Robtex

Up: 31.128.128.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 31.128.128.0/20
Down right: 31.128.144.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.128.128.45	A+PTR	pat-31-128-128-45.pool.powernet.com.ru
31.128.129.12	A+PTR	pat-31-128-129-12.pool.powernet.com.ru
31.128.129.13	A+PTR	pat-31-128-129-13.pool.powernet.com.ru
31.128.129.61	A	pat-31-128-129-61.pool.powernet.com.ru
31.128.129.109	A+PTR	pat-31-128-129-109.pool.powernet.com.ru
31.128.129.173	A+PTR	pat-31-128-129-173.pool.powernet.com.ru
31.128.130.142	A	nat-31-128-130-142.pool.powernet.com.ru
31.128.131.22	A+PTR	pat-31-128-131-22.pool.powernet.com.ru
31.128.131.57	A+PTR	nat-31-128-131-57.pool.powernet.com.ru
31.128.132.139	PTR	nat-31-128-132-139.pool.powernet.com.ru
31.128.133.35	PTR	nat-31-128-133-35.pool.powernet.com.ru
31.128.133.163	A+PTR	nat-31-128-133-163.pool.powernet.com.ru
31.128.133.172	A+PTR	nat-31-128-133-172.pool.powernet.com.ru
31.128.137.45	A	nat-31-128-137-45.pool.powernet.com.ru
31.128.137.153	A+PTR	nat-31-128-137-153.pool.powernet.com.ru
31.128.137.208	A+PTR	nat-31-128-137-208.pool.powernet.com.ru
31.128.137.240	A	nat-31-128-137-240.pool.powernet.com.ru
31.128.138.176	A+PTR	nat-31-128-138-176.pool.powernet.com.ru
31.128.138.237	A+PTR	nat-31-128-138-237.pool.powernet.com.ru
31.128.141.205	A+PTR	nat-31-128-141-205.pool.powernet.com.ru
31.128.142.254	A+PTR	pat-31-128-142-254.pool.powernet.com.ru
31.128.143.9	A+PTR	nat-31-128-143-9.pool.powernet.com.ru
31.128.145.174	A+PTR	nat-31-128-145-174.pool.powernet.com.ru
31.128.147.176	A+PTR	nat-31-128-147-176.pool.powernet.com.ru
31.128.148.79	PTR	nat-31-128-148-79.pool.powernet.com.ru
31.128.151.150	A+PTR	nat-31-128-151-150.pool.powernet.com.ru
31.128.151.222	A+PTR	nat-31-128-151-222.pool.powernet.com.ru
31.128.154.33	A+PTR	nat-31-128-154-33.pool.powernet.com.ru
31.128.156.59	A+PTR	nat-31-128-156-59.pool.powernet.com.ru
31.128.156.205	A	sscorpio.ru
31.128.156.205	A	2gis.pro
31.128.158.97	PTR	nat-31-128-158-97.pool.powernet.com.ru
31.128.158.163	A+PTR	nat-31-128-158-163.pool.powernet.com.ru
31.128.159.3	A+PTR	ns8.powernet.com.ru
31.128.159.4	PTR	ip-31-128-159-4.discovery-powernet
31.128.159.4	A	mirrors.powernet.com.ru
31.128.159.34	A	test.powernet.com.ru
31.128.159.35	PTR	servhost.powernet.com.ru
31.128.159.35	A	megaplan.powernet.com.ru
31.128.159.35	A	gvol.ru
31.128.159.59	A	gvol.ru
31.128.159.67	A+PTR	mail.volpi.ru
31.128.159.186	A	proxy.scandata.ru
31.128.159.187	PTR	scandata.ru
31.128.159.187	A	ns.glavservice.ru
31.128.159.187	A	www.igbts.ru