Robtex

Up: 188.130.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 188.130.144.0/22
Down right: 188.130.148.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.130.144.0	PTR	dynamic-customer.prk-net.ru
188.130.144.10	PTR	dynamic-customer.prk-net.ru
188.130.145.99	PTR	dynamic-customer.prk-net.ru
188.130.146.10	PTR	dynamic-customer.prk-net.ru
188.130.146.88	PTR	dynamic-customer.prk-net.ru
188.130.146.145	PTR	dynamic-customer.prk-net.ru
188.130.146.194	PTR	dynamic-customer.prk-net.ru
188.130.146.234	PTR	dynamic-customer.prk-net.ru
188.130.148.17	PTR	etth-17-148-130-188.prk-net.ru
188.130.148.17	A	mail.kvrp.ru
188.130.148.17	A	mx.kvrp.ru
188.130.148.40	PTR	etth-40-148-130-188.prk-net.ru
188.130.148.41	PTR	etth-41-148-130-188.prk-net.ru
188.130.148.136	PTR	etth-136-148-130-188.prk-net.ru
188.130.148.186	PTR	dynamic-customer.prk-net.ru
188.130.148.219	PTR	etth-219-148-130-188.prk-net.ru
188.130.148.233	PTR	etth-233-148-130-188.prk-net.ru
188.130.149.17	PTR	etth-17-149-130-188.prk-net.ru
188.130.149.49	PTR	dynamic-customer.prk-net.ru
188.130.149.202	PTR	dynamic-customer.prk-net.ru
188.130.150.1	A+PTR	ns1.prk-net.ru
188.130.150.2	PTR	mail.prk.ru
188.130.150.3	PTR	dynamic-customer.prk-net.ru
188.130.150.7	A+PTR	mail.prk-net.ru
188.130.150.9	A	mail.magicfoods.ru
188.130.150.11	A	3d-invest.ru
188.130.150.11	A	www.3d-invest.ru
188.130.150.13	PTR	dynamic-customer.prk-net.ru
188.130.150.13	A	prk-net.ru
188.130.150.14	PTR	www.prk-net.ru
188.130.150.22	A+PTR	mail.ds-net.ru
188.130.150.22	A	mail.prk-net.ru
188.130.150.28	A	mail.xn--80aaaamc5b5d.xn--p1ai
188.130.150.32	PTR	dynamic-customer.prk-net.ru
188.130.150.32	A	www.ds-net.ru
188.130.150.32	A	*.ds-net.ru
188.130.150.150	A+PTR	voipgate.prk-net.ru
188.130.151.1	A+PTR	ns2.prk-net.ru
188.130.151.242	PTR	dynamic-customer.prk-net.ru