Robtex

Up: 142.4.40.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 142.4.41.0/25
Down right: 142.4.41.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
142.4.41.2	PTR	142-4-41-2.static.webnx.com
142.4.41.4	PTR	142-4-41-4.static.webnx.com
142.4.41.20	PTR	142-4-41-20.static.webnx.com
142.4.41.50	PTR	142-4-41-50.static.webnx.com
142.4.41.56	PTR	142-4-41-56.static.webnx.com
142.4.41.56	A	uufe.com
142.4.41.56	A	weari.com
142.4.41.92	PTR	142-4-41-92.static.webnx.com
142.4.41.106	PTR	142-4-41-106.static.webnx.com
142.4.41.106	A	ns1.nicepricehosting.net
142.4.41.107	PTR	142-4-41-107.static.webnx.com
142.4.41.107	A	www.nicepricehosting.net
142.4.41.107	A	nicepricehosting.net
142.4.41.108	PTR	142-4-41-108.static.webnx.com
142.4.41.108	A	nicewhois.com
142.4.41.109	PTR	142-4-41-109.static.webnx.com
142.4.41.109	A	ns2.nicepricehosting.net
142.4.41.110	A+PTR	mail.nicepricehosting.net
142.4.41.110	A	mail.nicewhois.com
142.4.41.130	A+PTR	www.webnx.com
142.4.41.130	A	webnx.com
142.4.41.138	PTR	spirit.unmannedspaceflight.com
142.4.41.138	A	www.unmannedspaceflight.com
142.4.41.138	A	dougellison.com
142.4.41.139	PTR	142-4-41-139.static.webnx.com
142.4.41.139	A	dns1.unmannedspaceflight.com
142.4.41.140	PTR	142-4-41-140.static.webnx.com
142.4.41.140	A	dns2.unmannedspaceflight.com
142.4.41.145	PTR	142-4-41-145.static.webnx.com
142.4.41.162	PTR	142-4-41-162.static.webnx.com
142.4.41.163	PTR	142-4-41-163.static.webnx.com
142.4.41.182	PTR	142-4-41-182.static.webnx.com