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ASN REPORT — AS16509 · Amazon.com, Inc.

Contextual Risk

Syndu matches the queried target properties against aggregated behavioral baselines across the IP hierarchy and calculates a contextual risk score from the matched dimensions.

Contextual Risk Score
--unknown

Computed instantly from Syndu's current trust-and-risk model.

Total Hits
15151312
Total Errors
372946
First Seen
April 30, 2023, 3 a.m.
Last Seen
March 23, 2026, 2 a.m.
Risk Level
--
Risk Score
--

Dimension Baselines

In-scope matched dimensions contribute directly to the contextual score. Each value links to the corresponding report and latest computed baseline.

Create API Account Risk API Docs View Pricing

Behavioral Risk

Model: v1 Computed: March 24, 2026, 6:24 p.m.
ASN risk score
100
High
Risk gradient
Contributor codes are normalized (e.g. sqli, cmdi, trav, sfp). Totals and breakdowns are derived from ASN rollups and explainability tables only.
Annotator influence radar
Rendering annotator influence profile…
Normalized contribution (0..1) per annotator versus robust per-code envelope.
All contributing signals
No annotator totals available.
Technical summary
Computed at
March 24, 2026, 6:24 p.m.
Raw total
22447553.83
Total hits
15151312
Errors
372946

Traffic

Rollup

Daily activity (hits per day) and basic HTTP rollup counters for this ASN.

Loading activity…
Daily activity (hits per day). Total in window: —.
Traffic rollup
HTTP status classes, URL diversity, and totals.
2xx
14778366
3xx
0
4xx
372946
5xx
0
Unique URLs
0
Total hits
15151312
First seen
April 30, 2023, 3 a.m.
Last seen
March 23, 2026, 2 a.m.

HTTP Status Breakdown

Response mix grouped by status class (2xx/3xx/4xx/5xx). Auto-loads a single aggregation and renders a donut.

Loading status mix…
Running one aggregation and rendering the chart.

Geolocation

Live geolocation and map tiles auto-load for this ASN snapshot (peer IPs with coordinates).

Loading map…

SUBNETS HELD BY THIS ASN

Derived from report_ipaddress rows mapped to this ASN. Grouped into IPv4 /24 and IPv6 /48 by default.
IPv4
IPv6
Limit
Loading subnets…

Interesting IPs

Top risky peers inside this ASN (latest snapshot). Sorted by risk score, then hits.

