Robtex

Up: 118.201.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 118.201.0.0/23
Down right: 118.201.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
118.201.1.128	A	onepass.singtel.com
118.201.2.40	A+PTR	antispam.infratechmm.com
118.201.2.40	A	antispam.baganmail.com
118.201.2.44	A	mail.baganmail.com
118.201.2.45	A	mail.baganmail.com
118.201.2.45	A	mail.infragroupasia.com
118.201.2.45	A	mail.infratechmm.com
118.201.2.116	A	smtp.ebs-singtel.com
118.201.2.211	A	mx1.yamaltrade.sg
118.201.2.212	A	mx2.yamaltrade.sg
118.201.3.226	A	sg-mxserver.o2micro.com