IP lists of San Juan City

All IP addresses of San Juan City

27.109.64.4-27.109.69.255
27.109.70.0-27.109.70.255
27.109.71.0-27.109.95.255
43.255.216.0-43.255.219.255
45.126.86.0-45.126.86.255
45.127.164.0-45.127.166.255
58.69.66.0-58.69.66.255
58.69.71.0-58.69.73.255
58.69.97.2-58.69.97.250
58.69.140.0-58.69.140.255
58.69.150.1-58.69.150.253
58.69.157.8-58.69.158.7
58.69.159.0-58.69.159.255
58.69.168.0-58.69.168.255
58.69.170.8-58.69.170.255
58.69.184.16-58.69.184.231
58.69.186.0-58.69.186.247
58.69.188.16-58.69.189.15
58.69.190.24-58.69.190.223
58.69.198.0-58.69.199.255
58.69.217.0-58.69.218.15
58.69.222.0-58.69.223.23
58.69.226.0-58.69.227.255
58.69.232.40-58.69.233.7
58.69.235.24-58.69.235.255
58.69.237.0-58.69.237.255
58.69.239.16-58.69.239.255
58.69.241.0-58.69.241.255
58.69.243.56-58.69.243.255
58.69.245.16-58.69.245.231
58.69.248.0-58.69.248.215
61.9.0.0-61.9.101.255
61.9.104.0-61.9.107.255
61.9.110.0-61.9.110.255
61.9.113.0-61.9.127.255
61.14.192.0-61.14.199.255
103.18.228.0-103.18.229.255
103.18.231.0-103.18.231.255
103.67.228.0-103.67.230.255
103.196.105.0-103.196.107.255
103.231.36.0-103.231.39.255
103.239.200.0-103.239.203.255
110.54.163.0-110.54.163.255
110.93.64.0-110.93.81.255
110.93.83.0-110.93.83.255
110.93.85.0-110.93.85.255
110.93.87.0-110.93.88.255
110.93.90.0-110.93.91.255
110.93.94.0-110.93.94.255
111.68.33.0-111.68.42.255
111.68.44.0-111.68.45.255
111.68.47.0-111.68.51.255
111.68.53.0-111.68.55.255
111.68.56.0-111.68.59.255
111.68.63.0-111.68.63.255
112.200.129.0-112.200.129.255
112.200.131.0-112.200.133.255
112.200.135.0-112.200.136.255
112.200.138.0-112.200.138.255
112.200.140.0-112.200.148.255
112.200.150.0-112.200.159.255
112.200.162.0-112.200.162.255
112.200.164.0-112.200.168.255
112.200.170.0-112.200.174.127
112.200.175.0-112.200.190.255
112.200.192.0-112.200.193.255
112.200.196.0-112.200.200.255
112.200.202.0-112.200.204.255
112.200.206.0-112.200.206.255
112.200.208.0-112.200.223.255
112.200.226.0-112.200.226.255
112.200.227.128-112.200.228.255
112.200.230.0-112.200.230.255
112.200.236.0-112.200.237.255
112.200.239.0-112.201.2.255
112.201.4.0-112.201.4.255
112.201.6.0-112.201.10.255
112.201.11.192-112.201.28.255
112.201.31.0-112.201.64.255
112.201.66.0-112.201.68.255
112.201.72.0-112.201.72.255
112.201.74.0-112.201.96.255
112.201.98.0-112.201.98.255
112.201.101.0-112.201.102.255
112.201.103.0-112.201.104.255
112.201.106.128-112.201.109.63
112.201.110.0-112.201.127.255
112.201.137.0-112.201.161.255
112.201.163.0-112.201.163.255
112.201.165.0-112.201.169.255
112.201.171.0-112.201.174.255
112.201.176.0-112.201.176.255
112.201.178.0-112.201.178.255
112.201.180.0-112.201.183.255
112.201.185.0-112.201.186.255
112.201.188.0-112.201.188.255
112.201.191.0-112.201.213.255
112.201.215.0-112.201.234.255
112.201.236.0-112.201.236.255
112.201.239.0-112.201.239.255
112.201.241.0-112.201.249.255
112.201.252.0-112.201.253.255
112.201.255.0-112.202.10.255
112.202.12.0-112.202.42.255
