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Fact drill-down for
173.252.87.34
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0
LOW
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All-time facts
20
In-scope
20
Filtered
20
Seen
2024-09-10
→
2025-05-27
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Page size
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200
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Annotation facets
Annotator (exact)
(any)
base — 11
bot — 6
ua — 2
request_size — 1
Severity (exact)
(any)
(none) — 12
8 — 6
6 — 2
Label (exact)
(any)
observed — 11
bot — 6
ua — 2
request_size — 1
HTTP facets
Method (exact, case-insensitive)
(any)
GET — 20
HTTP status (exact)
(any)
404 — 10
200 — 4
(none) — 4
499 — 2
Snapshot facets
Subnet (exact)
(any)
173.252.87.0/24 — 20
ASN (exact)
(any)
32934 — 20
Country / Region / City (exact)
(any country)
United States — 20
(any region)
Texas — 20
(any city)
Fort Worth — 20
Org contains (ip_org or as_org_name)
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Tip: keep windows tight when you need speed, but the default is fact-complete.
Top annotators (facts, in-scope)
base
11
bot
6
ua
2
request_size
1
Top labels (facts, in-scope)
observed
11
bot
6
ua
2
request_size
1
Click a pill to apply it as a filter.
Annotated access events
Showing page
1
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1
— total
20
rows
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#
1
2025-05-27 16:32:02
event
6714826
GET
404
bytes
7934
ann
base
label
observed
Request
event observed
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
2
2025-05-27 16:32:02
event
6714826
GET
404
bytes
7934
ann
bot
8
label
bot
Request
Bot user-agent detected: crawler
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
bot
rule
bot:crawler
conf
65.00
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
More (full fields + snapshot)
expand
url
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
Bot user-agent detected: crawler
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
3
2025-05-10 18:59:11
event
15478835
GET
404
bytes
7933
ann
base
label
observed
Request
event observed
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
4
2025-05-10 18:59:11
event
15478835
GET
404
bytes
7933
ann
bot
8
label
bot
Request
Bot user-agent detected: crawler
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
bot
rule
bot:crawler
conf
65.00
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
More (full fields + snapshot)
expand
url
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
Bot user-agent detected: crawler
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
5
2025-05-10 18:59:00
event
15478809
GET
404
bytes
7935
ann
base
label
observed
Request
event observed
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
6
2025-05-10 18:59:00
event
15478809
GET
404
bytes
7935
ann
bot
8
label
bot
Request
Bot user-agent detected: crawler
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
bot
rule
bot:crawler
conf
65.00
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
More (full fields + snapshot)
expand
url
/chat_asgi/chatbot/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
Bot user-agent detected: crawler
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
7
2025-05-10 18:58:59
event
15478806
GET
200
bytes
7553126
ann
request_size
label
request_size
Request
Known media asset (exempt from request-size scoring)
/static/movies/CloudLoop_landscape.mp4
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
request_size
rule
size:exempt_known_media_asset
conf
—
details
Exempt asset hit: path=/static/movies/CloudLoop_landscape.mp4; response_size=7553126
More (full fields + snapshot)
expand
url
/static/movies/CloudLoop_landscape.mp4
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
Known media asset (exempt from request-size scoring)
details
Exempt asset hit: path=/static/movies/CloudLoop_landscape.mp4; response_size=7553126
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
8
2025-05-10 18:58:59
event
15478806
GET
200
bytes
7553126
ann
base
label
observed
Request
event observed
/static/movies/CloudLoop_landscape.mp4
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/static/movies/CloudLoop_landscape.mp4
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
9
2025-05-10 18:58:59
event
15478803
GET
404
bytes
7934
ann
base
label
observed
Request
event observed
/memory/action_notifications_/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/memory/action_notifications_/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
10
2025-05-10 18:58:59
event
15478806
GET
200
bytes
7553126
ann
bot
8
label
bot
Request
Bot user-agent detected: crawler
/static/movies/CloudLoop_landscape.mp4
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
bot
rule
bot:crawler
conf
65.00
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
More (full fields + snapshot)
expand
url
/static/movies/CloudLoop_landscape.mp4
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
Bot user-agent detected: crawler
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
11
2025-05-10 18:58:59
event
15478803
GET
404
bytes
7934
ann
bot
8
label
bot
Request
Bot user-agent detected: crawler
/memory/action_notifications_/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
bot
rule
bot:crawler
conf
65.00
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
More (full fields + snapshot)
expand
url
/memory/action_notifications_/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
Bot user-agent detected: crawler
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
12
2025-04-05 18:51:51
event
6428763
GET
404
bytes
7883
ann
base
label
observed
Request
event observed
/memory/action_notifications_/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/memory/action_notifications_/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
13
2025-04-05 18:51:51
event
6428763
GET
404
bytes
7883
ann
bot
8
label
bot
Request
Bot user-agent detected: crawler
/memory/action_notifications_/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Annotation
facts
label
bot
rule
bot:crawler
conf
65.00
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
More (full fields + snapshot)
expand
url
/memory/action_notifications_/
referer
-
UA
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
summary
Bot user-agent detected: crawler
details
Matched bot signature (fallback). Token='crawler'. UA='meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)'
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
14
2024-10-28 14:18:03
event
1539062
GET
200
bytes
42903
ann
base
label
observed
Request
event observed
/blog/building-a-memex-ai-with-todays-large-language-models-a-powerful-digital-assistant-for-the-future/
referer
-
UA
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/blog/building-a-memex-ai-with-todays-large-language-models-a-powerful-digital-assistant-for-the-future/
referer
-
UA
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
15
2024-09-17 14:01:46
event
1486151
GET
http —
ann
ua
6
label
ua
Request
Missing User-Agent header
/robots.txt
referer
—
UA
—
Annotation
facts
label
ua
rule
ua:missing
conf
60.00
details
Request had no User-Agent value (missing/empty field).
More (full fields + snapshot)
expand
url
/robots.txt
referer
—
UA
—
summary
Missing User-Agent header
details
Request had no User-Agent value (missing/empty field).
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
16
2024-09-17 14:01:46
event
1486151
GET
http —
ann
base
label
observed
Request
event observed
/robots.txt
referer
—
UA
—
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/robots.txt
referer
—
UA
—
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
17
2024-09-17 14:01:46
event
1486150
GET
499
ann
base
label
observed
Request
event observed
/robots.txt
referer
-
UA
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/robots.txt
referer
-
UA
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
18
2024-09-10 07:12:46
event
1443489
GET
http —
ann
ua
6
label
ua
Request
Missing User-Agent header
/robots.txt
referer
—
UA
—
Annotation
facts
label
ua
rule
ua:missing
conf
60.00
details
Request had no User-Agent value (missing/empty field).
More (full fields + snapshot)
expand
url
/robots.txt
referer
—
UA
—
summary
Missing User-Agent header
details
Request had no User-Agent value (missing/empty field).
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
19
2024-09-10 07:12:46
event
1443491
GET
499
ann
base
label
observed
Request
event observed
/robots.txt
referer
-
UA
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/robots.txt
referer
-
UA
facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
#
20
2024-09-10 07:12:46
event
1443489
GET
http —
ann
base
label
observed
Request
event observed
/robots.txt
referer
—
UA
—
Annotation
facts
label
observed
rule
base_observed
conf
—
details
—
More (full fields + snapshot)
expand
url
/robots.txt
referer
—
UA
—
summary
event observed
details
—
subnet
173.252.87.0/24
asn
32934 — Facebook, Inc.
geo
United States, Texas, Fort Worth
org
Facebook, Inc.
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