# Microsoft Bing crawlers (bingbot, BingPreview, AdIdxBot) — IP ranges
# Source: https://www.bing.com/toolbox/bingbot.json
# Checked: 2026-11-13T03:17:01Z (every day)
# From https://blackoutmap.net/resources/crawler-ips — free to use, a link back is appreciated
# Use inside a location/server block, e.g. to let only these crawlers into a protected area.

# Microsoft Bing
allow 13.66.139.0/24;
allow 13.66.144.0/24;
allow 13.67.10.16/28;
allow 13.69.66.240/28;
allow 13.71.172.224/28;
allow 20.15.133.160/27;
allow 20.36.108.32/28;
allow 20.43.120.16/28;
allow 20.74.197.0/28;
allow 20.79.107.240/28;
allow 20.125.163.80/28;
allow 40.77.139.0/25;
allow 40.77.167.0/24;
allow 40.77.177.0/24;
allow 40.77.178.0/23;
allow 40.77.188.0/22;
allow 40.77.202.0/24;
allow 40.79.131.208/28;
allow 40.79.186.176/28;
allow 51.105.67.0/28;
allow 52.130.224.112/28;
allow 52.167.144.0/24;
allow 52.231.148.0/28;
allow 65.55.210.0/24;
allow 139.217.52.0/28;
allow 157.55.39.0/24;
allow 191.233.204.224/28;
allow 199.30.24.0/23;
allow 207.46.13.0/24;