Telegram IP ranges

Current IP ranges (CIDRs) used by the Telegram network, updated daily.

curl -O https://cloud-ip-ranges.com/download/telegram.txt

Blocking Telegram

iptables

curl -sO https://cloud-ip-ranges.com/download/telegram.txt
while read ip; do
  iptables -A INPUT -s $ip -j DROP
  iptables -A OUTPUT -d $ip -j DROP
done < telegram.txt

ufw

curl -sO https://cloud-ip-ranges.com/download/telegram.txt
while read ip; do
  ufw deny from $ip
  ufw deny to $ip
done < telegram.txt

fail2ban

sudo tee /etc/fail2ban/filter.d/telegram-block.conf << EOF
[Definition]
failregex = ^.*$
ignoreregex =
EOF

sudo tee /etc/fail2ban/jail.d/telegram-block.conf << EOF
[telegram-block]
enabled = true
filter = telegram-block
action = iptables-allports[name=telegram]
logpath = /tmp/telegram.txt
findtime = 1
bantime = -1
maxretry = 1
EOF

curl -so /tmp/telegram.txt https://cloud-ip-ranges.com/download/telegram.txt
sudo systemctl restart fail2ban

pfSense / OPNsense

curl -sO https://cloud-ip-ranges.com/download/telegram.txt
# Firewall > Aliases: new alias TELEGRAM_BLOCK, type Network(s), import the file
# Firewall > Rules > WAN: Action=Block, Source=TELEGRAM_BLOCK

About

These IP ranges cover the Telegram network and are updated regularly from its official source. The data includes IPv4 and IPv6 ranges. Last update was almost 5 years ago.

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