Robtex

Up: 133.136.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 133.137.0.0/17
Down right: 133.137.128.0/17
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
133.137.0.2	A+PTR	2.0.137.133.dy.bbexcite.jp
133.137.0.195	A+PTR	195.0.137.133.dy.bbexcite.jp
133.137.44.171	A+PTR	171.44.137.133.dy.bbexcite.jp
133.137.44.173	A+PTR	173.44.137.133.dy.bbexcite.jp
133.137.48.221	A+PTR	221.48.137.133.dy.bbexcite.jp
133.137.51.60	A+PTR	60.51.137.133.dy.bbexcite.jp
133.137.61.181	A+PTR	181.61.137.133.dy.bbexcite.jp
133.137.61.181	A	araisports.com
133.137.66.79	A+PTR	79.66.137.133.dy.bbexcite.jp
133.137.66.79	A	irc.wayr3672.com
133.137.67.15	A	0030040c4084200005171631364921945594812.dkhs.jp
133.137.70.53	A+PTR	53.70.137.133.dy.bbexcite.jp
133.137.70.53	A	ns2.katu.jp
133.137.70.53	A	hoge1.x00.jp
133.137.71.33	A	0030040c3ff1200001060917337521815222308.dkhs.jp
133.137.71.137	A	nobita.jp
133.137.71.137	A	mail.forestgen.com
133.137.76.229	PTR	229.76.137.133.dy.bbexcite.jp
133.137.76.229	A	hostmaster.net-junk.net
133.137.77.205	A+PTR	205.77.137.133.dy.bbexcite.jp
133.137.77.205	A	sakmasa.com
133.137.78.48	A+PTR	48.78.137.133.dy.bbexcite.jp
133.137.82.65	A+PTR	65.82.137.133.dy.bbexcite.jp
133.137.82.227	A+PTR	227.82.137.133.dy.bbexcite.jp
133.137.83.77	A+PTR	77.83.137.133.dy.bbexcite.jp
133.137.83.77	A	www.ymg.nagoya
133.137.83.77	A	ymg.nagoya
133.137.84.170	A	p-max.info
133.137.86.90	PTR	90.86.137.133.dy.bbexcite.jp
133.137.90.101	PTR	101.90.137.133.dy.bbexcite.jp
133.137.90.101	A	hoge1.forestgen.jp
133.137.90.101	A	hoge1.forestgen.com
133.137.90.170	A	forestgen.com
133.137.95.10	PTR	10.95.137.133.dy.bbexcite.jp
133.137.96.183	A	0030040c41c9200003091520168731436924042.dkhs.jp
133.137.103.158	A+PTR	158.103.137.133.dy.bbexcite.jp
133.137.110.39	A+PTR	39.110.137.133.dy.bbexcite.jp
133.137.110.39	A	defrtsadfero.ooo
133.137.110.190	A+PTR	190.110.137.133.dy.bbexcite.jp
133.137.113.145	A+PTR	145.113.137.133.dy.bbexcite.jp
133.137.113.145	A	minamicloud.com
133.137.129.5	A+PTR	5.129.137.133.dy.bbexcite.jp
133.137.129.5	A	suzumidai.com
133.137.134.40	A+PTR	40.134.137.133.dy.bbexcite.jp
133.137.134.40	A	onenjyu.com
133.137.141.251	A	home.masa23.info
133.137.143.14	A+PTR	14.143.137.133.dy.bbexcite.jp
133.137.143.14	A	brymck.com
133.137.143.28	A	0030040c4238201305020841304621700445160.dkhs.jp
133.137.143.164	A+PTR	164.143.137.133.dy.bbexcite.jp
133.137.145.79	A+PTR	79.145.137.133.dy.bbexcite.jp
133.137.145.79	A	mine02c4.nagoya
133.137.146.60	A+PTR	60.146.137.133.dy.bbexcite.jp
133.137.156.221	A+PTR	221.156.137.133.dy.bbexcite.jp
133.137.157.153	A+PTR	153.157.137.133.dy.bbexcite.jp
133.137.159.188	A+PTR	188.159.137.133.dy.bbexcite.jp
133.137.159.188	A	log9.info
133.137.186.172	A+PTR	172.186.137.133.dy.bbexcite.jp
133.137.186.172	A	log111.com
133.137.188.218	A+PTR	218.188.137.133.dy.bbexcite.jp
133.137.188.218	A	nonbiri-swing.org
133.137.207.219	A+PTR	219.207.137.133.dy.bbexcite.jp
133.137.207.219	A	bykoperwsdam.ooo
133.137.210.254	A+PTR	254.210.137.133.dy.bbexcite.jp
133.137.214.132	A+PTR	132.214.137.133.dy.bbexcite.jp
133.137.217.43	A	0030040c4131200001010901503120678095666.dkhs.jp
133.137.218.58	A+PTR	58.218.137.133.dy.bbexcite.jp
133.137.219.147	A+PTR	147.219.137.133.dy.bbexcite.jp
133.137.219.194	A+PTR	194.219.137.133.dy.bbexcite.jp
133.137.219.194	A	ym326.com
133.137.222.121	A	ej-kawagu.com
133.137.222.157	A+PTR	157.222.137.133.dy.bbexcite.jp
133.137.223.0	A	0.223.137.133.rev.iijmobile.jp
133.137.224.0	A	0.224.137.133.rev.iijmobile.jp
133.137.225.0	A	0.225.137.133.rev.iijmobile.jp
133.137.226.0	A	0.226.137.133.rev.iijmobile.jp
133.137.227.0	A	0.227.137.133.rev.iijmobile.jp
133.137.228.0	A	0.228.137.133.rev.iijmobile.jp
133.137.229.0	A	0.229.137.133.rev.iijmobile.jp
133.137.230.0	A	0.230.137.133.rev.iijmobile.jp
133.137.231.0	A	0.231.137.133.rev.iijmobile.jp
133.137.232.0	A	0.232.137.133.rev.iijmobile.jp
133.137.233.0	A	0.233.137.133.rev.iijmobile.jp
133.137.234.0	A	0.234.137.133.rev.iijmobile.jp
133.137.235.0	A	0.235.137.133.rev.iijmobile.jp
133.137.236.0	A	0.236.137.133.rev.iijmobile.jp
133.137.237.0	A	0.237.137.133.rev.iijmobile.jp
133.137.238.0	A	0.238.137.133.rev.iijmobile.jp
133.137.239.0	A	0.239.137.133.rev.iijmobile.jp
133.137.240.0	A	0.240.137.133.rev.iijmobile.jp
133.137.241.0	A	0.241.137.133.rev.iijmobile.jp
133.137.242.0	A	0.242.137.133.rev.iijmobile.jp
133.137.243.0	A	0.243.137.133.rev.iijmobile.jp
133.137.244.0	A	0.244.137.133.rev.iijmobile.jp
133.137.245.0	A	0.245.137.133.rev.iijmobile.jp
133.137.246.0	A	0.246.137.133.rev.iijmobile.jp
133.137.247.0	A	0.247.137.133.rev.iijmobile.jp
133.137.248.0	A	0.248.137.133.rev.iijmobile.jp
133.137.249.0	A	0.249.137.133.rev.iijmobile.jp
133.137.250.0	A	0.250.137.133.rev.iijmobile.jp
133.137.251.0	A	0.251.137.133.rev.iijmobile.jp
133.137.252.0	A	0.252.137.133.rev.iijmobile.jp
133.137.253.0	A	0.253.137.133.rev.iijmobile.jp
133.137.254.0	A	0.254.137.133.rev.iijmobile.jp
133.137.255.0	A	0.255.137.133.rev.iijmobile.jp