#!/bin/bash
#
# UTNET The University of Tokyo IP Ranges - iptables/ipset rules
# ASN: AS2501
# Generated: 2025-12-18
# Source: ScaniteX (https://scanitex.com)
#
# Usage: chmod +x this_script.sh && sudo ./this_script.sh
#

# Create IPv4 ipset
ipset create utnettheuniversityoftokyo_v4 hash:net -exist
ipset flush utnettheuniversityoftokyo_v4

# Add IPv4 ranges
ipset add utnettheuniversityoftokyo_v4 157.82.0.0/16
ipset add utnettheuniversityoftokyo_v4 192.51.208.0/20
ipset add utnettheuniversityoftokyo_v4 130.69.0.0/16
ipset add utnettheuniversityoftokyo_v4 133.11.0.0/16

# Create IPv6 ipset
ipset create utnettheuniversityoftokyo_v6 hash:net family inet6 -exist
ipset flush utnettheuniversityoftokyo_v6

# Add IPv6 ranges
ipset add utnettheuniversityoftokyo_v6 2404:d540:1::/48
ipset add utnettheuniversityoftokyo_v6 2404:d540::/32

# Apply iptables rules (uncomment to use)
# iptables -A INPUT -m set --match-set utnettheuniversityoftokyo_v4 src -j ACCEPT
# iptables -A INPUT -m set --match-set utnettheuniversityoftokyo_v4 src -j DROP
# ip6tables -A INPUT -m set --match-set utnettheuniversityoftokyo_v6 src -j ACCEPT
# ip6tables -A INPUT -m set --match-set utnettheuniversityoftokyo_v6 src -j DROP

echo "IP ranges for UTNET The University of Tokyo loaded successfully!"
echo "IPv4 ranges: 4"
echo "IPv6 ranges: 2"