Bot IP: 157.55.39.7

Name: Bot IP Lookup: 157.55.39.7 (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: 75
⏱️ Age: 14276h

Penalties

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

Total visits: 75 First seen: Apr 26th, 2024 10:42 PM Last seen: Dec 12th, 2025 7:23 PM

Known Hostname(s)

msnbot-157-55-39-7.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 to index content for the Bing search engine. Visits from bingbot, such as those from IP address 157.55.39.7, are typically part of the process of discovering and updating web pages in Bing’s search results. The recent activity from this IP shows requests for various pages and the sitemap, which is consistent with standard search engine crawling behavior. If your website is publicly accessible, bingbot may visit to ensure its content is up-to-date in Bing’s index. To manage or limit these visits, consider updating your robots.txt file, monitoring server logs for unusual patterns, and using allow/block lists as needed.

What does bingbot do?

Bingbot systematically browses websites to collect and update information for Bing’s search engine index. It requests pages, sitemaps, and other resources to analyze site structure and content. The user agent string and reverse DNS for this IP indicate it is identifying as bingbot. This process helps ensure that search results on Bing reflect the latest content from across the web. Website owners can control bingbot’s access using robots.txt directives, monitor its activity through server logs, and verify its identity by checking reverse DNS lookups and matching user agent strings.

Is bingbot safe?

Bingbot is generally considered safe and is a legitimate crawler used by Microsoft for search indexing. The user agent and reverse DNS for IP 157.55.39.7 match typical bingbot patterns. However, it is always recommended to verify crawler identity by performing a reverse DNS lookup and confirming the hostname resolves back to a Microsoft-owned domain. To further ensure safety, monitor for unusual request rates, implement rate limiting if necessary, and configure your firewall or web application firewall (WAF) to allow or restrict access as appropriate. If unwanted, bingbot can be managed through robots.txt or IP-based blocking.

This page provides a detailed lookup for the bot with the IP address of 157.55.39.7, 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.