Robtex

Up: 203.105.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.105.64.0/21
Down right: 203.105.72.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.105.65.129	A	gi0-0-1.pe-gw11.osa.jprs.co.jp
203.105.65.133	A	pe-gw12.osa.jprs.co.jp
203.105.65.178	A	ns3.jprs.co.jp
203.105.65.178	A	ns3.nic.jprs
203.105.65.178	A	ns3.nic.sakura
203.105.65.196	A	ns5.liveengage.org
203.105.65.196	A	asia1.tl88.net
203.105.65.196	A	ns5.liveengage.net
203.105.72.42	PTR	ge-100-0-0-17.r00.tokyjp05.jp.ce.gin.ntt.net
203.105.72.69	PTR	ae-6-58.a20.tokyjp01.jp.ra.gin.ntt.net
203.105.72.242	PTR	xe-0-6-0-4.r00.tokyjp01.jp.ce.gin.ntt.net
203.105.73.46	A+PTR	ae-0.amazon.tokyjp06.jp.bb.gin.ntt.net
203.105.73.119	A+PTR	mail1.tokyjp05.jp.to.gin.ntt.net
203.105.73.119	A	mail.ntt.net
203.105.73.120	A+PTR	mail2.tokyjp05.jp.to.gin.ntt.net
203.105.73.120	A	mail.ntt.net
203.105.73.179	A+PTR	dnsres01.tokyjp05.jp.to.gin.ntt.net
203.105.73.181	A+PTR	dnsres03.tokyjp05.jp.to.gin.ntt.net
203.105.74.1	A	occ-0-811-1009.1.nflxso.net
203.105.74.1	A	occ-0-811-1007.1.nflxso.net
203.105.74.11	A	z0mbied.com
203.105.75.220	A	webcfs01.global.sonicwall.com
203.105.75.220	A	cfsclient01.global.sonicwall.com
203.105.76.1	PTR	service.playstation.net
203.105.76.32	PTR	service.playstation.net
203.105.76.83	PTR	service.playstation.net
203.105.76.195	PTR	service.playstation.net
203.105.76.208	PTR	service.playstation.net
203.105.76.211	PTR	service.playstation.net
203.105.76.218	A	ns00.muwebapi.sonyentertainmentnetwork.com
203.105.77.64	PTR	service.playstation.net
203.105.77.96	PTR	service.playstation.net
203.105.77.97	PTR	service.playstation.net
203.105.77.128	A	a0.au.sp-int.communication.playstation.net
203.105.77.128	A	proxy.eu.sp-int.communication.playstation.net
203.105.77.129	PTR	service.playstation.net
203.105.77.163	PTR	service.playstation.net
203.105.77.177	PTR	service.playstation.net
203.105.77.212	A	smtp01.admin.playstation.org
203.105.77.212	A	smtpta.admin.playstation.org
203.105.77.213	A	smtptb.admin.playstation.org
203.105.77.213	A	smtp02.admin.playstation.org
203.105.77.226	PTR	service.playstation.net
203.105.78.0	PTR	service.playstation.net
203.105.78.32	PTR	service.playstation.net
203.105.78.65	PTR	service.playstation.net
203.105.78.128	PTR	service.playstation.net
203.105.78.129	PTR	service.playstation.net
203.105.79.65	PTR	service.playstation.net
203.105.79.146	PTR	service.playstation.net