AS52544 177.152.152.0/21 CIDR and IP Range Summary.ASN: 52544 - Ivatel Redes e Internet LtdaHost Count: 2046Addressable IPs: 2048177.152.152.0/24177.152.153.0/24177.152.154.0/24177.152.155.0/24177.152.156.0/24177.152.157.0/24177.152.158.0/24177.152.159.0/24