AS19226 139.229.144.0/20 CIDR and IP Range Summary.ASN: 19226 - NSF's NoirlabHost Count: 4094Addressable IPs: 4096139.229.144.0/24139.229.145.0/24139.229.146.0/24139.229.147.0/24139.229.148.0/24139.229.149.0/24139.229.150.0/24139.229.151.0/24139.229.152.0/24139.229.153.0/24139.229.154.0/24139.229.155.0/24139.229.156.0/24139.229.157.0/24139.229.158.0/24139.229.159.0/24