112.202.44.0-112.202.50.255
112.202.52.0-112.202.178.255
112.202.180.0-112.202.217.255
112.202.220.0-112.202.222.255
112.202.224.0-112.202.224.255
112.202.226.0-112.202.227.255
112.202.230.0-112.202.230.255
112.202.236.0-112.202.236.255
112.202.242.0-112.202.244.255
112.202.255.0-112.203.93.255
112.203.95.0-112.203.107.255
112.203.109.0-112.203.111.255
112.203.113.0-112.203.114.255
112.203.116.0-112.203.129.255
112.203.132.0-112.203.132.255
112.203.136.0-112.203.175.255
112.203.183.0-112.203.183.255
112.203.192.0-112.203.196.255
112.203.198.0-112.203.203.255
112.203.206.0-112.203.216.255
112.203.218.0-112.203.222.255
112.203.224.0-112.203.231.255
112.203.233.0-112.203.247.255
112.203.249.0-112.203.255.255
112.204.128.0-112.204.131.255
112.204.133.0-112.204.159.255
112.204.161.0-112.204.162.255
112.204.164.0-112.204.164.255
112.204.167.0-112.204.168.255
112.204.170.0-112.204.170.255
112.204.173.0-112.204.174.255
112.204.177.0-112.204.195.255
112.204.197.0-112.204.200.255
112.204.202.0-112.204.203.255
112.204.205.0-112.204.213.255
112.204.215.0-112.204.219.255
112.204.221.0-112.204.223.255
112.204.225.0-112.204.242.255
112.204.244.0-112.204.252.255
112.204.255.0-112.205.57.255
112.205.59.0-112.205.60.255
112.205.62.0-112.205.65.255
112.205.67.0-112.205.70.255
112.205.72.0-112.205.79.255
112.205.81.0-112.205.91.255
112.205.93.0-112.205.120.255
112.205.122.0-112.205.128.255
112.205.130.0-112.205.155.255
112.205.157.0-112.205.184.255
112.205.186.0-112.205.203.255
112.205.205.0-112.205.206.255
112.205.207.0-112.205.207.255
112.205.208.0-112.205.255.255
112.206.2.0-112.206.2.255
112.206.5.0-112.206.6.255
112.206.8.0-112.206.19.255
112.206.21.0-112.206.63.255
112.206.65.0-112.206.68.255
112.206.70.0-112.206.70.255
112.206.73.0-112.206.73.255
112.206.77.16-112.206.96.255
112.206.98.0-112.206.100.255
112.206.103.0-112.206.104.255
112.206.107.0-112.206.108.255
112.206.110.0-112.206.110.255
112.206.112.0-112.206.127.255
112.207.0.0-112.207.18.255
112.207.20.0-112.207.22.255
112.207.24.0-112.207.28.255
112.207.30.0-112.207.40.255
112.207.42.0-112.207.50.255
112.207.52.0-112.207.58.255
112.207.60.0-112.207.98.255
112.207.100.0-112.207.102.255
112.207.105.0-112.207.106.255
112.207.109.0-112.207.113.255
112.207.115.0-112.207.116.255
112.207.118.0-112.207.175.255
112.207.180.0-112.207.181.255
112.207.183.0-112.207.183.255
112.207.186.0-112.207.190.255
112.207.192.0-112.207.255.255
112.208.144.0-112.208.167.255
112.208.208.0-112.208.221.255
112.208.223.0-112.208.223.255
112.208.240.0-112.208.255.255
112.209.128.0-112.209.137.255
112.209.139.0-112.209.142.255
112.209.144.0-112.209.144.255
112.209.146.0-112.209.147.255
112.209.149.0-112.209.150.255
112.209.152.0-112.209.153.255
112.209.155.0-112.209.158.255
112.209.178.0-112.209.179.255
112.209.183.0-112.209.183.255
112.209.185.0-112.209.186.255
112.209.188.0-112.209.189.255
112.209.191.0-112.209.191.255
112.209.208.0-112.209.235.255
112.209.237.0-112.209.239.255
112.210.64.0-112.210.66.255
