65,536
IPv4 Addresses
1
Network Blocks (/16)
Contra Costa County Office of Education (AS23309) is a network operator registered in 🇺🇸 United States. It announces approximately 65,536 IPv4 addresses across 1 /16 network blocks. The complete list of network ranges is shown below — click any address to view its full geolocation and network report.
📡 IP Address Ranges
1 blocks · 256 /24 networks169.199.0.0169.199.1.0169.199.2.0169.199.3.0169.199.4.0169.199.5.0169.199.6.0169.199.7.0169.199.8.0169.199.9.0169.199.10.0169.199.11.0169.199.12.0169.199.13.0169.199.14.0169.199.15.0169.199.16.0169.199.17.0169.199.18.0169.199.19.0169.199.20.0169.199.21.0169.199.22.0169.199.23.0169.199.24.0169.199.25.0169.199.26.0169.199.27.0169.199.28.0169.199.29.0169.199.30.0169.199.31.0169.199.32.0169.199.33.0169.199.34.0169.199.35.0169.199.36.0169.199.37.0169.199.38.0169.199.39.0169.199.40.0169.199.41.0169.199.42.0169.199.43.0169.199.44.0169.199.45.0169.199.46.0169.199.47.0169.199.48.0169.199.49.0169.199.50.0169.199.51.0169.199.52.0169.199.53.0169.199.54.0169.199.55.0169.199.56.0169.199.57.0169.199.58.0169.199.59.0169.199.60.0169.199.61.0169.199.62.0169.199.63.0169.199.64.0169.199.65.0169.199.66.0169.199.67.0169.199.68.0169.199.69.0169.199.70.0169.199.71.0169.199.72.0169.199.73.0169.199.74.0169.199.75.0169.199.76.0169.199.77.0169.199.78.0169.199.79.0169.199.80.0169.199.81.0169.199.82.0169.199.83.0169.199.84.0169.199.85.0169.199.86.0169.199.87.0169.199.88.0169.199.89.0169.199.90.0169.199.91.0169.199.92.0169.199.93.0169.199.94.0169.199.95.0169.199.96.0169.199.97.0169.199.98.0169.199.99.0169.199.100.0169.199.101.0169.199.102.0169.199.103.0169.199.104.0169.199.105.0169.199.106.0169.199.107.0169.199.108.0169.199.109.0169.199.110.0169.199.111.0169.199.112.0169.199.113.0169.199.114.0169.199.115.0169.199.116.0169.199.117.0169.199.118.0169.199.119.0169.199.120.0169.199.121.0169.199.122.0169.199.123.0169.199.124.0169.199.125.0169.199.126.0169.199.127.0169.199.128.0169.199.129.0169.199.130.0169.199.131.0169.199.132.0169.199.133.0169.199.134.0169.199.135.0169.199.136.0169.199.137.0169.199.138.0169.199.139.0169.199.140.0169.199.141.0169.199.142.0169.199.143.0169.199.144.0169.199.145.0169.199.146.0169.199.147.0169.199.148.0169.199.149.0169.199.150.0169.199.151.0169.199.152.0169.199.153.0169.199.154.0169.199.155.0169.199.156.0169.199.157.0169.199.158.0169.199.159.0169.199.160.0169.199.161.0169.199.162.0169.199.163.0169.199.164.0169.199.165.0169.199.166.0169.199.167.0169.199.168.0169.199.169.0169.199.170.0169.199.171.0169.199.172.0169.199.173.0169.199.174.0169.199.175.0169.199.176.0169.199.177.0169.199.178.0169.199.179.0169.199.180.0169.199.181.0169.199.182.0169.199.183.0169.199.184.0169.199.185.0169.199.186.0169.199.187.0169.199.188.0169.199.189.0169.199.190.0169.199.191.0169.199.192.0169.199.193.0169.199.194.0169.199.195.0169.199.196.0169.199.197.0169.199.198.0169.199.199.0169.199.200.0169.199.201.0169.199.202.0169.199.203.0169.199.204.0169.199.205.0169.199.206.0169.199.207.0169.199.208.0169.199.209.0169.199.210.0169.199.211.0169.199.212.0169.199.213.0169.199.214.0169.199.215.0169.199.216.0169.199.217.0169.199.218.0169.199.219.0169.199.220.0169.199.221.0169.199.222.0169.199.223.0169.199.224.0169.199.225.0169.199.226.0169.199.227.0169.199.228.0169.199.229.0169.199.230.0169.199.231.0169.199.232.0169.199.233.0169.199.234.0169.199.235.0169.199.236.0169.199.237.0169.199.238.0169.199.239.0169.199.240.0169.199.241.0169.199.242.0169.199.243.0169.199.244.0169.199.245.0169.199.246.0169.199.247.0169.199.248.0169.199.249.0169.199.250.0169.199.251.0169.199.252.0169.199.253.0169.199.254.0169.199.255.0