Robtex

Up: 210.142.0.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 210.142.64.0/19
Down right: 210.142.96.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.142.64.0	A+PTR	210-142-64-0.bekknet.net
210.142.65.90	A+PTR	210-142-65-90.bekknet.net
210.142.68.67	A+PTR	210-142-68-67.bekknet.net
210.142.71.1	A+PTR	210-142-71-1.bekknet.net
210.142.71.2	A+PTR	210-142-71-2.bekknet.net
210.142.71.4	A	210-142-71-4.bekknet.net
210.142.71.5	A	210-142-71-5.bekknet.net
210.142.71.67	A+PTR	210-142-71-67.bekknet.net
210.142.71.70	A	210-142-71-70.bekknet.net
210.142.71.72	A	210-142-71-72.bekknet.net
210.142.71.75	A	210-142-71-75.bekknet.net
210.142.71.130	A+PTR	210-142-71-130.bekknet.net
210.142.71.138	A	210-142-71-138.bekknet.net
210.142.71.144	A	210-142-71-144.bekknet.net
210.142.71.146	A	210-142-71-146.bekknet.net
210.142.71.193	A+PTR	210-142-71-193.bekknet.net
210.142.71.203	A	210-142-71-203.bekknet.net
210.142.71.204	A	210-142-71-204.bekknet.net
210.142.71.207	A	210-142-71-207.bekknet.net
210.142.80.2	A	ns03.e-nine.jp
210.142.80.2	A	ns03.puriq.jp
210.142.80.2	A	ns03.spiderd.com
210.142.80.20	PTR	mainengine12.haiat.jp
210.142.80.23	PTR	mainengine15.haiat.jp
210.142.80.73	A+PTR	smtp2101428073.discovery-mail.net
210.142.80.73	A	juity1.com
210.142.80.74	A+PTR	smtp2101428074.discovery-mail.net
210.142.80.74	A	bcom0.com
210.142.80.128	A+PTR	smtp21014280128.discoverymail.co.jp
210.142.80.132	PTR	80-132.discovery-mail.net
210.142.80.132	A	mx2.junichiwatanabe.eu
210.142.80.132	A	ns1.junichiwatanabe.eu
210.142.80.200	A+PTR	mainengine.goldexw.jp
210.142.80.200	A	ns2.zakuhappy.jp
210.142.80.200	A	mx1.lipton1923.com
210.142.82.6	A+PTR	mainengine6.goldexw.jp
210.142.82.6	A	zakuhappy.jp
210.142.82.21	A	txt0.net
210.142.82.33	A+PTR	smtp2101428233.discoverymail.co.jp
210.142.82.37	PTR	82-37.discovery-mail.net
210.142.82.64	A	gagel-sp.com
210.142.82.65	A	ns1.maj4future2m.com
210.142.82.65	A	ns1.cut4child2j.net
210.142.82.65	A	ns1.lo7so1u.net
210.142.82.66	PTR	smtp2101428266.discoverymail.co.jp
210.142.82.160	A+PTR	smtp21014282160.discovery-mail.net
210.142.82.160	A	katamkaet.com
210.142.82.178	A+PTR	smtp21014282178.discovery-mail.net
210.142.82.178	A	lalalalando49.com
210.142.83.2	A+PTR	smtp210142832.discovery-mail.net
210.142.83.2	A	mx1.kondo-takumi.com
210.142.83.2	A	ns1.kondo-takumi.com
210.142.83.3	PTR	smtp210142833.discovery-mail.net
210.142.83.64	A	householdflounder.com
210.142.83.64	A	mx2.lighthouseirrational.com
210.142.83.64	A	epitomehell.com
210.142.84.84	A	worldcloudsv.com
210.142.84.101	A	kabukami.jp
210.142.84.101	A	smtp21014284101.discoverymail.co.jp
210.142.84.128	A	ns1.7m7nrx-46f2.com
210.142.84.128	A	ns1.7ipgffu847.com
210.142.84.128	A	ns1.6x5xc83rji45ac.com
210.142.87.132	A	7d37kba876uea.com
210.142.87.141	A	mx1.7d37kba876uea.com
210.142.87.141	A	mx1.7ipgffu847.com
210.142.87.141	A	mx2.7ipgffu847.com
210.142.88.153	A+PTR	153.88.142.210.ap.dream.jp
210.142.89.101	A+PTR	101.89.142.210.ap.dream.jp
210.142.92.0	A	0.92.142.210.ap.mvno.net
210.142.92.21	A+PTR	21.92.142.210.ap.mvno.net
210.142.92.25	A	25.92.142.210.ap.mvno.net
210.142.92.132	A+PTR	132.92.142.210.ap.mvno.net
210.142.96.0	A	0.96.142.210.ap.mvno.net
210.142.96.218	A+PTR	218.96.142.210.ap.mvno.net
210.142.97.0	A	0.97.142.210.ap.mvno.net
210.142.98.0	A	0.98.142.210.ap.mvno.net
210.142.98.114	A+PTR	114.98.142.210.ap.mvno.net
210.142.98.114	A	eroge-yakata.com
210.142.99.0	A	0.99.142.210.ap.mvno.net
210.142.100.0	A	0.100.142.210.ap.mvno.net
210.142.101.0	A	0.101.142.210.ap.mvno.net
210.142.102.0	A	0.102.142.210.ap.mvno.net
210.142.103.0	A+PTR	0.103.142.210.ap.mvno.net
210.142.104.0	A	0.104.142.210.ap.mvno.net
210.142.104.163	A+PTR	163.104.142.210.ap.mvno.net
210.142.105.0	A	0.105.142.210.ap.mvno.net
210.142.105.22	A+PTR	22.105.142.210.ap.mvno.net
210.142.105.23	A+PTR	23.105.142.210.ap.mvno.net
210.142.105.197	A+PTR	197.105.142.210.ap.mvno.net
210.142.106.0	A	0.106.142.210.ap.mvno.net
210.142.107.0	A	0.107.142.210.ap.mvno.net
210.142.116.1	A	wstyle-1.bekkoame.ne.jp
210.142.116.128	PTR	wstyle-128.bekkoame.ne.jp
210.142.116.191	A	wstyle-191.bekkoame.ne.jp
210.142.116.195	PTR	wstyle-195.bekkoame.ne.jp
210.142.120.110	PTR	110.120.142.210.ap.dream.jp