112.210.68.0-112.210.79.255
112.210.96.0-112.210.104.255
112.210.106.0-112.210.127.255
112.211.128.0-112.211.150.255
112.211.152.0-112.211.155.255
112.211.158.0-112.211.159.255
114.108.192.0-114.108.192.255
114.108.194.0-114.108.195.255
114.108.200.0-114.108.200.255
114.108.203.0-114.108.203.255
114.108.204.0-114.108.206.255
114.108.208.0-114.108.210.255
114.108.212.0-114.108.213.255
114.108.215.0-114.108.215.255
114.108.217.0-114.108.218.255
114.108.219.234-114.108.223.255
114.108.225.0-114.108.225.255
114.108.227.0-114.108.231.255
114.108.232.64-114.108.234.255
114.108.237.0-114.108.244.255
114.108.246.0-114.108.255.255
119.92.48.0-119.92.48.255
119.92.52.0-119.92.52.255
119.92.54.0-119.92.54.255
119.92.56.0-119.92.56.255
119.92.60.0-119.92.60.255
119.92.66.0-119.92.66.255
119.92.78.0-119.92.78.255
119.92.84.0-119.92.85.31
119.92.86.0-119.92.86.255
119.92.88.0-119.92.88.255
119.92.90.0-119.92.90.255
119.92.92.0-119.92.92.255
119.92.158.0-119.92.158.255
119.92.232.0-119.92.232.255
119.92.242.0-119.92.242.255
119.93.0.0-119.93.0.255
119.93.4.0-119.93.4.247
119.93.8.0-119.93.8.253
119.93.17.8-119.93.17.255
119.93.24.0-119.93.24.255
119.93.28.0-119.93.28.255
119.93.31.0-119.93.31.255
119.93.34.8-119.93.34.255
119.93.36.0-119.93.36.255
119.93.38.0-119.93.38.255
119.93.40.0-119.93.40.253
119.93.44.0-119.93.44.247
119.93.46.0-119.93.46.255
119.93.58.0-119.93.58.255
119.93.67.0-119.93.67.255
119.93.74.0-119.93.74.255
119.93.76.0-119.93.76.255
119.93.78.0-119.93.78.255
119.93.88.0-119.93.88.255
119.93.90.0-119.93.90.255
119.93.92.0-119.93.92.255
119.93.96.0-119.93.96.255
119.93.98.0-119.93.98.247
119.93.100.0-119.93.100.255
119.93.108.0-119.93.108.255
119.93.112.0-119.93.112.255
119.93.114.0-119.93.114.255
119.93.122.0-119.93.122.255
119.93.124.0-119.93.124.255
119.93.126.0-119.93.126.253
119.93.146.0-119.93.146.252
119.93.152.0-119.93.152.255
119.93.154.0-119.93.154.253
119.93.158.0-119.93.158.255
119.93.164.0-119.93.164.255
119.93.196.0-119.93.196.231
119.93.225.8-119.93.225.255
119.93.231.0-119.93.231.255
119.93.233.0-119.93.233.255
119.93.238.0-119.93.238.255
119.93.248.0-119.93.248.255
119.94.17.0-119.94.17.255
122.2.49.0-122.2.49.223
122.2.51.8-122.2.51.255
122.2.53.8-122.2.53.255
122.2.56.0-122.2.64.15
122.2.68.0-122.2.68.255
122.2.80.0-122.2.95.255
122.2.224.0-122.2.232.255
122.2.234.0-122.2.243.255
122.2.245.0-122.2.253.255
122.2.255.0-122.2.255.255
122.3.4.0-122.3.4.255
122.3.34.0-122.3.34.255
122.3.36.0-122.3.36.255
122.3.38.0-122.3.38.255
122.3.42.0-122.3.42.255
122.3.44.0-122.3.44.255
122.3.46.0-122.3.46.255
122.3.48.0-122.3.48.255
122.3.52.0-122.3.52.247
122.3.54.0-122.3.54.255
122.3.72.0-122.3.72.255
122.3.74.0-122.3.74.255
122.3.78.0-122.3.78.255
122.3.80.0-122.3.80.255
122.3.82.0-122.3.82.255
122.3.84.0-122.3.84.255
122.3.116.0-122.3.116.252
122.3.132.0-122.3.132.255
122.3.136.0-122.3.136.255
122.3.138.0-122.3.138.255
122.3.140.8-122.3.140.255
122.3.144.0-122.3.144.247
122.3.146.0-122.3.146.255
