Robtex

Up: 192.3.48.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 192.3.48.0/24
Down right: 192.3.49.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.3.48.9	PTR	192-3-48-9-host.colocrossing.com
192.3.48.9	A	www.192-16801.com
192.3.48.9	A	www.huayuan-china.com
192.3.48.19	A	xn--4gva075h.com
192.3.48.36	PTR	192-3-48-36-host.colocrossing.com
192.3.48.36	A	kwwow.com
192.3.48.72	A	xx115.com
192.3.48.72	A	yongjintm.com
192.3.48.76	PTR	192-3-48-76-host.colocrossing.com
192.3.48.76	A	wanzhuanle.com
192.3.48.76	A	888xsd.com
192.3.48.79	PTR	192-3-48-79-host.colocrossing.com
192.3.48.79	A	tb005.com
192.3.48.79	A	shuwo.org
192.3.48.90	PTR	192-3-48-90-host.colocrossing.com
192.3.48.90	A	qfpbshow.com
192.3.48.90	A	sm1.cc
192.3.48.92	A	www.seoc2c.com
192.3.48.92	A	61zhibo.com
192.3.48.92	A	qinbobo.com
192.3.48.144	PTR
192.3.48.166	PTR	192-3-48-166-host.colocrossing.com
192.3.48.166	A	wrsfdb.com
192.3.48.173	PTR
192.3.48.177	PTR	192-3-48-177-host.colocrossing.com
192.3.48.177	A	762marlin.com
192.3.48.208	A	www.sohuochepiao.com
192.3.48.208	A	hengjingkj.com
192.3.48.208	A	lyyz888.com
192.3.48.238	PTR	192-3-48-238-host.colocrossing.com
192.3.48.238	A	o71wntz15dl2t.com
192.3.48.238	A	kxobe3pahu7fo.com
192.3.49.11	PTR
192.3.49.106	PTR