Bot IP: 52.167.144.139

Name: Bot IP Lookup: 52.167.144.139 (Bingbot)
Creator: Track-A-Bot

Bot Name: Bingbot

Bingbot is the primary web crawler used by Microsoft Bing to discover and index web content for its search engine results.

Likely legitimate

Track-A-Bot Trust Score: 87/100

score

0255075100

Why Track-A-Bot rated this IP (tap to expand)

Identity

✅ Marked as bot traffic
✅ Bot name present
✅ User-agent matches bot name
✅ User-agent includes identity link/email

Hostname

✅ Hostname observed
ℹ️ Hostname does not resemble bot name
ℹ️ Hostname status not verified
✅ No hostname mismatch flags

Behavior

ℹ️ No /robots.txt request observed
✅ No referrer (typical crawler behavior)
✅ Mostly 200/304 responses
📌 Visits: 87
⏱️ Age: 14739h

Penalties

✅ No major spoof pattern
✅ No fingerprint fields
✅ Cookies not enabled
✅ No connection type

Total visits: 87 First seen: Apr 7th, 2024 3:42 PM Last seen: Dec 12th, 2025 7:23 PM

Known Hostname(s)

msnbot-52-167-144-139.search.msn.com

Known User Agent(s)

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/116.0.1938.76 Safari/537.36

Known Accepted Encoding(s)

gzip, deflate, br

Common User-Agent Tokens

These are identifiers found inside user-agent strings we observed for bingbot.

