Robtex

Up: 188.234.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 188.234.136.0/22
Down right: 188.234.140.0/22

IP	Type	Hostname
188.234.136.49	A+PTR	voip.domru.ru
188.234.138.101	A	bgp.discovery.ertelecom.ru
188.234.138.102	A	discovery-h9k-21.ertelecom.ru
188.234.138.172	A	r1.sn-xguxaxjvh-8v1s.googlevideo.com
188.234.138.173	A	r2.sn-xguxaxjvh-8v1s.googlevideo.com
188.234.138.174	A	r3.sn-xguxaxjvh-8v1s.googlevideo.com
188.234.138.175	A	r4.sn-xguxaxjvh-8v1s.googlevideo.com
188.234.139.34	PTR	dynamicip-188-234-139-34.pppoe.penza.ertelecom.ru
188.234.139.35	PTR	dynamicip-188-234-139-35.pppoe.penza.ertelecom.ru
188.234.139.74	PTR	dynamicip-188-234-139-74.pppoe.penza.ertelecom.ru
188.234.139.89	PTR	188-234-139-89.ertelecom.ru
188.234.139.113	PTR	188-234-139-113.ertelecom.ru
188.234.140.77	A	r2---sn-xguxaxjvh-8v1e.googlevideo.com
188.234.140.78	A	r3.sn-xguxaxjvh-8v1e.gvt1.com
188.234.140.78	A	r3.sn-xguxaxjvh-8v1e.googlevideo.com
188.234.140.78	A	r3---sn-xguxaxjvh-8v1e.googlevideo.com
188.234.140.80	PTR	dynamicip-188-234-140-80.pppoe.penza.ertelecom.ru
188.234.140.80	A	r5.sn-xguxaxjvh-8v1e.googlevideo.com
188.234.140.80	A	r5.sn-xguxaxjvh-8v1e.gvt1.com
188.234.140.88	PTR	dynamicip-188-234-140-88.pppoe.penza.ertelecom.ru
188.234.140.91	PTR	dynamicip-188-234-140-91.pppoe.penza.ertelecom.ru
188.234.140.123	PTR	dynamicip-188-234-140-123.pppoe.penza.ertelecom.ru
188.234.140.226	PTR	dynamicip-188-234-140-226.pppoe.penza.ertelecom.ru
188.234.141.33	PTR	dynamicip-188-234-141-33.pppoe.penza.ertelecom.ru
188.234.141.33	A	api.playkey.net
188.234.141.33	A	static.playkey.net
188.234.141.34	PTR	dynamicip-188-234-141-34.pppoe.penza.ertelecom.ru
188.234.141.34	A	ads2.playkey.net
188.234.141.201	A+PTR	mail.qwerty.perm.ru
188.234.141.201	A	ns4.qwerty.perm.ru
188.234.141.218	PTR	dynamicip-188-234-141-218.pppoe.penza.ertelecom.ru
188.234.142.250	PTR	dynamicip-188-234-142-250.pppoe.penza.ertelecom.ru
188.234.143.35	PTR	dynamicip-188-234-143-35.pppoe.penza.ertelecom.ru
188.234.143.191	A	equila-ipmi.voronezh.ertelecom.ru