122.3.150.0-122.3.150.255
122.3.154.0-122.3.154.255
122.3.160.0-122.3.160.255
122.3.168.0-122.3.168.255
122.3.170.0-122.3.170.255
122.3.178.0-122.3.178.255
122.3.182.0-122.3.182.255
122.3.184.0-122.3.184.255
122.3.186.0-122.3.186.255
122.49.208.0-122.49.216.255
122.49.218.0-122.49.219.255
122.49.221.0-122.49.222.255
122.52.96.0-122.52.96.255
122.52.98.8-122.52.98.255
122.52.100.0-122.52.100.255
122.52.102.8-122.52.102.255
122.52.106.8-122.52.106.255
122.52.108.0-122.52.108.247
122.52.110.8-122.52.110.255
122.52.124.0-122.52.124.255
122.52.136.0-122.52.136.253
122.52.138.8-122.52.138.255
122.52.140.16-122.52.140.255
122.52.142.8-122.52.142.255
122.52.144.32-122.52.144.254
122.52.146.8-122.52.146.253
122.52.148.8-122.52.148.254
122.52.150.0-122.52.150.255
122.52.152.8-122.52.152.255
122.52.154.24-122.52.154.255
122.52.156.0-122.52.156.252
122.52.158.0-122.52.158.255
122.52.162.0-122.52.162.255
122.52.164.0-122.52.164.255
122.52.166.24-122.52.166.255
122.52.168.0-122.52.168.254
122.52.170.0-122.52.170.250
122.52.172.0-122.52.172.255
122.52.174.0-122.52.174.255
122.52.180.0-122.52.180.255
122.52.182.0-122.52.182.255
122.52.184.0-122.52.184.255
122.52.200.0-122.52.200.255
122.52.202.8-122.52.202.71
122.52.204.16-122.52.204.255
122.52.206.0-122.52.206.255
122.52.210.0-122.52.210.255
122.52.212.16-122.52.212.255
122.52.214.0-122.52.214.255
122.52.216.8-122.52.216.255
122.52.238.0-122.52.238.255
122.52.242.0-122.52.243.7
122.52.247.0-122.52.247.253
122.53.64.8-122.53.65.31
122.53.70.16-122.53.70.255
122.53.74.0-122.53.74.255
122.53.76.0-122.53.76.255
122.53.78.0-122.53.78.255
122.54.122.0-122.54.122.255
122.54.134.0-122.54.134.255
122.54.136.8-122.54.136.253
122.54.138.0-122.54.138.255
122.54.140.16-122.54.140.255
122.54.144.0-122.54.144.239
122.54.148.0-122.54.148.255
122.54.166.0-122.54.166.255
122.54.168.0-122.54.168.255
122.54.174.0-122.54.174.255
122.54.178.0-122.54.178.255
122.54.184.8-122.54.184.255
122.54.202.0-122.54.202.255
122.54.206.0-122.54.206.255
122.54.212.0-122.54.212.255
122.54.214.0-122.54.214.255
122.54.218.0-122.54.218.255
122.54.222.0-122.54.222.255
122.54.236.8-122.54.236.255
122.54.238.0-122.54.239.15
124.83.38.0-124.83.38.39
124.83.42.0-124.83.42.255
124.83.46.0-124.83.46.23
124.104.64.8-124.104.65.7
124.104.66.8-124.104.67.7
124.104.70.0-124.104.71.7
124.104.72.8-124.104.72.231
124.104.76.0-124.104.76.232
124.104.78.0-124.104.79.7
124.104.96.8-124.104.96.255
124.104.98.0-124.104.98.255
124.104.100.3-124.104.100.254
124.104.102.6-124.104.102.251
124.104.129.0-124.104.129.119
124.104.136.59-124.104.136.244
124.104.138.16-124.104.138.231
124.104.140.8-124.104.140.255
124.104.142.32-124.104.142.255
124.104.160.0-124.104.160.255
124.104.162.0-124.104.174.255
124.104.192.0-124.104.198.255
124.104.200.0-124.104.213.255
124.104.215.0-124.104.215.255
124.104.217.0-124.104.217.255
124.104.219.0-124.104.219.255
124.104.221.0-124.104.221.255
124.105.4.0-124.105.4.167
124.105.6.0-124.105.6.151
