AS12187 170.28.128.0/20 CIDR and IP Range Summary.ASN: 12187 - Metropolitan Transportation AuthorityHost Count: 4094Addressable IPs: 4096170.28.128.0/24170.28.129.0/24170.28.130.0/24170.28.131.0/24170.28.132.0/24170.28.133.0/24170.28.134.0/24170.28.135.0/24170.28.136.0/24170.28.137.0/24170.28.138.0/24170.28.139.0/24170.28.140.0/24170.28.141.0/24170.28.142.0/24170.28.143.0/24