Token

Seen

First seen

Last seen

bingbot/2.0

40,280

3/17/24

12/12/25

bingbot/2.0 40,280 seen

First 3/17/24

Last 12/12/25

mobile/15e148

1/26/25

12/12/25

mobile/15e148 13 seen

First 1/26/25

Last 12/12/25

17_1

2/26/25

12/12/25

17_1 3 seen

First 2/26/25

Last 12/12/25

17_2

1/26/25

12/12/25

17_2 3 seen

First 1/26/25

Last 12/12/25

microsoftpreview/2.0

12/12/25

microsoftpreview/2.0 3 seen

First 12/12/25

Last 12/12/25

unknown

12/12/25

unknown 3 seen

First 12/12/25

Last 12/12/25

10_15_7

5/7/25

12/12/25

10_15_7 2 seen

First 5/7/25

Last 12/12/25

17_0

4/10/25

17_0 2 seen

First 4/10/25

Last 4/10/25

17_3

12/12/25

17_3 2 seen

First 12/12/25

Last 12/12/25

18_1_1

4/29/25

5/2/25

18_1_1 2 seen

First 4/29/25

Last 5/2/25

adidxbot/2.0

10/21/25

10/22/25

adidxbot/2.0 2 seen

First 10/21/25

Last 10/22/25

crios/131.0.6778.73

4/29/25

crios/131.0.6778.73 2 seen

First 4/29/25

Last 4/29/25

gecko/20100101

2/18/25

12/12/25

gecko/20100101 2 seen

First 2/18/25

Last 12/12/25

unique/97.7.7286.70

1/27/25

12/12/25

unique/97.7.7286.70 2 seen

First 1/27/25

Last 12/12/25

17_5_1

4/28/25

17_5_1 1 seen

First 4/28/25

Last 4/28/25

avastsecurebrowser/5.3.1

12/12/25

avastsecurebrowser/5.3.1 1 seen

First 12/12/25

Last 12/12/25

build/mmb29p

12/11/25

build/mmb29p 1 seen

First 12/11/25

Last 12/11/25

crios/122.0.6261.62

12/12/25

crios/122.0.6261.62 1 seen

First 12/12/25

Last 12/12/25

edga/121.0.0.0

2/20/25

edga/121.0.0.0 1 seen

First 2/20/25

Last 2/20/25

edgios/116.0.1938.56

3/1/25

edgios/116.0.1938.56 1 seen

First 3/1/25

Last 3/1/25

edgios/116.0.1938.79

4/10/25

edgios/116.0.1938.79 1 seen

First 4/10/25

Last 4/10/25

edgios/118.0.2088.68

2/26/25

edgios/118.0.2088.68 1 seen

First 2/26/25

Last 2/26/25

edgios/119.0.2151.78

12/12/25

edgios/119.0.2151.78 1 seen

First 12/12/25

Last 12/12/25

edgios/120.0.2210.126

12/12/25

edgios/120.0.2210.126 1 seen

First 12/12/25

Last 12/12/25

edgios/120.0.2210.141

2/25/25

edgios/120.0.2210.141 1 seen

First 2/25/25

Last 2/25/25

edgios/120.0.2210.86

1/26/25

edgios/120.0.2210.86 1 seen

First 1/26/25

Last 1/26/25

edgios/121.0.2277.107

12/12/25

edgios/121.0.2277.107 1 seen

First 12/12/25

Last 12/12/25

trailer/93.3.3516.28

4/16/25

trailer/93.3.3516.28 1 seen

First 4/16/25

Last 4/16/25

viewer/99.9.9009.89

12/12/25

viewer/99.9.9009.89 1 seen

First 12/12/25

Last 12/12/25

Identity Links

These are URLs we observed in association with bingbot (often used as an identity, help, or policy link).

URL

Seen

First seen

Last seen

www.bing.com/bingbot.htm

40,282

3/17/24

12/12/25

www.bing.com/bingbot.htm 40,282 seen www.bing.com

First 3/17/24

Last 12/12/25

aka.ms/MicrosoftPreview

12/12/25

aka.ms/MicrosoftPreview 3 seen aka.ms

First 12/12/25

Last 12/12/25

Bot FAQ for this IP

Why is bingbot visiting my website?

Bingbot is a web crawler operated by Microsoft Bing. Its primary purpose for visiting websites is to discover and index content for inclusion in Bing's search engine results. The recent activity from IP address 52.167.144.139 shows requests to various pages, with a user agent string identifying as 'bingbot/2.0' and a reverse DNS hostname of 'msnbot-52-167-144-139.search.msn.com'. This behavior is typical of legitimate search engine crawlers. If you want to verify the authenticity of these visits, consider checking the reverse DNS of the IP, reviewing your server logs for consistent user agent patterns, and consulting Bing’s official documentation on allowed crawler IP ranges. To manage bingbot’s access, update your robots.txt file or use firewall rules as needed.

What does bingbot do?

Bingbot is designed to systematically browse and index publicly accessible web pages for the Bing search engine. It collects information about site content, structure, and updates, which helps Bing provide relevant search results to its users. Bingbot typically follows links on websites, respects robots.txt directives, and identifies itself with a specific user agent string. To control how bingbot interacts with your site, use the robots.txt file to allow or disallow specific areas, monitor its activity in your server logs, and consider rate limiting if necessary. For further verification, check that the reverse DNS of the visiting IP resolves to a Microsoft-owned domain.

Is bingbot safe?

Bingbot is generally considered safe and is a standard crawler used by Microsoft Bing for web indexing. The IP address 52.167.144.139 resolves to a Microsoft-owned hostname and uses a user agent consistent with official documentation. However, it is important to verify authenticity, as some bots may impersonate bingbot. Recommended steps include: performing a reverse DNS lookup to confirm the IP belongs to Microsoft, checking for consistent user agent strings, monitoring request frequency to prevent excessive load, and using robots.txt to manage access. If unwanted or suspicious activity is detected, consider blocking the IP or adjusting firewall and WAF rules.

This page provides a detailed lookup for the bot with the IP address of 52.167.144.139, based on real-world traffic observed across websites using Track-A-Bot software. Use this information to verify whether activity from this IP belongs to a legitimate search engine crawler, or to analyze bot behavior on your website.