Robtex

Up: 180.234.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 180.234.252.0/23
Down right: 180.234.254.0/23

IP	Type	Hostname
180.234.252.70	PTR	awbl252-70.qubee.com.bd
180.234.253.56	PTR	awbl253-56.qubee.com.bd
180.234.253.115	PTR	awbl253-115.qubee.com.bd
180.234.253.148	PTR	awbl253-148.qubee.com.bd
180.234.253.151	PTR	awbl253-151.qubee.com.bd
180.234.253.193	PTR	awbl253-193.qubee.com.bd
180.234.253.222	PTR	awbl253-222.qubee.com.bd
180.234.253.246	PTR	awbl253-246.qubee.com.bd
180.234.254.9	PTR	awbl254-9.qubee.com.bd
180.234.254.32	PTR	awbl254-32.qubee.com.bd
180.234.254.173	PTR	awbl254-173.qubee.com.bd
180.234.255.121	PTR	awbl255-121.qubee.com.bd
180.234.255.162	PTR	awbl255-162.qubee.com.bd