124.105.8.0-124.105.8.247
124.105.10.0-124.105.10.255
124.105.12.0-124.105.12.255
124.105.36.16-124.105.36.255
124.105.38.0-124.105.38.111
124.105.42.0-124.105.42.167
124.105.46.0-124.105.46.255
124.105.48.8-124.105.48.255
124.105.50.0-124.105.50.255
124.105.52.8-124.105.52.247
124.105.56.8-124.105.56.254
124.105.60.16-124.105.60.255
124.105.62.0-124.105.62.247
124.105.64.0-124.105.64.255
124.105.66.96-124.105.66.255
124.105.74.0-124.105.74.231
124.105.90.0-124.105.90.255
124.105.92.0-124.105.92.255
124.105.94.8-124.105.94.247
124.105.104.0-124.105.104.247
124.105.108.0-124.105.108.255
124.105.117.0-124.105.117.253
124.105.119.0-124.105.120.31
124.105.122.0-124.105.122.255
124.105.125.1-124.105.125.205
124.105.127.6-124.105.127.255
124.105.136.0-124.105.139.255
124.105.169.8-124.105.170.7
124.105.232.0-124.105.232.239
124.105.234.80-124.105.234.247
124.105.236.8-124.105.236.255
124.105.238.0-124.105.238.255
124.105.244.16-124.105.244.255
124.105.246.8-124.105.246.79
124.105.248.0-124.105.248.255
124.105.250.0-124.105.250.255
124.105.252.0-124.105.252.255
124.105.254.8-124.105.254.255
124.106.0.0-124.106.0.247
124.106.2.0-124.106.2.255
124.106.22.0-124.106.22.158
124.106.24.16-124.106.24.247
124.106.28.0-124.106.28.255
124.106.32.0-124.106.32.255
124.106.38.0-124.106.38.247
124.106.40.0-124.106.40.255
124.106.44.0-124.106.44.255
124.106.46.0-124.106.46.247
124.106.52.0-124.106.52.255
124.106.54.0-124.106.54.255
124.106.64.0-124.106.64.239
124.106.72.0-124.106.75.255
124.106.79.1-124.106.80.7
124.106.82.16-124.106.82.255
124.106.88.0-124.106.88.151
124.106.90.8-124.106.90.255
124.106.112.0-124.106.112.255
124.106.114.0-124.106.114.255
124.106.116.8-124.106.116.247
124.106.118.8-124.106.118.255
124.106.122.0-124.106.122.255
124.106.133.0-124.106.133.255
124.106.135.0-124.106.136.255
124.106.138.0-124.106.141.31
124.106.141.96-124.106.142.255
124.106.152.0-124.106.152.255
124.106.156.8-124.106.156.253
124.106.158.0-124.106.158.199
124.106.160.0-124.106.160.239
124.106.164.0-124.106.164.191
124.106.184.0-124.106.191.255
124.106.196.0-124.106.206.255
124.106.223.2-124.106.223.246
124.106.238.8-124.106.238.255
124.106.240.0-124.106.247.255
124.106.252.0-124.107.0.31
124.107.1.8-124.107.2.7
124.107.3.0-124.107.3.239
124.107.7.8-124.107.7.207
124.107.10.17-124.107.10.247
124.107.12.0-124.107.12.247
124.107.14.40-124.107.14.255
124.107.16.0-124.107.16.255
124.107.18.0-124.107.18.255
124.107.20.0-124.107.21.71
124.107.22.0-124.107.23.15
124.107.25.24-124.107.25.167
124.107.27.0-124.107.28.15
124.107.31.0-124.107.31.239
124.107.33.0-124.107.33.255
124.107.35.0-124.107.35.255
124.107.54.0-124.107.54.255
124.107.58.0-124.107.58.255
124.107.62.0-124.107.62.255
124.107.64.8-124.107.64.175
124.107.66.16-124.107.66.255
124.107.68.16-124.107.68.251
124.107.70.24-124.107.70.255
124.107.80.8-124.107.80.255
124.107.82.48-124.107.82.247
124.107.84.0-124.107.84.255
124.107.88.6-124.107.88.250
124.107.92.0-124.107.92.255
124.107.96.0-124.107.97.7
