Robtex

Up: 135.23.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 135.23.0.0/20
Down right: 135.23.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
135.23.0.136	A+PTR	135-23-0-136.cpe.pppoe.ca
135.23.0.136	A	nervlabs.net
135.23.1.2	A+PTR	135-23-1-2.cpe.pppoe.ca
135.23.2.2	A+PTR	135-23-2-2.cpe.pppoe.ca
135.23.3.2	A+PTR	135-23-3-2.cpe.pppoe.ca
135.23.3.216	A	135-23-3-216.cpe.pppoe.ca
135.23.3.219	A	135-23-3-219.cpe.pppoe.ca
135.23.4.6	A+PTR	135-23-4-6.cpe.pppoe.ca
135.23.4.6	A	mail.gbjad.com
135.23.4.6	A	mail.gbjaid.com
135.23.5.2	PTR	135-23-5-2.cpe.pppoe.ca
135.23.5.3	A+PTR	135-23-5-3.cpe.pppoe.ca
135.23.5.3	A	lavallejeremy.com
135.23.5.3	A	cachemo.net
135.23.5.30	PTR	135-23-5-30.cpe.pppoe.ca
135.23.17.2	A+PTR	135-23-17-2.cpe.pppoe.ca
135.23.18.28	A+PTR	135-23-18-28.cpe.pppoe.ca
135.23.18.43	A+PTR	135-23-18-43.cpe.pppoe.ca
135.23.18.48	A+PTR	135-23-18-48.cpe.pppoe.ca
135.23.18.100	A+PTR	135-23-18-100.cpe.pppoe.ca
135.23.18.116	A+PTR	135-23-18-116.cpe.pppoe.ca
135.23.18.141	A+PTR	135-23-18-141.cpe.pppoe.ca
135.23.18.146	A+PTR	135-23-18-146.cpe.pppoe.ca
135.23.18.168	A+PTR	135-23-18-168.cpe.pppoe.ca
135.23.18.181	A+PTR	135-23-18-181.cpe.pppoe.ca
135.23.18.193	A+PTR	135-23-18-193.cpe.pppoe.ca
135.23.18.220	A+PTR	135-23-18-220.cpe.pppoe.ca
135.23.18.228	A+PTR	135-23-18-228.cpe.pppoe.ca
135.23.19.27	A+PTR	135-23-19-27.cpe.pppoe.ca
135.23.19.58	A+PTR	135-23-19-58.cpe.pppoe.ca
135.23.19.126	A+PTR	135-23-19-126.cpe.pppoe.ca
135.23.19.184	A+PTR	135-23-19-184.cpe.pppoe.ca
135.23.19.189	A+PTR	135-23-19-189.cpe.pppoe.ca
135.23.19.190	A+PTR	135-23-19-190.cpe.pppoe.ca
135.23.19.210	A+PTR	135-23-19-210.cpe.pppoe.ca
135.23.19.222	A+PTR	135-23-19-222.cpe.pppoe.ca
135.23.20.81	A	135-23-20-81.cpe.pppoe.ca
135.23.20.133	A	135-23-20-133.cpe.pppoe.ca
135.23.24.2	A+PTR	135-23-24-2.cpe.pppoe.ca
135.23.31.2	A+PTR	135-23-31-2.cpe.pppoe.ca