AS13 6.216.21.0/24 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 254Addressable IPs: 256 6.216.21.06.216.21.16.216.21.26.216.21.36.216.21.46.216.21.56.216.21.66.216.21.76.216.21.86.216.21.96.216.21.106.216.21.116.216.21.126.216.21.136.216.21.146.216.21.156.216.21.166.216.21.176.216.21.186.216.21.196.216.21.206.216.21.216.216.21.226.216.21.236.216.21.246.216.21.256.216.21.266.216.21.276.216.21.286.216.21.296.216.21.306.216.21.316.216.21.326.216.21.336.216.21.346.216.21.356.216.21.366.216.21.376.216.21.386.216.21.396.216.21.406.216.21.416.216.21.426.216.21.436.216.21.446.216.21.456.216.21.466.216.21.476.216.21.486.216.21.496.216.21.506.216.21.516.216.21.526.216.21.536.216.21.546.216.21.556.216.21.566.216.21.576.216.21.586.216.21.596.216.21.606.216.21.616.216.21.626.216.21.636.216.21.646.216.21.656.216.21.666.216.21.676.216.21.686.216.21.696.216.21.706.216.21.716.216.21.726.216.21.736.216.21.746.216.21.756.216.21.766.216.21.776.216.21.786.216.21.796.216.21.806.216.21.816.216.21.826.216.21.836.216.21.846.216.21.856.216.21.866.216.21.876.216.21.886.216.21.896.216.21.906.216.21.916.216.21.926.216.21.936.216.21.946.216.21.956.216.21.966.216.21.976.216.21.986.216.21.996.216.21.1006.216.21.1016.216.21.1026.216.21.1036.216.21.1046.216.21.1056.216.21.1066.216.21.1076.216.21.1086.216.21.1096.216.21.1106.216.21.1116.216.21.1126.216.21.1136.216.21.1146.216.21.1156.216.21.1166.216.21.1176.216.21.1186.216.21.1196.216.21.1206.216.21.1216.216.21.1226.216.21.1236.216.21.1246.216.21.1256.216.21.1266.216.21.1276.216.21.1286.216.21.1296.216.21.1306.216.21.1316.216.21.1326.216.21.1336.216.21.1346.216.21.1356.216.21.1366.216.21.1376.216.21.1386.216.21.1396.216.21.1406.216.21.1416.216.21.1426.216.21.1436.216.21.1446.216.21.1456.216.21.1466.216.21.1476.216.21.1486.216.21.1496.216.21.1506.216.21.1516.216.21.1526.216.21.1536.216.21.1546.216.21.1556.216.21.1566.216.21.1576.216.21.1586.216.21.1596.216.21.1606.216.21.1616.216.21.1626.216.21.1636.216.21.1646.216.21.1656.216.21.1666.216.21.1676.216.21.1686.216.21.1696.216.21.1706.216.21.1716.216.21.1726.216.21.1736.216.21.1746.216.21.1756.216.21.1766.216.21.1776.216.21.1786.216.21.1796.216.21.1806.216.21.1816.216.21.1826.216.21.1836.216.21.1846.216.21.1856.216.21.1866.216.21.1876.216.21.1886.216.21.1896.216.21.1906.216.21.1916.216.21.1926.216.21.1936.216.21.1946.216.21.1956.216.21.1966.216.21.1976.216.21.1986.216.21.1996.216.21.2006.216.21.2016.216.21.2026.216.21.2036.216.21.2046.216.21.2056.216.21.2066.216.21.2076.216.21.2086.216.21.2096.216.21.2106.216.21.2116.216.21.2126.216.21.2136.216.21.2146.216.21.2156.216.21.2166.216.21.2176.216.21.2186.216.21.2196.216.21.2206.216.21.2216.216.21.2226.216.21.2236.216.21.2246.216.21.2256.216.21.2266.216.21.2276.216.21.2286.216.21.2296.216.21.2306.216.21.2316.216.21.2326.216.21.2336.216.21.2346.216.21.2356.216.21.2366.216.21.2376.216.21.2386.216.21.2396.216.21.2406.216.21.2416.216.21.2426.216.21.2436.216.21.2446.216.21.2456.216.21.2466.216.21.2476.216.21.2486.216.21.2496.216.21.2506.216.21.2516.216.21.2526.216.21.2536.216.21.2546.216.21.255