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Subnet Overview

Model: v1 Updated: Jan. 14, 2026, 10:59 a.m.
Report for 3.21.190.0/24 • United States • Amazon.com, Inc. City report ASN report

High-level context about this subnet: size, density, traffic, risk, and geographic footprint.

Traffic ready Risk ready Snapshot ready Window May 26, 2025, 1 a.m. → June 2, 2025, 1 a.m. Model v1
CIDR
3.21.190.0/24
Prefix
/24
IP Version
IPv4
Subnet Size
256
Network Address
3.21.190.0
Broadcast / Last
3.21.190.255
Observed IPs
1
Footprint
0.391%
Total Hits
1408
Total Errors
46
Risk Score
27
Risk Level
low
First Seen
May 27, 2025, 9:59 p.m.
Last Seen
May 27, 2025, 10 p.m.
Top Location
Dublin , Ohio • United States
Top ASN
AS16509 • Amazon.com, Inc.

Risk

Model: v1
Subnet risk score
27
Low
Risk gradient
Contributors are derived from subnet annotator rollups and normalized to your short codes (e.g. sqli, cmdi, trav, sfp, bot).
Contributing annotators
bot 1364 hits 682.00 pts
scan_velocity 60 hits 55.80 pts
request_size 51 hits 42.84 pts
ua 44 hits 5.28 pts
Technical summary
Computed at
Jan. 14, 2026, 10:34 a.m.
Raw total
785.92
Total hits
1408
Errors
46

Traffic

Rollup

Daily activity (hits per day) plus HTTP response mix and basic counters from the subnet traffic rollup.

Loading activity…
Rendering hits per day for this subnet.
Daily activity (hits per day).

Annotators (All-time)

Heatmap of annotator × severity for this subnet. Darker cells mean more volume in that band. Tip: switch to Weighted points to see what drives impact (not just noise).

Severity →
Low High
bot
total=1364 · weighted=682.00
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
10 1364 1 682.00
bot 1364
scan_velocity
total=60 · weighted=55.80
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
10 31 1 55.80
scan_velocity 31
0 29 1 0.00
scan_velocity 29
request_size
total=51 · weighted=42.84
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
14 51 1 42.84
request_size 51
ua
total=44 · weighted=5.28
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
6 44 1 5.28
ua 44

HTTP Status Breakdown

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

Loading status mix…
Fetching one histogram and rendering the chart.

Geolocation

Live geolocation and map tiles auto-load for this subnet (all IPs with coordinates).

Loading map…

Interesting IPs

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

3.21.190.123 low
Open report
27 /100
Last seen 2025-05-27 22:00
Hits
148
Errors
46
Country
United States
ASN
AS16509
AS Org
Amazon.com, Inc.

Other subnets in this ASN / org

Compares other subnet snapshots matching this report’s ASN/org identity. “Same window” keeps the comparison within the latest snapshot window.

216.73.216.0/24 /24 Risk 100
Open report
100 max · 99.822 avg
Last seen 2025-05-31 23:58
Hits
342403
IPs
184
Footprint
71.875%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Columbus, Ohio, United States
18.191.166.0/24 /24 Risk 67
Open report
67 max · 67.000 avg
Last seen 2025-05-30 12:29
Hits
4616
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
3.141.40.0/24 /24 Risk 57
Open report
57 max · 50.737 avg
Last seen 2025-05-30 19:21
Hits
4149
IPs
2
Footprint
0.781%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
3.144.185.0/24 /24 Risk 47
Open report
47 max · 43.060 avg
Last seen 2025-05-31 21:04
Hits
3196
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
3.136.17.0/24 /24 Risk 23
Open report
23 max · 19.185 avg
Last seen 2025-05-30 04:21
Hits
2019
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
3.12.84.0/24 /24 Risk 32
Open report
32 max · 32.000 avg
Last seen 2025-05-31 16:34
Hits
1830
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
3.144.79.0/24 /24 Risk 22
Open report
22 max · 19.861 avg
Last seen 2025-05-31 01:49
Hits
1296
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
3.139.99.0/24 /24 Risk 15
Open report
15 max · 11.142 avg
Last seen 2025-05-30 05:22
Hits
1030
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
54.169.165.0/24 /24 Risk 1
Open report
1 max · 1.000 avg
Last seen 2025-05-29 15:27
Hits
948
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Singapore, Central Singapore, Singapore
18.217.226.0/24 /24 Risk 14
Open report
14 max · 11.931 avg
Last seen 2025-05-30 00:31
Hits
755
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
18.221.228.0/24 /24 Risk 12
Open report
12 max · 9.509 avg
Last seen 2025-05-29 09:56
Hits
707
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
18.188.83.0/24 /24 Risk 9
Open report
9 max · 6.751 avg
Last seen 2025-05-28 23:00
Hits
675
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
13.229.219.0/24 /24 Risk 84
Open report
84 max · 84.000 avg
Last seen 2025-05-28 19:05
Hits
612
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Singapore, Central Singapore, Singapore
18.223.134.0/24 /24 Risk 7
Open report
7 max · 5.799 avg
Last seen 2025-05-29 10:51
Hits
601
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
18.117.101.0/24 /24 Risk 7
Open report
7 max · 5.216 avg
Last seen 2025-05-29 20:13
Hits
555
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
3.142.240.0/24 /24 Risk 6
Open report
6 max · 4.639 avg
Last seen 2025-05-29 19:02
Hits
523
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
18.217.131.0/24 /24 Risk 5
Open report
5 max · 4.224 avg
Last seen 2025-05-30 01:47
Hits
517
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
35.89.124.0/24 /24 Risk 1
Open report
1 max · 1.000 avg
Last seen 2025-05-28 04:53
Hits
507
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Portland, Oregon, United States
3.16.109.0/24 /24 Risk 3
Open report
3 max · 2.804 avg
Last seen 2025-05-29 18:01
Hits
501
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States
18.188.86.0/24 /24 Risk 5
Open report
5 max · 3.846 avg
Last seen 2025-05-29 13:06
Hits
475
IPs
1
Footprint
0.391%
ASN
AS16509
AS Org
Amazon.com, Inc.
Geo
Dublin, Ohio, United States