AS13 6.3.91.0/24 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 254Addressable IPs: 256 6.3.91.06.3.91.16.3.91.26.3.91.36.3.91.46.3.91.56.3.91.66.3.91.76.3.91.86.3.91.96.3.91.106.3.91.116.3.91.126.3.91.136.3.91.146.3.91.156.3.91.166.3.91.176.3.91.186.3.91.196.3.91.206.3.91.216.3.91.226.3.91.236.3.91.246.3.91.256.3.91.266.3.91.276.3.91.286.3.91.296.3.91.306.3.91.316.3.91.326.3.91.336.3.91.346.3.91.356.3.91.366.3.91.376.3.91.386.3.91.396.3.91.406.3.91.416.3.91.426.3.91.436.3.91.446.3.91.456.3.91.466.3.91.476.3.91.486.3.91.496.3.91.506.3.91.516.3.91.526.3.91.536.3.91.546.3.91.556.3.91.566.3.91.576.3.91.586.3.91.596.3.91.606.3.91.616.3.91.626.3.91.636.3.91.646.3.91.656.3.91.666.3.91.676.3.91.686.3.91.696.3.91.706.3.91.716.3.91.726.3.91.736.3.91.746.3.91.756.3.91.766.3.91.776.3.91.786.3.91.796.3.91.806.3.91.816.3.91.826.3.91.836.3.91.846.3.91.856.3.91.866.3.91.876.3.91.886.3.91.896.3.91.906.3.91.916.3.91.926.3.91.936.3.91.946.3.91.956.3.91.966.3.91.976.3.91.986.3.91.996.3.91.1006.3.91.1016.3.91.1026.3.91.1036.3.91.1046.3.91.1056.3.91.1066.3.91.1076.3.91.1086.3.91.1096.3.91.1106.3.91.1116.3.91.1126.3.91.1136.3.91.1146.3.91.1156.3.91.1166.3.91.1176.3.91.1186.3.91.1196.3.91.1206.3.91.1216.3.91.1226.3.91.1236.3.91.1246.3.91.1256.3.91.1266.3.91.1276.3.91.1286.3.91.1296.3.91.1306.3.91.1316.3.91.1326.3.91.1336.3.91.1346.3.91.1356.3.91.1366.3.91.1376.3.91.1386.3.91.1396.3.91.1406.3.91.1416.3.91.1426.3.91.1436.3.91.1446.3.91.1456.3.91.1466.3.91.1476.3.91.1486.3.91.1496.3.91.1506.3.91.1516.3.91.1526.3.91.1536.3.91.1546.3.91.1556.3.91.1566.3.91.1576.3.91.1586.3.91.1596.3.91.1606.3.91.1616.3.91.1626.3.91.1636.3.91.1646.3.91.1656.3.91.1666.3.91.1676.3.91.1686.3.91.1696.3.91.1706.3.91.1716.3.91.1726.3.91.1736.3.91.1746.3.91.1756.3.91.1766.3.91.1776.3.91.1786.3.91.1796.3.91.1806.3.91.1816.3.91.1826.3.91.1836.3.91.1846.3.91.1856.3.91.1866.3.91.1876.3.91.1886.3.91.1896.3.91.1906.3.91.1916.3.91.1926.3.91.1936.3.91.1946.3.91.1956.3.91.1966.3.91.1976.3.91.1986.3.91.1996.3.91.2006.3.91.2016.3.91.2026.3.91.2036.3.91.2046.3.91.2056.3.91.2066.3.91.2076.3.91.2086.3.91.2096.3.91.2106.3.91.2116.3.91.2126.3.91.2136.3.91.2146.3.91.2156.3.91.2166.3.91.2176.3.91.2186.3.91.2196.3.91.2206.3.91.2216.3.91.2226.3.91.2236.3.91.2246.3.91.2256.3.91.2266.3.91.2276.3.91.2286.3.91.2296.3.91.2306.3.91.2316.3.91.2326.3.91.2336.3.91.2346.3.91.2356.3.91.2366.3.91.2376.3.91.2386.3.91.2396.3.91.2406.3.91.2416.3.91.2426.3.91.2436.3.91.2446.3.91.2456.3.91.2466.3.91.2476.3.91.2486.3.91.2496.3.91.2506.3.91.2516.3.91.2526.3.91.2536.3.91.2546.3.91.255