From eaec01076baa7188ab35a70e2b5ca3d2413a8aaa Mon Sep 17 00:00:00 2001
From: Malin Freeborn <malinfreeborn@posteo.net>
Date: Thu, 13 Feb 2025 17:39:38 +0100
Subject: [PATCH] ip addresses with recfiles

---
 data/recfiles.md        |  1 +
 data/recfiles/IP_ASN.md | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100644 data/recfiles/IP_ASN.md

diff --git a/data/recfiles.md b/data/recfiles.md
index c25a269..b3fe9af 100644
--- a/data/recfiles.md
+++ b/data/recfiles.md
@@ -44,6 +44,7 @@ recset -f "$new_field" --delete $database
 
 - [Extended example](recfiles/extended.md)
 - [Playing with board games data](recfiles/Board_Games.md)
+- [Playing with IP addresses](recfiles/IP_ASN.md)
 - [Fixes](recfiles/recfixes.md)
 
 # Resources
diff --git a/data/recfiles/IP_ASN.md b/data/recfiles/IP_ASN.md
new file mode 100644
index 0000000..fafbe9b
--- /dev/null
+++ b/data/recfiles/IP_ASN.md
@@ -0,0 +1,16 @@
+---
+title: "IP Addresses with Recfiles"
+tags: [ "data", "recfiles", "games" ]
+requires: "Recfiles"
+---
+
+## Download the Database
+
+Download the csv data, and separate the ipv4 data from the ipv6.
+
+```sh
+curl -Lo ips.zip 'https://www.kaggle.com/api/v1/datasets/download/ipinfo/ipinfo-country-asn'
+unzip -p ips.zip country_asn.csv | csv2rec | recsel -e "start_ip ~ '\.'"  > ipv4.rec
+unzip -p ips.zip country_asn.csv | csv2rec | recsel -e "start_ip ~ '::'"  > ipv6.rec
+```
+