AS53712 134.42.176.0/21 CIDR and IP Range Summary.ASN: 53712 - Wellington Management Company LLPHost Count: 2046Addressable IPs: 2048134.42.176.0/24134.42.177.0/24134.42.178.0/24134.42.179.0/24134.42.180.0/24134.42.181.0/24134.42.182.0/24134.42.183.0/24