Robtex

Up: 122.146.28.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 122.146.28.0/24
Down right: 122.146.29.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
122.146.28.18	PTR	122-146-28-18.static.sparqnet.net
122.146.28.98	PTR	122-146-28-98.static.sparqnet.net
122.146.28.98	A	cmitpespam006.cmi.mercedes-benz.com.tw
122.146.29.3	PTR	tsannkuen.com
122.146.29.3	PTR	dns1.3csavvy.com
122.146.29.3	PTR	dns2.3csavvy.com
122.146.29.5	A+PTR	mx2.tk3c.tsannkuen.com
122.146.29.6	PTR	mx1.proworldhk.com
122.146.29.6	A+PTR	mx1.starcomgistic.com
122.146.29.6	A+PTR	mx1.tkmagiclab.com
122.146.29.7	PTR	hivemanagerng.tk3c.tsannkuen.com
122.146.29.7	PTR	mx3.tk3c.tsannkuen.com
122.146.29.244	PTR	proworldhk.com
122.146.29.244	PTR	mail.proworldhk.com
122.146.29.244	PTR	smtp.proworldhk.com