Robtex

Up: 58.137.134.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 58.137.135.0/25
Down right: 58.137.135.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
58.137.135.2	A	ncif.or.th
58.137.135.36	A	webmail.urcthailand.com
58.137.135.36	A	pop3.urcthailand.com
58.137.135.37	A+PTR	mail.urcthailand.com
58.137.135.184	A	mail2.diethelmbusinesstravel.com
58.137.135.184	A	mail2.diethelmevents.com
58.137.135.184	A	mail1.my.diethelmtravel.com