AS16839 148.139.0.0/20 CIDR and IP Range Summary.ASN: 16839 - ServiceNow Inc.Host Count: 4094Addressable IPs: 4096148.139.0.0/24148.139.1.0/24148.139.2.0/24148.139.3.0/24148.139.4.0/24148.139.5.0/24148.139.6.0/24148.139.7.0/24148.139.8.0/24148.139.9.0/24148.139.10.0/24148.139.11.0/24148.139.12.0/24148.139.13.0/24148.139.14.0/24148.139.15.0/24