Robtex

Up: 142.4.51.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 142.4.51.0/26
Down right: 142.4.51.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
142.4.51.11	PTR	mcla3.fpsbox.com
142.4.51.15	PTR	mcla3.fpsbox.com
142.4.51.18	PTR	142-4-51-18.static.webnx.com
142.4.51.18	A	era.org.tw
142.4.51.18	A	825985.com.tw
142.4.51.19	PTR	142-4-51-19.static.webnx.com
142.4.51.19	A	happybear.org.tw
142.4.51.19	A	bluebay.com.tw
142.4.51.20	PTR	142-4-51-20.static.webnx.com
142.4.51.21	PTR	142-4-51-21.static.webnx.com
142.4.51.21	A	twt-global.com
142.4.51.21	A	s180c.org
142.4.51.22	PTR	142-4-51-22.static.webnx.com
142.4.51.22	A	syhongrui.com
142.4.51.22	A	zhuan-hai.com
142.4.51.50	PTR	142-4-51-50.static.webnx.com
142.4.51.50	A	blog.daddyplace.com
142.4.51.50	A	bc-japan-1-2.daddyplace.com
142.4.51.60	PTR	142-4-51-60.static.webnx.com
142.4.51.60	A	cn-ztgj.com
142.4.51.60	A	116818.com
142.4.51.61	A	haizhiyuan-hgh.com
142.4.51.66	A	www.bitterandsalty.com
142.4.51.68	PTR	142-4-51-68.static.webnx.com
142.4.51.68	A	homefashion.info
142.4.51.68	A	wilpowerfitness.com
142.4.51.69	PTR	142-4-51-69.static.webnx.com
142.4.51.69	A	simplystaci.net
142.4.51.69	A	www.3000technology.com
142.4.51.71	A	yanksair.com
142.4.51.71	A	yanksair.org
142.4.51.72	PTR	142-4-51-72.static.webnx.com
142.4.51.72	A	globaliz.info
142.4.51.75	PTR	142-4-51-75.static.webnx.com
142.4.51.75	A	hugheshost.com
142.4.51.77	A	helpdesk.wcsweb.net
142.4.51.106	A+PTR	raymond.cc
142.4.51.106	A	www.raymond.cc
142.4.51.106	A	raymond.cd
142.4.51.107	A+PTR	forum.raymond.cc
142.4.51.116	PTR	142-4-51-116.static.webnx.com
142.4.51.116	A	tgzcm.com
142.4.51.116	A	0739seo.com
142.4.51.118	PTR	142-4-51-118.static.webnx.com
142.4.51.118	A	parkeli.nl