124.107.98.0-124.107.99.23
124.107.110.0-124.107.110.255
124.107.146.0-124.107.146.255
124.107.148.0-124.107.148.255
124.107.150.0-124.107.150.255
124.107.152.0-124.107.152.255
124.107.162.0-124.107.162.255
124.107.164.32-124.107.164.255
124.107.166.0-124.107.166.255
124.107.172.0-124.107.172.255
124.107.174.0-124.107.174.255
124.107.176.0-124.107.176.255
124.107.178.1-124.107.178.255
124.107.188.8-124.107.188.47
124.107.190.0-124.107.190.253
124.107.200.0-124.107.214.255
124.107.217.0-124.107.223.255
124.158.32.0-124.158.63.255
130.105.0.0-130.105.1.255
130.105.44.0-130.105.45.255
130.105.47.0-130.105.47.255
130.105.154.0-130.105.154.255
130.105.193.0-130.105.193.255
130.105.226.0-130.105.226.255
136.158.59.40-136.158.59.255
167.167.226.0-167.167.226.255
180.190.45.0-180.190.45.255
180.190.214.0-180.190.214.255
182.18.192.0-182.18.194.255
182.18.195.0-182.18.195.255
182.18.196.0-182.18.197.255
182.18.199.0-182.18.206.255
182.18.208.0-182.18.208.255
182.18.209.0-182.18.212.255
182.18.214.0-182.18.215.255
182.18.217.0-182.18.220.255
182.18.222.0-182.18.222.255
182.18.224.0-182.18.228.255
182.18.230.0-182.18.235.255
182.18.241.0-182.18.255.255
202.8.224.0-202.8.255.255
202.57.121.0-202.57.121.255
202.81.167.0-202.81.167.255
202.128.32.0-202.128.47.255
202.128.48.255-202.128.51.255
202.128.52.255-202.128.59.255
202.163.231.224-202.163.231.255
203.76.192.0-203.76.195.255
203.76.200.0-203.76.207.255
203.190.72.80-203.190.72.255
210.5.74.0-210.5.74.255
210.16.0.0-210.16.9.255
210.16.11.0-210.16.13.255
210.16.15.0-210.16.39.255
210.16.41.0-210.16.63.255
210.213.98.48-210.213.98.255
210.213.100.0-210.213.100.255
210.213.102.56-210.213.102.255
210.213.105.0-210.213.105.255
210.213.110.0-210.213.110.215
210.213.113.0-210.213.113.255
210.213.115.8-210.213.115.215
210.213.123.16-210.213.123.255
210.213.149.0-210.213.150.255
210.213.214.0-210.213.215.255
210.213.226.0-210.213.226.255
219.90.84.0-219.90.87.255
219.90.90.0-219.90.90.255
2001:4451:82de::-2001:4451:82de:ffff:ffff:ffff:ffff:ffff
2001:4451:831f::-2001:4451:831f:ffff:ffff:ffff:ffff:ffff
2001:4451:8326::-2001:4451:8326:ffff:ffff:ffff:ffff:ffff
2001:4451:836d::-2001:4451:836d:ffff:ffff:ffff:ffff:ffff
2001:4451:837a::-2001:4451:837a:ffff:ffff:ffff:ffff:ffff
2001:4451:838f::-2001:4451:838f:ffff:ffff:ffff:ffff:ffff
2001:4451:83b9::-2001:4451:83ba:ffff:ffff:ffff:ffff:ffff
2001:4451:83d7::-2001:4451:83d7:ffff:ffff:ffff:ffff:ffff
2001:4451:83e2::-2001:4451:83e2:ffff:ffff:ffff:ffff:ffff
2401:8e80::-2401:8e80:ffff:ffff:ffff:ffff:ffff:ffff
2401:9400::-2401:9400:ffff:ffff:ffff:ffff:ffff:ffff
2404:3c00::-2404:3c00:fff:ffff:ffff:ffff:ffff:ffff
2404:3c00:5000::-2404:3c00:500f:ffff:ffff:ffff:ffff:ffff
2404:f980:4::-2404:f980:4:ffff:ffff:ffff:ffff:ffff
2405:f400::-2405:f400:ffff:ffff:ffff:ffff:ffff:ffff
2a12:dd47:f006::-2a12:dd47:f006:ffff:ffff:ffff:ffff:ffff
2a13:a5c6:6800::-2a13:a5c6:68ff:ffff:ffff:ffff:ffff:ffff
2a13:b487:5006::-2a13:b487:5006:ffff:ffff:ffff:ffff:ffff