AS28949 81.161.240.0/20 CIDR and IP Range Summary.ASN: 28949 - Technical University of SofiaHost Count: 4094Addressable IPs: 409681.161.240.0/2481.161.241.0/2481.161.242.0/2481.161.243.0/2481.161.244.0/2481.161.245.0/2481.161.246.0/2481.161.247.0/2481.161.248.0/2481.161.249.0/2481.161.250.0/2481.161.251.0/2481.161.252.0/2481.161.253.0/2481.161.254.0/2481.161.255.0/24