AS42147 158.172.100.0/22 CIDR and IP Range Summary.ASN: 42147 - Sociedad Estatal Correos y Telegrafos S.A.Host Count: 1022Addressable IPs: 1024158.172.100.0/24158.172.101.0/24158.172.102.0/24158.172.103.0/24