122.teleru.net
80.251.224.123	PTR	mail.t-com.su
80.251.225.3	PTR	80.251.225.3.teleru.net
80.251.225.3	A	mail.blackdragonevents.ru
80.251.225.3	A	blackdragonevents.ru
80.251.225.120	A+PTR	mail.td-vorontsov.ru
80.251.225.179	PTR	80.251.225.179.teleru.net
80.251.225.190	PTR	80.251.225.190.teleru.net
80.251.226.6	PTR	80.251.226.6.teleru.net
80.251.226.6	A	ns6.spectrnet.ru
80.251.226.74	PTR	80.251.226.74.teleru.net
80.251.227.211	PTR	80.251.227.211.teleru.net
80.251.227.211	A	newpoliticalrating.com
80.251.227.211	A	nsr24.com
80.251.228.99	PTR	80.251.228.99.teleru.net
80.251.228.170	PTR	80.251.228.170.teleru.net
80.251.228.208	PTR	80.251.228.208.teleru.net
80.251.228.254	PTR	80.251.228.254.teleru.net
80.251.229.148	PTR	mail.naftagaz.com
80.251.229.252	PTR	80.251.229.252.teleru.net
80.251.230.1	A	leaf-systems.com
80.251.230.62	PTR	80.251.230.62.teleru.net
80.251.230.94	PTR	80.251.230.94.teleru.net
80.251.230.247	PTR	80.251.230.247.teleru.net
80.251.232.110	A+PTR	git-holding.ru
80.251.232.110	A	www.githolding.de
80.251.232.110	A	git-video.ru
80.251.232.164	PTR	80.251.232.164.teleru.net
80.251.233.249	A	mail.goldprice.ru
80.251.233.251	A	goldprice.ru
80.251.233.251	A	zu.ru
80.251.233.254	PTR	80.251.233.254.teleru.net
80.251.235.63	PTR	80.251.235.63.teleru.net
80.251.236.19	PTR	80.251.236.19.teleru.net
80.251.236.32	PTR	80.251.236.32.teleru.net
80.251.236.33	PTR	80.251.236.33.teleru.net
80.251.236.49	PTR	80.251.236.49.teleru.net
80.251.236.81	PTR	80.251.236.81.teleru.net
80.251.236.82	PTR	80.251.236.82.teleru.net
80.251.236.114	PTR	80.251.236.114.teleru.net
80.251.236.144	PTR	80.251.236.144.teleru.net
80.251.236.161	PTR	80.251.236.161.teleru.net
80.251.236.176	PTR	80.251.236.176.teleru.net
80.251.236.178	PTR	80.251.236.178.teleru.net
80.251.236.179	PTR	80.251.236.179.teleru.net
80.251.238.20	PTR	80.251.238.20.teleru.net
80.251.238.62	PTR	80.251.238.62.teleru.net
80.251.238.132	PTR	80.251.238.132.teleru.net
80.251.238.132	A	kafadzy.com
80.251.238.132	A	www.zm19a.com
80.251.238.141	PTR	80.251.238.141.teleru.net