Bot IP: 173.252.79.115
Bot Name: Facebook Crawler
facebookexternalhit is the user agent for Facebook's web crawler, used to fetch and preview content when links are shared on Facebook platforms.
Unverified
Track-A-Bot Trust Score: 61/100
61
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)
- ⚠️ Many non-200/304 responses
- 📌 Visits: 1
- ⏱️ Age: 0h
Penalties
- ✅ No major spoof pattern
- ✅ No fingerprint fields
- ✅ Cookies not enabled
- ✅ No connection type
Total visits: 98 First seen: Jun 24th, 2024 1:33 AM Last seen: Dec 12th, 2025 7:23 PM
Known Hostname(s)
fwdproxy-vll-115.fbsv.net
Known User Agent(s)
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)meta-webindexer/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Common User-Agent Tokens
These are identifiers found inside user-agent strings we observed for facebookexternalhit.
Token
Seen
First seen
Last seen
facebookexternalhit/1.1
34,305
3/16/24
12/12/25
facebookexternalhit/1.1
34,305 seen
facebookexternalhit/1.1
34,305 seen
First
3/16/24
Last
12/12/25
10_11_1
2,004
6/8/24
12/12/25
10_11_1
2,004 seen
10_11_1
2,004 seen
First
6/8/24
Last
12/12/25
facebot
2,004
6/8/24
12/12/25
facebot
2,004 seen
facebot
2,004 seen
First
6/8/24
Last
12/12/25
twitterbot/1.0
2,004
6/8/24
12/12/25
twitterbot/1.0
2,004 seen
twitterbot/1.0
2,004 seen
First
6/8/24
Last
12/12/25
acebookexternalhit/1.0
1
12/12/25
12/12/25
acebookexternalhit/1.0
1 seen
acebookexternalhit/1.0
1 seen
First
12/12/25
Last
12/12/25
Identity Links
These are URLs we observed in association with facebookexternalhit (often used as an identity, help, or policy link).
URL
Seen
First seen
Last seen
First
3/16/24
Last
12/12/25
First
12/12/25
Last
12/12/25
First
5/14/24
Last
12/12/25
Bot FAQ for this IP
Why is meta-webindexer visiting my website?
The IP address 173.252.79.115, associated with the user agent 'meta-webindexer', is visiting websites to access and retrieve web content. The user agent string and reverse DNS (fwdproxy-vll-115.fbsv.net) indicate that these requests are likely related to Meta (formerly Facebook) services, such as link previews or content indexing for sharing on Meta platforms. Visits often target pages like the homepage, specific articles, and robots.txt files, which is typical behavior for web crawlers that index or generate previews of web content. If your website content is being shared or linked on Meta platforms, these visits are likely triggered to fetch updated information or previews.
What does meta-webindexer do?
meta-webindexer is a web crawler that appears to be operated by Meta (Facebook), as suggested by its user agent and reverse DNS. Its primary function is to fetch and index web pages, often for the purpose of generating link previews or updating content displayed on Meta's social platforms. This includes retrieving metadata, images, and summaries when links are shared. The crawler typically respects robots.txt directives, allowing site owners to control which pages are accessed. To verify its activity, check for consistent user agent strings, reverse DNS resolving to fbsv.net, and review your server logs for request patterns.
Is meta-webindexer safe?
Based on the available information, meta-webindexer appears to be a legitimate crawler used by Meta (Facebook) for indexing and previewing web content. Its requests originate from an IP with reverse DNS pointing to fbsv.net and use identifiable user agents. However, as with any automated traffic, it is important to monitor activity for unusual patterns or excessive requests. Recommended actions include: 1) Perform a reverse DNS lookup to confirm the IP resolves to a Meta-owned domain; 2) Review and configure your robots.txt file to control crawler access; 3) Add the IP or user agent to allow/block lists as needed; 4) Implement rate limiting or web application firewall (WAF) rules to prevent abuse; 5) Monitor server logs for unexpected behavior.
This page provides a detailed lookup for the bot with the IP address of 173.252.79.115, 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.