Robtex

Up: 180.234.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 180.234.28.0/23
Down right: 180.234.30.0/23

IP	Type	Hostname
180.234.28.1	PTR	awbl28-1.qubee.com.bd
180.234.28.6	PTR	awbl28-6.qubee.com.bd
180.234.28.29	PTR	awbl28-29.qubee.com.bd
180.234.28.37	PTR	awbl28-37.qubee.com.bd
180.234.28.55	PTR	awbl28-55.qubee.com.bd
180.234.28.66	PTR	awbl28-66.qubee.com.bd
180.234.28.110	PTR	awbl28-110.qubee.com.bd
180.234.28.128	PTR	awbl28-128.qubee.com.bd
180.234.28.181	PTR	awbl28-181.qubee.com.bd
180.234.28.182	PTR	awbl28-182.qubee.com.bd
180.234.29.2	PTR	awbl29-2.qubee.com.bd
180.234.29.16	PTR	awbl29-16.qubee.com.bd
180.234.29.105	PTR	awbl29-105.qubee.com.bd
180.234.29.139	PTR	awbl29-139.qubee.com.bd
180.234.29.205	PTR	awbl29-205.qubee.com.bd
180.234.30.151	PTR	awbl30-151.qubee.com.bd
180.234.30.194	PTR	awbl30-194.qubee.com.bd
180.234.31.52	PTR	awbl31-52.qubee.com.bd
180.234.31.77	PTR	awbl31-77.qubee.com.bd
180.234.31.79	PTR	awbl31-79.qubee.com.bd
180.234.31.92	PTR	awbl31-92.qubee.com.bd
180.234.31.95	PTR	awbl31-95.qubee.com.bd
180.234.31.101	PTR	awbl31-101.qubee.com.bd
180.234.31.113	PTR	awbl31-113.qubee.com.bd
180.234.31.122	PTR	awbl31-122.qubee.com.bd
180.234.31.127	PTR	awbl31-127.qubee.com.bd
180.234.31.152	PTR	awbl31-152.qubee.com.bd
180.234.31.179	PTR	awbl31-179.qubee.com.bd
180.234.31.193	PTR	awbl31-193.qubee.com.bd
180.234.31.199	PTR	awbl31-199.qubee.com.bd
180.234.31.203	PTR	awbl31-203.qubee.com.bd
180.234.31.211	PTR	awbl31-211.qubee.com.bd
180.234.31.247	PTR	awbl31-247.qubee.com.bd