216.73.216.222 high
Open report
100 /100
Last seen 2026-03-09 02:00
Hits
4917915
Errors
4230
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.91 high
Open report
100 /100
Last seen 2026-03-23 02:00
Hits
2863152
Errors
2917
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.103 high
Open report
100 /100
Last seen 2026-03-05 02:00
Hits
954295
Errors
2773
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.101 high
Open report
100 /100
Last seen 2026-03-11 02:00
Hits
493026
Errors
135
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.216 high
Open report
100 /100
Last seen 2026-03-12 02:00
Hits
468271
Errors
149
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.219 high
Open report
100 /100
Last seen 2026-03-11 02:00
Hits
341062
Errors
172
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.152 high
Open report
100 /100
Last seen 2026-02-27 02:00
Hits
227412
Errors
7377
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.53 high
Open report
100 /100
Last seen 2026-03-17 02:00
Hits
217374
Errors
155
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.21 high
Open report
100 /100
Last seen 2026-03-13 02:00
Hits
208636
Errors
113
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.96 high
Open report
100 /100
Last seen 2026-02-20 02:00
Hits
203920
Errors
6686
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.213 high
Open report
100 /100
Last seen 2026-01-22 02:00
Hits
201547
Errors
7308
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.181 high
Open report
100 /100
Last seen 2026-03-13 02:00
Hits
193249
Errors
126
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.118 high
Open report
100 /100
Last seen 2026-02-15 02:00
Hits
181442
Errors
14587
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.238 high
Open report
100 /100
Last seen 2025-07-30 03:00
Hits
172635
Errors
24305
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.26 high
Open report
100 /100
Last seen 2026-01-28 02:00
Hits
124577
Errors
12750
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.59 high
Open report
100 /100
Last seen 2025-06-30 03:00
Hits
76133
Errors
12277
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.23 high
Open report
100 /100
Last seen 2026-03-10 02:00
Hits
71476
Errors
20
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.148 high
Open report
100 /100
Last seen 2025-09-16 03:00
Hits
65425
Errors
23613
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.190 high
Open report
100 /100
Last seen 2026-02-01 02:00
Hits
63147
Errors
7830
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.156 high
Open report
100 /100
Last seen 2026-03-11 02:00
Hits
50749
Errors
36
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.83 high
Open report
100 /100
Last seen 2025-05-31 03:00
Hits
47199
Errors
2827
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.183 high
Open report
100 /100
Last seen 2026-01-31 02:00
Hits
38817
Errors
2343
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.237 high
Open report
100 /100
Last seen 2025-06-25 03:00
Hits
37200
Errors
2910
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.207 high
Open report
100 /100
Last seen 2025-05-29 03:00
Hits
27763
Errors
1653
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.171 high
Open report
100 /100
Last seen 2025-08-02 03:00
Hits
25969
Errors
9127
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.8 high
Open report
100 /100
Last seen 2025-09-11 03:00
Hits
25407
Errors
12884
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.186 high
Open report
100 /100
Last seen 2026-02-07 02:00
Hits
16909
Errors
3976
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.149 high
Open report
100 /100
Last seen 2026-01-31 02:00
Hits
15537
Errors
1435
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.155 high
Open report
100 /100
Last seen 2025-07-21 03:00
Hits
15091
Errors
2847
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.214 high
Open report
100 /100
Last seen 2025-07-23 03:00
Hits
13361
Errors
1067
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.82 high
Open report
100 /100
Last seen 2026-02-02 02:00
Hits
13327
Errors
3028
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.1 high
Open report
100 /100
Last seen 2025-09-17 03:00
Hits
12005
Errors
3665
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.37 high
Open report
100 /100
Last seen 2025-08-22 03:00
Hits
11584
Errors
952
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.206 high
Open report
100 /100
Last seen 2025-07-30 03:00
Hits
10031
Errors
5418
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.144 high
Open report
100 /100
Last seen 2025-07-12 03:00
Hits
9843
Errors
847
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.234 high
Open report
100 /100
Last seen 2025-07-30 03:00
Hits
9801
Errors
1298
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.75 high
Open report
100 /100
Last seen 2025-07-24 03:00
Hits
9330
Errors
1623
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.188 high
Open report
100 /100
Last seen 2025-06-01 03:00
Hits
9205
Errors
1590
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.52 high
Open report
100 /100
Last seen 2025-07-23 03:00
Hits
9163
Errors
2209
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.200 high
Open report
100 /100
Last seen 2025-07-14 03:00
Hits
8752
Errors
954
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.34 high
Open report
100 /100
Last seen 2025-07-21 03:00
Hits
8367
Errors
1604
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.125 high
Open report
100 /100
Last seen 2025-08-23 03:00
Hits
8232
Errors
2219
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.121 high
Open report
100 /100
Last seen 2025-07-28 03:00
Hits
8193
Errors
1431
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.224 high
Open report
100 /100
Last seen 2025-07-30 03:00
Hits
7936
Errors
901
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.127 high
Open report
100 /100
Last seen 2025-09-19 03:00
Hits
7749
Errors
2287
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.177 high
Open report
100 /100
Last seen 2025-07-30 03:00
Hits
7545
Errors
831
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.95 high
Open report
100 /100
Last seen 2025-07-10 03:00
Hits
7396
Errors
419
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.94 high
Open report
100 /100
Last seen 2025-07-26 03:00
Hits
7364
Errors
1834
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.90 high
Open report
100 /100
Last seen 2025-07-10 03:00
Hits
7255
Errors
1243
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.116 high
Open report
100 /100
Last seen 2025-07-16 03:00
Hits
7187
Errors
892
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.195 high
Open report
100 /100
Last seen 2025-07-19 03:00
Hits
7116
Errors
721
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.30 high
Open report
100 /100
Last seen 2025-06-22 03:00
Hits
6411
Errors
1079
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.73 high
Open report
100 /100
Last seen 2025-07-19 03:00
Hits
6366
Errors
427
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.153 high
Open report
100 /100
Last seen 2025-07-30 03:00
Hits
6226
Errors
898
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.44 high
Open report
100 /100
Last seen 2025-07-18 03:00
Hits
6223
Errors
750
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.187 high
Open report
100 /100
Last seen 2025-07-15 03:00
Hits
5316
Errors
649
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.191 high
Open report
100 /100
Last seen 2025-08-24 03:00
Hits
5254
Errors
456
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.55 high
Open report
100 /100
Last seen 2025-07-27 03:00
Hits
5196
Errors
613
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.11 high
Open report
100 /100
Last seen 2025-08-21 03:00
Hits
5013
Errors
525
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
3.98.144.223 high
Open report
100 /100
Last seen 2023-10-23 03:00
Hits
3794
Errors
1474
Country
Canada
ASN
AS16509
AS Org
Amazon.com, Inc.
54.67.89.221 high
Open report
100 /100
Last seen 2023-11-13 02:00
Hits
3575
Errors
1866
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
35.183.103.32 high
Open report
100 /100
Last seen 2023-10-29 02:00
Hits
2030
Errors
1474
Country
Canada
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.217.1 high
Open report
99 /100
Last seen 2025-07-15 03:00
Hits
10972
Errors
2186
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.41 high
Open report
99 /100
Last seen 2025-06-01 03:00
Hits
7540
Errors
1325
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.64 high
Open report
99 /100
Last seen 2025-05-31 03:00
Hits
7065
Errors
587
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.198 high
Open report
99 /100
Last seen 2025-06-25 03:00
Hits
6880
Errors
1217
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.209 high
Open report
99 /100
Last seen 2025-06-23 03:00
Hits
6002
Errors
1031
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.167 high
Open report
99 /100
Last seen 2025-08-17 03:00
Hits
5606
Errors
1027
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.76 high
Open report
99 /100
Last seen 2025-06-22 03:00
Hits
5517
Errors
1016
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.63 high
Open report
99 /100
Last seen 2025-07-11 03:00
Hits
5397
Errors
543
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
18.191.166.168 high
Open report
99 /100
Last seen 2025-05-31 03:00
Hits
4792
Errors
850
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.57 high
Open report
99 /100
Last seen 2025-07-16 03:00
Hits
4786
Errors
582
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.71 high
Open report
99 /100
Last seen 2025-07-16 03:00
Hits
4599
Errors
414
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.24 high
Open report
99 /100
Last seen 2025-08-14 03:00
Hits
4342
Errors
249
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.
216.73.216.9 high
Open report
99 /100
Last seen 2025-09-13 03:00
Hits
4105
Errors
162
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.