AS8447 188.21.16.0/20 CIDR and IP Range Summary.ASN: 8447 - A1 Telekom Austria AGHost Count: 4094Addressable IPs: 4096188.21.16.0/24188.21.17.0/24188.21.18.0/24188.21.19.0/24188.21.20.0/24188.21.21.0/24188.21.22.0/24188.21.23.0/24188.21.24.0/24188.21.25.0/24188.21.26.0/24188.21.27.0/24188.21.28.0/24188.21.29.0/24188.21.30.0/24188.21.31.0/24