AS37189 168.253.56.0/21 CIDR and IP Range Summary.ASN: 37189 - Yoafrica3Host Count: 2046Addressable IPs: 2048168.253.56.0/24168.253.57.0/24168.253.58.0/24168.253.59.0/24168.253.60.0/24168.253.61.0/24168.253.62.0/24168.253.63.0/24