AS163 149.131.152.0/21 CIDR and IP Range Summary.ASN: 163 - IBMHost Count: 2046Addressable IPs: 2048149.131.152.0/24149.131.153.0/24149.131.154.0/24149.131.155.0/24149.131.156.0/24149.131.157.0/24149.131.158.0/24149.131.159.0/24