From 7605e699d0826343f8bd0900f3288775d0afeedc Mon Sep 17 00:00:00 2001
From: Alex Denes <caskd@redxen.eu>
Date: Wed, 16 Oct 2024 17:06:01 +0000
Subject: [PATCH] Initial commit

---
 collect.sh | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100755 collect.sh

diff --git a/collect.sh b/collect.sh
new file mode 100755
index 0000000..ba975d8
--- /dev/null
+++ b/collect.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+IPV4_LIST=./ips-v4
+IPV6_LIST=./ips-v6
+ASLIST=""
+
+# Truncate
+true > "$IPV4_LIST"
+true > "$IPV6_LIST"
+
+ASLIST="$ASLIST 32934"  # Facebook (Meta)
+ASLIST="$ASLIST 16509"  # Amazon (AWS)
+ASLIST="$ASLIST 15169"  # Google
+ASLIST="$ASLIST 136907" # Huawei Cloud
+
+for ASN in $ASLIST; do
+	LIST="$(\
+		curl -L \
+			'https://stat.ripe.net/data/announced-prefixes/data.json?resource=AS'"$ASN" | \
+		jq -r '.data.prefixes[].prefix')"
+
+	# Cheap trick to separate IPs
+	echo "$LIST" | grep '\.' >> "$IPV4_LIST"
+	echo "$LIST" | grep -v '\.' >> "$IPV6_LIST"
+done
+
+# Sort from least specific to most
+TMPFILE="$(mktemp -p /tmp)"
+< "$IPV4_LIST" sort | uniq | sed 's;/;,;g' | xsv sort -s 2 -n | sed 's;,;/;g' > "$TMPFILE"
+cp "$TMPFILE" "$IPV4_LIST"
+
+< "$IPV6_LIST" sort | uniq | sed 's;/;,;g' | xsv sort -s 2 -n | sed 's;,;/;g' > "$TMPFILE"
+cp "$TMPFILE" "$IPV6_LIST"
+rm -v "$TMPFILE"