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Search crawler

Bingbot IP ranges

Also covers Microsoft Preview, MicrosoftPreview, Bing Preview, BingPreview, Bing Ads, AdIdxBot, MSN, MSNBOT

Bingbot IPv4 and IPv6 ranges published for search crawler traffic, with freshness and address counts.

Range summary

Unique IPv4 prefixes
28
Unique IPv6 prefixes
0
Total IPv4 addresses
4,736
Total IPv6 addresses
0

IP prefixes

Showing 100 prefixes per page with all applicable range bases.

CIDR Addresses First address Last address Range basis
13.66.139.0/24 256 13.66.139.0 13.66.139.255 Operator-published
13.66.144.0/24 256 13.66.144.0 13.66.144.255 Operator-published
13.67.10.16/28 16 13.67.10.16 13.67.10.31 Operator-published
13.69.66.240/28 16 13.69.66.240 13.69.66.255 Operator-published
13.71.172.224/28 16 13.71.172.224 13.71.172.239 Operator-published
20.15.133.160/27 32 20.15.133.160 20.15.133.191 Operator-published
20.36.108.32/28 16 20.36.108.32 20.36.108.47 Operator-published
20.43.120.16/28 16 20.43.120.16 20.43.120.31 Operator-published
20.74.197.0/28 16 20.74.197.0 20.74.197.15 Operator-published
20.79.107.240/28 16 20.79.107.240 20.79.107.255 Operator-published
20.125.163.80/28 16 20.125.163.80 20.125.163.95 Operator-published
40.77.139.0/25 128 40.77.139.0 40.77.139.127 Operator-published
40.77.167.0/24 256 40.77.167.0 40.77.167.255 Operator-published
40.77.177.0/24 256 40.77.177.0 40.77.177.255 Operator-published
40.77.178.0/23 512 40.77.178.0 40.77.179.255 Operator-published
40.77.188.0/22 1,024 40.77.188.0 40.77.191.255 Operator-published
40.77.202.0/24 256 40.77.202.0 40.77.202.255 Operator-published
40.79.131.208/28 16 40.79.131.208 40.79.131.223 Operator-published
40.79.186.176/28 16 40.79.186.176 40.79.186.191 Operator-published
51.105.67.0/28 16 51.105.67.0 51.105.67.15 Operator-published
52.167.144.0/24 256 52.167.144.0 52.167.144.255 Operator-published
52.231.148.0/28 16 52.231.148.0 52.231.148.15 Operator-published
65.55.210.0/24 256 65.55.210.0 65.55.210.255 Operator-published
139.217.52.0/28 16 139.217.52.0 139.217.52.15 Operator-published
157.55.39.0/24 256 157.55.39.0 157.55.39.255 Operator-published
191.233.204.224/28 16 191.233.204.224 191.233.204.239 Operator-published
199.30.24.0/23 512 199.30.24.0 199.30.25.255 Operator-published
207.46.13.0/24 256 207.46.13.0 207.46.13.255 Operator-published

Range basis and freshness

Operator-published entries come from the bot operator's current range publication. A range may cover several named agents, so use the listed aliases to select the matching range family.

Range basis Prefixes Updated
Operator-published 28