mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))

[[TODO: MAP ONE SENTENCE SUMMARY]]

Category: [[TODO: MAP CATEGORY]] Avg 1.5 req/min Seen on 106 systems 9,614 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 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (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 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))
Observed source IPs
0
Observed requests
9,614
Source networks
41
Exact variants
7
Latest hit count
29,456
Latest miss count
295,410
Latest 404 count
0
Unique paths
51
Related campaigns
[[TODO: MAP RELATED CAMPAIGN COUNT]]

Observed exact user-agent strings

mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)) First seen August 3, 2026 · Last seen October 19, 2026
mozilla windows applewebkit khtml like gecko chrome safari compatible meta externalagent https developers facebook docs sharing webmasters crawler First seen August 26, 2026 · Last seen October 1, 2026
mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/128.0.3232.23 safari/537.36; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler First seen August 29, 2026 · Last seen September 13, 2026
mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/151.0.2984.111 safari/537.36; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler First seen September 12, 2026 · Last seen September 12, 2026
mozilla/5.0 (windows nt 11.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/147.0.4729.60 safari/537.36; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler First seen August 29, 2026 · Last seen August 29, 2026
mozilla/5.0 (windows nt 11.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/126.0.3332.246 safari/537.36; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler First seen August 29, 2026 · Last seen August 29, 2026
mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/133.0.4296.235 safari/537.36; compatible; meta-externalagent/1.1; +https://developers.facebook.com/docs/sharing/webmasters/crawler First seen August 28, 2026 · Last seen August 28, 2026

Behavior profile

[[TODO: MAP BEHAVIOR PROFILE INTRO]]

Category
[[TODO: MAP CATEGORY]]
Average request rate
1.5 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 29 223 99.4%
Unknown 3 3 0.3%
United States 7 7 0.2%
France 2 2 0.1%

Top ASNs

ASN Organization Networks Share
AS32934 [[TODO: MAP ASN ORGANIZATION]] 30 99.5%
AS16276 [[TODO: MAP ASN ORGANIZATION]] 2 0.1%
AS402674 [[TODO: MAP ASN ORGANIZATION]] 1 0.1%
AS396982 [[TODO: MAP ASN ORGANIZATION]] 5 0.1%

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]]

GET
/category/experiences/
Status pattern: HTTP 200
Seen 1 times, Last seen September 17, 2026
GET
/category-sitemap.xml
Status pattern: HTTP 200
Seen 2 times, Last seen September 17, 2026
GET
/wp-sitemap-index.xsl
Status pattern: HTTP 200
Seen 1 times, Last seen September 17, 2026
GET
/wp-sitemap.xml
Status pattern: HTTP 404
Seen 1 times, Last seen September 17, 2026
GET
/wp-sitemap.xml
Status pattern: HTTP 403
Seen 7 times, Last seen September 16, 2026
GET
/?sitemap597_xml=
Status pattern: HTTP 200
Seen 2 times, Last seen September 16, 2026
GET
/?sitemap211_xml=
Status pattern: HTTP 200
Seen 2 times, Last seen September 14, 2026
GET
/sitemap_index.xml
Status pattern: HTTP 403
Seen 7 times, Last seen September 11, 2026
GET
/travel-guide/kyoto-spring-guide-travel-guide-outline-for-moira-travel/
Status pattern: HTTP 200
Seen 1 times, Last seen September 11, 2026
GET
/buy.php?sitemap938_xml=
Status pattern: HTTP 404
Seen 1 times, Last seen September 10, 2026
GET
/page-sitemap.xml
Status pattern: HTTP 200
Seen 2 times, Last seen September 6, 2026
GET
/about/
Status pattern: HTTP 200
Seen 1 times, Last seen September 3, 2026

Related campaigns and associations

[[TODO: MAP RELATED CAMPAIGNS INTRO]]

[[TODO: MAP RELATED CAMPAIGN NAME]]

[[TODO: MAP RELATED CAMPAIGN SUMMARY]]
Related IPs: [[TODO: MAP RELATED CAMPAIGN IP COUNT]], Systems seen: [[TODO: MAP RELATED CAMPAIGN SYSTEMS SEEN]]
Confidence: [[TODO: MAP RELATED CAMPAIGN CONFIDENCE]]

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 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))

What is mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))?

[[TODO: MAP FAQ WHAT IS ANSWER]]

Is mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)) considered malicious?

[[TODO: MAP FAQ MALICIOUS ANSWER]]

Does mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (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 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/145.0.0.0 safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))?

[[TODO: MAP FAQ INFRASTRUCTURE ANSWER]]