Robtex

Up: 123.4.0.0/14
Can't show all results, try to descend to a more specific CIDR
Down left: 123.4.0.0/16
Down right: 123.5.0.0/16

IP	Type	Hostname
123.4.0.0	PTR	hn.kd.ny.adsl
123.4.0.2	PTR	hn.kd.ny.adsl
123.4.0.207	A	every.gnway.net
123.4.2.2	PTR	hn.kd.ny.adsl
123.4.2.3	PTR	hn.kd.ny.adsl
123.4.5.6	A	satutujuan.com
123.4.5.6	A	chuastesting.com
123.4.5.7	A	www.18yh.com
123.4.5.8	A	0507domainscainfo.info
123.4.12.2	PTR	hn.kd.ny.adsl
123.4.12.2	A	bccw8.com
123.4.46.0	PTR	hn.kd.ny.adsl
123.4.67.5	A	kamalargan94.com
123.4.67.5	A	allzabar.com
123.4.67.5	A	giuseppefiordaliso.com
123.4.98.2	PTR	hn.kd.ny.adsl
123.4.154.0	PTR	hn.kd.ny.adsl
123.4.222.112	A	xiaobuzheng.com
123.5.0.0	PTR	hn.kd.ny.adsl
123.5.0.1	PTR	hn.kd.ny.adsl
123.5.0.2	PTR	hn.kd.ny.adsl
123.5.0.3	PTR	hn.kd.ny.adsl
123.5.4.3	PTR	hn.kd.ny.adsl
123.5.6.2	PTR	hn.kd.ny.adsl
123.5.12.2	PTR	hn.kd.ny.adsl
123.5.18.2	PTR	hn.kd.ny.adsl
123.5.24.2	PTR	hn.kd.ny.adsl
123.5.56.49	A	sos2009com.3322.org
123.5.65.151	A	xxfz.ufyct.com
123.5.89.144	A	songjie.tk
123.5.123.89	A	lostinforever.tk
123.5.139.8	A	www.hanlitao.com
123.5.148.88	A	2517.tk
123.5.224.0	PTR	hn.kd.ny.adsl
123.5.224.2	PTR	hn.kd.ny.adsl
123.5.230.2	PTR	hn.kd.ny.adsl
123.5.236.3	PTR	hn.kd.ny.adsl
123.5.252.1	PTR	hn.kd.ny.adsl