mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))
First seen August 3, 2026 · Last seen October 19, 2026
mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))
[[TODO: MAP ONE SENTENCE SUMMARY]]
Category: [[TODO: MAP CATEGORY]]
Avg 1.7 req/min
Seen on 25 systems
435 observed requests
7 exact variants
First seen August 3, 2026
Last seen October 19, 2026
[[TODO: MAP INTRODUCTION PARAGRAPH 1]]
[[TODO: MAP INTRODUCTION PARAGRAPH 2]]
What is mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))?
[[TODO: MAP DEFINITION SUMMARY]]
[[TODO: MAP SHORT REFERENCE SUMMARY]]
Analyst summary: [[TODO: MAP ANALYST REPORT SUMMARY]]
User-agent
mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))
Observed source IPs
0
Observed requests
435
Source networks
20
Exact variants
7
Latest hit count
91
Latest miss count
518
Latest 404 count
0
Unique paths
10
Related campaigns
[[TODO: MAP RELATED CAMPAIGN COUNT]]
Observed exact user-agent strings
mozilla/5.0 (x11; ubuntu; linux x86_64; rv:132.12) gecko/20100101 firefox/132.12; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler
First seen September 9, 2026 · Last seen September 9, 2026
mozilla/5.0 (x11; ubuntu; linux x86_64; rv:121.0) gecko/20100101 firefox/121.0; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler
First seen September 8, 2026 · Last seen September 8, 2026
mozilla/5.0 (x11; ubuntu; linux x86_64; rv:78.11) gecko/20100101 firefox/78.11; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler
First seen September 8, 2026 · Last seen September 8, 2026
mozilla/5.0 (x11; ubuntu; linux x86_64; rv:127.7) gecko/20100101 firefox/127.7; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler
First seen September 3, 2026 · Last seen September 7, 2026
mozilla/5.0 (x11; ubuntu; linux x86_64; rv:132.8) gecko/20100101 firefox/132.8; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler
First seen August 30, 2026 · Last seen August 30, 2026
mozilla/5.0 (x11; ubuntu; linux x86_64; rv:105.0) gecko/20100101 firefox/105.0; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler
First seen August 29, 2026 · Last seen August 29, 2026
Behavior profile
[[TODO: MAP BEHAVIOR PROFILE INTRO]]
Category
[[TODO: MAP CATEGORY]]
Average request rate
1.7 requests per minute
HTTP and HTTPS support
[[TODO: MAP HTTP HTTPS SUPPORT]]
HTTP version support
[[TODO: MAP PROTOCOL SUPPORT SUMMARY]]
Redirect behavior
[[TODO: MAP REDIRECT BEHAVIOR]]
Robots.txt behavior
[[TODO: MAP ROBOTS TXT BEHAVIOR]]
Crawl-rate behavior
[[TODO: MAP CRAWL RATE BEHAVIOR]]
JavaScript execution
[[TODO: MAP JAVASCRIPT SUPPORT]]
Form submission activity
[[TODO: MAP FORM SUBMISSION ACTIVITY]]
Malformed URL requests
[[TODO: MAP MALFORMED URL BEHAVIOR]]
HTTP/1.0: [[TODO: MAP HTTP 1.0 SUPPORT]]
HTTP/1.1: [[TODO: MAP HTTP 1.1 SUPPORT]]
HTTP/2: [[TODO: MAP HTTP 2 SUPPORT]]
HTTP/3: [[TODO: MAP HTTP 3 SUPPORT]]
[[TODO: MAP HEADER ORDER FINGERPRINTED]]
Source distribution
[[TODO: MAP SOURCE DISTRIBUTION INTRO]]
Top countries
| Country | Networks | Site sightings | Share |
|---|---|---|---|
| Ireland | 18 | 34 | 99.5% |
| United States | 2 | 2 | 0.5% |
Top ASNs
| ASN | Organization | Networks | Share |
|---|---|---|---|
| AS32934 | [[TODO: MAP ASN ORGANIZATION]] | 18 | 99.5% |
| AS396982 | [[TODO: MAP ASN ORGANIZATION]] | 2 | 0.5% |
Top datacenters
| Provider | Type | Snapshots | Share |
|---|
Representative source IPs
[[TODO: MAP REPRESENTATIVE IPS INTRO]]
HTTP fingerprint and request characteristics
[[TODO: MAP HTTP FINGERPRINT INTRO]]
Observed header order
[[TODO: MAP HTTP HEADER ORDER SUMMARY]]
Common headers sent
[[TODO: MAP COMMON HEADERS SUMMARY]]
TLS and HTTPS behavior
[[TODO: MAP TLS HTTPS SUMMARY]]
URL normalization behavior
[[TODO: MAP URL NORMALIZATION SUMMARY]]
Malformed request patterns
[[TODO: MAP MALFORMED REQUEST SUMMARY]]
[[TODO: MAP OBSERVED HTTP HEADERS]]
Observed sample requests
[[TODO: MAP SAMPLE REQUESTS INTRO]]
/news/bereavement-repatriations/
/2026/01/24/icpc-invites-dangote-over-corruption-probe-of-ex-nmdpra-boss/
/category/blog/
/shop/page/5/?add_to_wishlist=4673&_wpnonce=%2A%2A%2A
/shop/page/14/?add_to_wishlist=1833&_wpnonce=%2A%2A%2A&add-to-cart=2403
/product-tag/journey/page/5/?add_to_wishlist=2403&_wpnonce=%2A%2A%2A
/wp-content/plugins/matomo/app/matomo.php?action_name=Page+not+found+%E2%80%93+EDONET&idsite=1&rec=1&r=715161&h=14&m=16&s=6&url=https%3A%2F%2Fedonet.ng%2F2022%2F11%2F10%2Fsunlight-2kg-twin-pac
/sitemap.xml
/wp-sitemap-posts-pirenko_portfolios-1.xml
/shop/page/25/?add_to_wishlist=2209&_wpnonce=%2A%2A%2A
/product-tag/2016/page/5/?add-to-cart=1485
/product-tag/star-wars-galaxy/?add_to_wishlist=4502&_wpnonce=%2A%2A%2A
Related campaigns and associations
[[TODO: MAP RELATED CAMPAIGNS INTRO]]
[[TODO: MAP RELATED CAMPAIGN NAME]]
Detailed analyst report
[[TODO: MAP ANALYST REPORT PARAGRAPH 1]]
[[TODO: MAP ANALYST REPORT PARAGRAPH 2]]
[[TODO: MAP ANALYST REPORT PARAGRAPH 3]]
Frequently asked questions about mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))
What is mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))?
[[TODO: MAP FAQ WHAT IS ANSWER]]
Is mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)) considered malicious?
[[TODO: MAP FAQ MALICIOUS ANSWER]]
Does mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)) respect robots.txt and crawl-rate controls?
[[TODO: MAP FAQ ROBOTS ANSWER]]
What infrastructure is commonly associated with mozilla/5.0 (x11; ubuntu; linux x86_64; rv:147.0) gecko/20100101 firefox/147.0 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))?
[[TODO: MAP FAQ INFRASTRUCTURE ANSWER]]