AS13 6.3.72.0/24 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 254Addressable IPs: 256 6.3.72.06.3.72.16.3.72.26.3.72.36.3.72.46.3.72.56.3.72.66.3.72.76.3.72.86.3.72.96.3.72.106.3.72.116.3.72.126.3.72.136.3.72.146.3.72.156.3.72.166.3.72.176.3.72.186.3.72.196.3.72.206.3.72.216.3.72.226.3.72.236.3.72.246.3.72.256.3.72.266.3.72.276.3.72.286.3.72.296.3.72.306.3.72.316.3.72.326.3.72.336.3.72.346.3.72.356.3.72.366.3.72.376.3.72.386.3.72.396.3.72.406.3.72.416.3.72.426.3.72.436.3.72.446.3.72.456.3.72.466.3.72.476.3.72.486.3.72.496.3.72.506.3.72.516.3.72.526.3.72.536.3.72.546.3.72.556.3.72.566.3.72.576.3.72.586.3.72.596.3.72.606.3.72.616.3.72.626.3.72.636.3.72.646.3.72.656.3.72.666.3.72.676.3.72.686.3.72.696.3.72.706.3.72.716.3.72.726.3.72.736.3.72.746.3.72.756.3.72.766.3.72.776.3.72.786.3.72.796.3.72.806.3.72.816.3.72.826.3.72.836.3.72.846.3.72.856.3.72.866.3.72.876.3.72.886.3.72.896.3.72.906.3.72.916.3.72.926.3.72.936.3.72.946.3.72.956.3.72.966.3.72.976.3.72.986.3.72.996.3.72.1006.3.72.1016.3.72.1026.3.72.1036.3.72.1046.3.72.1056.3.72.1066.3.72.1076.3.72.1086.3.72.1096.3.72.1106.3.72.1116.3.72.1126.3.72.1136.3.72.1146.3.72.1156.3.72.1166.3.72.1176.3.72.1186.3.72.1196.3.72.1206.3.72.1216.3.72.1226.3.72.1236.3.72.1246.3.72.1256.3.72.1266.3.72.1276.3.72.1286.3.72.1296.3.72.1306.3.72.1316.3.72.1326.3.72.1336.3.72.1346.3.72.1356.3.72.1366.3.72.1376.3.72.1386.3.72.1396.3.72.1406.3.72.1416.3.72.1426.3.72.1436.3.72.1446.3.72.1456.3.72.1466.3.72.1476.3.72.1486.3.72.1496.3.72.1506.3.72.1516.3.72.1526.3.72.1536.3.72.1546.3.72.1556.3.72.1566.3.72.1576.3.72.1586.3.72.1596.3.72.1606.3.72.1616.3.72.1626.3.72.1636.3.72.1646.3.72.1656.3.72.1666.3.72.1676.3.72.1686.3.72.1696.3.72.1706.3.72.1716.3.72.1726.3.72.1736.3.72.1746.3.72.1756.3.72.1766.3.72.1776.3.72.1786.3.72.1796.3.72.1806.3.72.1816.3.72.1826.3.72.1836.3.72.1846.3.72.1856.3.72.1866.3.72.1876.3.72.1886.3.72.1896.3.72.1906.3.72.1916.3.72.1926.3.72.1936.3.72.1946.3.72.1956.3.72.1966.3.72.1976.3.72.1986.3.72.1996.3.72.2006.3.72.2016.3.72.2026.3.72.2036.3.72.2046.3.72.2056.3.72.2066.3.72.2076.3.72.2086.3.72.2096.3.72.2106.3.72.2116.3.72.2126.3.72.2136.3.72.2146.3.72.2156.3.72.2166.3.72.2176.3.72.2186.3.72.2196.3.72.2206.3.72.2216.3.72.2226.3.72.2236.3.72.2246.3.72.2256.3.72.2266.3.72.2276.3.72.2286.3.72.2296.3.72.2306.3.72.2316.3.72.2326.3.72.2336.3.72.2346.3.72.2356.3.72.2366.3.72.2376.3.72.2386.3.72.2396.3.72.2406.3.72.2416.3.72.2426.3.72.2436.3.72.2446.3.72.2456.3.72.2466.3.72.2476.3.72.2486.3.72.2496.3.72.2506.3.72.2516.3.72.2526.3.72.2536.3.72.2546.3.72.255