Robtex

Up: 188.65.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 188.65.48.0/23
Down right: 188.65.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
188.65.48.0	A+PTR	188-65-48-0.achinsk.net
188.65.48.44	PTR	188-65-48-44.achinsk.net
188.65.48.44	A	mail.mail.ns1.ns2.mail.518c2506e57106779f0cf55fcfd14fb065d00efe1d5a5a2a9b2d684d.6.mjuyh.com
188.65.48.45	A+PTR	188-65-48-45.achinsk.net
188.65.48.61	PTR	188-65-48-61.achinsk.net
188.65.48.97	A+PTR	alpha.acpl.ru
188.65.48.97	A	acpl.ru
188.65.48.100	A+PTR	mail.acpl.ru
188.65.48.144	A	188-65-48-144.achinsk.net
188.65.48.153	A+PTR	188-65-48-153.achinsk.net
188.65.48.251	A+PTR	188-65-48-251.achinsk.net
188.65.49.1	A	188-65-49-1.achinsk.net
188.65.49.7	A	188-65-49-7.achinsk.net
188.65.49.8	A	188-65-49-8.achinsk.net
188.65.49.61	A+PTR	188-65-49-61.achinsk.net
188.65.49.61	A	cerl.tk
188.65.49.117	A+PTR	188-65-49-117.achinsk.net
188.65.49.127	A+PTR	188-65-49-127.achinsk.net
188.65.49.145	A+PTR	188-65-49-145.achinsk.net
188.65.49.158	A	188-65-49-158.achinsk.net
188.65.50.3	A+PTR	188-65-50-3.achinsk.net
188.65.50.5	A+PTR	188-65-50-5.achinsk.net
188.65.50.6	A	188-65-50-6.achinsk.net
188.65.50.17	A+PTR	188-65-50-17.achinsk.net
188.65.50.22	A	188-65-50-22.achinsk.net
188.65.50.27	A	188-65-50-27.achinsk.net
188.65.50.28	A+PTR	188-65-50-28.achinsk.net
188.65.50.29	A+PTR	188-65-50-29.achinsk.net
188.65.50.36	A+PTR	188-65-50-36.achinsk.net
188.65.50.46	A	188-65-50-46.achinsk.net
188.65.50.47	A+PTR	188-65-50-47.achinsk.net
188.65.50.48	A	188-65-50-48.achinsk.net
188.65.50.55	A+PTR	188-65-50-55.achinsk.net
188.65.50.58	A+PTR	188-65-50-58.achinsk.net
188.65.50.62	A	188-65-50-62.achinsk.net
188.65.50.62	A	cheaplouisvuitton65.com
188.65.50.82	A	188-65-50-82.achinsk.net
188.65.50.91	A	188-65-50-91.achinsk.net
188.65.50.116	A	188-65-50-116.achinsk.net
188.65.50.210	A	188-65-50-210.achinsk.net
188.65.50.232	A	188-65-50-232.achinsk.net
188.65.50.236	A	188-65-50-236.achinsk.net
188.65.51.27	A	188-65-51-27.achinsk.net
188.65.51.90	A	188-65-51-90.achinsk.net
188.65.51.162	PTR	188-65-51-162.achinsk.net
188.65.51.162	A	ns1.mysint.ru
188.65.51.162	A	home-plast.ru
188.65.51.170	A	paysint.ru
188.65.51.170	A	www.paysint.ru
188.65.51.172	PTR	188-65-51-172.achinsk.net
188.65.51.172	A	websint.ru
188.65.51.172	A	www.websint.ru
188.65.51.177	PTR	achmail.ru
188.65.51.177	PTR	www.achcity.com
188.65.51.177	PTR	achcity.com
188.65.51.182	A	ns2.instvps.ru
188.65.51.188	PTR	188-65-51-188.achinsk.net
188.65.51.245	A+PTR	188-65-51-245.achinsk.net
188.65.51.246	A	188-65-51-246.achinsk.net
188.65.51.253	A+PTR	188-65-51-253.achinsk.net
188.65.51.254	A+PTR	188-65-51-254.achinsk.net