Robtex

Up: 46.20.72.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 46.20.73.0/25
Down right: 46.20.73.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
46.20.73.2	PTR	46.20.73.2.samara-ttk.ru
46.20.73.3	PTR	46.20.73.3.samara-ttk.ru
46.20.73.11	PTR	46.20.73.11.samara-ttk.ru
46.20.73.17	PTR	46.20.73.17.samara-ttk.ru
46.20.73.19	PTR	mail.city-travel.ru
46.20.73.22	PTR	46.20.73.22.samara-ttk.ru
46.20.73.25	PTR	46.20.73.25.samara-ttk.ru
46.20.73.26	PTR	46.20.73.26.samara-ttk.ru
46.20.73.28	PTR	46.20.73.28.samara-ttk.ru
46.20.73.29	PTR	46.20.73.29.samara-ttk.ru
46.20.73.35	PTR	46.20.73.35.samara-ttk.ru
46.20.73.42	PTR	46.20.73.42.samara-ttk.ru
46.20.73.43	PTR	46.20.73.43.samara-ttk.ru
46.20.73.45	PTR	46.20.73.45.samara-ttk.ru
46.20.73.46	PTR	46.20.73.46.samara-ttk.ru
46.20.73.61	PTR	46.20.73.61.samara-ttk.ru
46.20.73.61	A	mail.aointellect.ru
46.20.73.63	PTR	46.20.73.63.samara-ttk.ru
46.20.73.81	PTR	46.20.73.81.samara-ttk.ru
46.20.73.83	PTR	46.20.73.83.samara-ttk.ru
46.20.73.88	PTR	46.20.73.88.samara-ttk.ru
46.20.73.92	PTR	46.20.73.92.samara-ttk.ru
46.20.73.104	PTR	46.20.73.104.samara-ttk.ru
46.20.73.113	A	ztksamara.ru
46.20.73.115	PTR	46.20.73.115.samara-ttk.ru
46.20.73.116	PTR	46.20.73.116.samara-ttk.ru
46.20.73.121	PTR	46.20.73.121.samara-ttk.ru
46.20.73.125	PTR	46.20.73.125.samara-ttk.ru
46.20.73.136	PTR	46.20.73.136.samara-ttk.ru
46.20.73.137	A+PTR	mail.samarasoft.ru
46.20.73.137	A	samaralab.ru
46.20.73.141	PTR	46.20.73.141.samara-ttk.ru
46.20.73.153	PTR	mail.penzastek.ru
46.20.73.153	A	www.penzastek.ru
46.20.73.153	A	penzastek.ru
46.20.73.155	PTR	46.20.73.155.samara-ttk.ru
46.20.73.156	PTR	46.20.73.156.samara-ttk.ru
46.20.73.158	PTR	46.20.73.158.samara-ttk.ru
46.20.73.161	PTR	46.20.73.161.samara-ttk.ru
46.20.73.165	PTR	46.20.73.165.samara-ttk.ru
46.20.73.180	PTR	46.20.73.180.samara-ttk.ru
46.20.73.185	PTR	fksamara.ru
46.20.73.187	PTR	46.20.73.187.samara-ttk.ru
46.20.73.187	A	mail.fk-samara.ru
46.20.73.196	PTR	46.20.73.196.samara-ttk.ru
46.20.73.197	PTR	46.20.73.197.samara-ttk.ru
46.20.73.198	PTR	46.20.73.198.samara-ttk.ru
46.20.73.206	PTR	46.20.73.206.samara-ttk.ru
46.20.73.207	PTR	46.20.73.207.samara-ttk.ru
46.20.73.208	PTR	46.20.73.208.samara-ttk.ru
46.20.73.209	PTR	46.20.73.209.samara-ttk.ru
46.20.73.210	PTR	46.20.73.210.samara-ttk.ru
46.20.73.211	A+PTR	mx1.sms-a.ru
46.20.73.212	A+PTR	mx2.sms-a.ru
46.20.73.221	PTR	46.20.73.221.samara-ttk.ru
46.20.73.223	PTR	46.20.73.223.samara-ttk.ru
46.20.73.224	PTR	46.20.73.224.samara-ttk.ru
46.20.73.229	PTR	46.20.73.229.samara-ttk.ru
46.20.73.231	PTR	46.20.73.231.samara-ttk.ru
46.20.73.232	PTR	46.20.73.232.samara-ttk.ru
46.20.73.234	PTR	46.20.73.234.samara-ttk.ru
46.20.73.239	PTR	46.20.73.239.samara-ttk.ru
46.20.73.240	PTR	46.20.73.240.samara-ttk.ru
46.20.73.241	A	mail.samprom.ru
46.20.73.247	PTR	46.20.73.247.samara-ttk.ru
46.20.73.248	PTR	46.20.73.248.samara-ttk.ru
46.20.73.249	PTR	46.20.73.249.samara-ttk.ru
46.20.73.249	A	ns1.ktkprom.ru
46.20.73.249	A	xn--90acibatgghmv7bi6e0b.xn--p1ai
46.20.73.255	PTR	46.20.73.255.samara-ttk.ru