Robtex

Up: 185.138.128.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.138.128.0/23
Down right: 185.138.130.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.138.128.3	A+PTR	ns.nso.ru
185.138.128.4	A+PTR	mx01.nso.ru
185.138.128.5	A+PTR	mx02.nso.ru
185.138.128.13	A	deip.nso.ru
185.138.128.21	A+PTR	mail.zakaznso.ru
185.138.128.21	A	ns11.zakaznso.ru
185.138.128.25	A	maslyanino.nso.ru
185.138.128.25	A	berdsk.nso.ru
185.138.128.25	A	kspnso.ru
185.138.128.26	PTR	mail.zakaznso.ru
185.138.128.28	A+PTR	ns1.nso.ru
185.138.128.30	A	zakaznso.ru
185.138.128.30	A	www.zakaznso.ru
185.138.128.32	A	xn--112-qedfr.xn--p1ai
185.138.128.32	A	xn----7sbbbcc6bbsnnmbg0ameht4r3b.xn--p1ai
185.138.128.32	A	mail.edu54.ru
185.138.128.250	A	www.xn--h1adijab.xn--p1ai
185.138.128.250	A	www.school11iskitim.ru
185.138.128.250	A	nousophia.ru
185.138.129.2	PTR	host-129-2.net.nso.ru
185.138.129.2	A	ns.net.nso.ru
185.138.129.2	A	ns2.net.nso.ru
185.138.129.68	PTR	host-129-68.net.nso.ru
185.138.129.117	PTR	host-129-117.net.nso.ru
185.138.129.117	A	stelena.me
185.138.131.130	A	ns1.oblcit.ru
185.138.131.130	A	ns.oblcit.ru
185.138.131.131	A	ns2.oblcit.ru
185.138.131.135	A	www.websib.ru
185.138.131.136	A	www.knigozakaz.ru
185.138.131.136	A	i-cheloveka.ru
185.138.131.136	A	www.astro.websib.ru
185.138.131.151	A	mail.edu54.ru
185.138.131.151	A	director.edu54.ru
185.138.131.151	A	edu54.ru
185.138.131.177	A	websrv-4.oblcit.ru
185.138.131.177	A	xn--11-6kc8aaaieern5bp7e.xn--p1ai
185.138.131.187	A	www.slava-sibiryakam.ru
185.138.131.187	A	slava-sibiryakam.ru
185.138.131.187	A	websrv-7.oblcit.ru
185.138.131.197	PTR	host-131-197.net.nso.ru