AS209 63.156.16.0/20 CIDR and IP Range Summary.ASN: 209 - CenturyLink Communications LLCHost Count: 4094Addressable IPs: 409663.156.16.0/2463.156.17.0/2463.156.18.0/2463.156.19.0/2463.156.20.0/2463.156.21.0/2463.156.22.0/2463.156.23.0/2463.156.24.0/2463.156.25.0/2463.156.26.0/2463.156.27.0/2463.156.28.0/2463.156.29.0/2463.156.30.0/2463.156.31.0/24