Robtex

Up: 202.42.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 202.42.244.0/23
Down right: 202.42.246.0/23

IP	Type	Hostname
202.42.246.166	PTR	mail.immodicus.com
202.42.246.208	A	smlshipyard.com
202.42.247.36	PTR	smtp1.syntellect.net
202.42.247.99	PTR	mail.weitnauer.com.sg
202.42.247.228	PTR	mail.parkhotelgroup.com
202.42.247.228	A	www.vbh.me
202.42.247.231	PTR	mail.parkhotelgroup.com
202.42.247.232	PTR	smtp.parkhotelgroup.com
202.42.247.234	PTR	mx1.mjm.com.sg
202.42.247.238	PTR	202-42-247-238.revdns.pacificinternet.com
202.42.247.250	A	speedtest.pacificinternet.com