Robtex

Up: 212.17.0.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.17.1.0/25
Down right: 212.17.1.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.17.1.16	A	dialup.siberia.net
212.17.1.17	A+PTR	dialup.siberia.net
212.17.1.18	A	dialup.siberia.net
212.17.1.20	A	dialup.siberia.net
212.17.1.21	A+PTR	dialup.siberia.net
212.17.1.22	A+PTR	dialup.siberia.net
212.17.1.23	A	dialup.siberia.net
212.17.1.24	A+PTR	dialup.siberia.net
212.17.1.25	A+PTR	dialup.siberia.net
212.17.1.27	A+PTR	dialup.siberia.net
212.17.1.28	A	dialup.siberia.net
212.17.1.29	A	dialup.siberia.net
212.17.1.30	A	dialup.siberia.net
212.17.1.36	A+PTR	alfa.obnet.ru
212.17.1.36	A	obnet.ru
212.17.1.36	A	xn---28-5cdkse9ahvls2b.xn--p1ai
212.17.1.38	A	azimut-54.com
212.17.1.40	PTR	h-1-40.siberia.net
212.17.1.65	A+PTR	ns.siberia.net
212.17.1.65	A	is.siberia.net
212.17.1.66	PTR	main.siberia.net
212.17.1.66	A	mt.siberia.net
212.17.1.67	A	admin-note.siberia.net
212.17.1.68	A	marketing.siberia.net
212.17.1.69	A	dmitry.siberia.net
212.17.1.70	A	serge.siberia.net
212.17.1.71	A	law.siberia.net
212.17.1.72	A	material.siberia.net
212.17.1.73	A	reception.siberia.net
212.17.1.74	A	broker.siberia.net
212.17.1.76	A	account.siberia.net
212.17.1.77	A	chief.siberia.net
212.17.1.78	A	counter.siberia.net
212.17.1.79	A	justice.siberia.net
212.17.1.80	A	sp30vip.siberia.net
212.17.1.81	A	germanya.siberia.net
212.17.1.81	A	german.siberia.net
212.17.1.82	A	valeriya.siberia.net
212.17.1.84	A	splicer.siberia.net
212.17.1.90	A	pavel.siberia.net
212.17.1.93	A	john.siberia.net
212.17.1.98	PTR	czn-1-98.siberia.net
212.17.1.126	A+PTR	remedy.siberia.net
212.17.1.144	PTR	h-1-144.siberia.net
212.17.1.145	PTR	h145.nskes.ru
212.17.1.145	A	webb.nskes.ru
212.17.1.145	A	service.nskes.ru
212.17.1.148	A+PTR	mx2.nskes.ru
212.17.1.150	A	platosfera.ru
212.17.1.151	PTR	h-1-151.siberia.net
212.17.1.152	PTR	h-1-152.siberia.net
212.17.1.159	PTR	h-1-159.siberia.net
212.17.1.160	PTR	h-1-160.siberia.net
212.17.1.169	A	ex.siberia.net