203.189.0.0 - 203.189.1.255 (ATC-BD) Providing Internet Access to public sector, private sector and; corporate sector. Using TCP/IP, PPP with dynamic IP, UUCP.; BD 203.189.252.0 - 203.189.255.255 (SSLIDT-BD) Spectra Solutions Limited; 1704, Sena Kalyan Bhaban,; Dhaka-1000; Bangladesh.; BD