Robtex

Up: 180.211.180.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 180.211.180.0/25
Down right: 180.211.180.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
180.211.180.4	A	ns1.sust.ac.bd
180.211.180.6	A	web.sust.edu
180.211.180.7	A	mail.sust.ac.bd
180.211.180.8	PTR	mail.sust.edu.bd
180.211.180.8	PTR	ns2.sust.edu.bd
180.211.180.10	A+PTR	mail.sust.edu
180.211.180.12	A+PTR	mail.sust.ac.bd
180.211.180.12	A+PTR	ns1.sust.ac.bd
180.211.180.12	A	ns1.sust.edu
180.211.180.27	A	www.sust.edu
180.211.180.130	A	dns1.scslbd.com
180.211.180.131	A	dns2.scslbd.com
180.211.180.132	A	mail.scslbd.com