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Subnet Overview

Model: v1 Updated: Feb. 20, 2026, 12:18 p.m.
Report for 4.251.9.0/24 • France • Microsoft Corporation City report ASN report

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

Access Mode

Visitor mode shows a reduced view for performance (recent activity window and lighter deep analysis surfaces). Log in or create an account to unlock full-history subnet analysis and richer tooling.

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Traffic ready Risk ready Snapshot ready Window Dec. 9, 2024, midnight → Dec. 16, 2024, midnight Model v1
CIDR
4.251.9.0/24
Prefix
/24
IP Version
IPv4
Subnet Size
256
Network Address
4.251.9.0
Broadcast / Last
4.251.9.255
Observed IPs
1
Footprint
0.391%
Total Hits
18
Total Errors
14
Risk Score
0
Risk Level
low
First Seen
Dec. 11, 2024, 2 a.m.
Last Seen
Dec. 13, 2024, 2 a.m.
Top Location
Paris , Île-de-France • France
Top ASN
AS8075 • Microsoft Corporation
Top ISP
Microsoft Corporation

Risk

Model: v1 Computed: Feb. 20, 2026, 1:36 p.m.
Subnet risk score
0
Low
Risk gradient
Contributor codes are normalized (e.g. sqli, cmdi, trav, sfp). Totals and breakdowns are derived from subnet 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
User-Agent anomaly ua User-Agent signals look missing, inconsistent, or indicative of non-browser tooling. 2 hits 0.40 pts
Severity Hits Labels Weighted Top labels
10 2 1 0.40
{'count': 2, 'label': 'ua'}
Technical summary
Computed at
Feb. 20, 2026, 1:36 p.m.
Raw total
0.40
Total hits
18
Errors
14

Traffic

Rollup

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

Activity Access

Visitor

Visitor mode is limited to the most recent 30 days for performance. Log in or create an account to unlock full-history subnet activity and deeper analysis.

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Loading activity…
Rendering hits per day for this subnet.
Daily activity (stacked response classes + total hits). Showing recent 30 days in visitor mode.

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).

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Sibling Subnets By ASN / Org Identity

Compare other subnet snapshots that share this report's ASN or organization identity. “Same window” keeps comparisons aligned to the current publish window.

51.8.102.0/24 /24 Risk 62
Open report
62 max · 47.461 avg
Last seen 2024-12-16 02:00
Hits
15459
IPs
126
Footprint
49.219%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
52.167.144.0/24 /24 Risk 5
Open report
5 max · 3.116 avg
Last seen 2024-12-16 02:00
Hits
1031
IPs
82
Footprint
32.031%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.77.167.0/24 /24 Risk 4
Open report
4 max · 2.498 avg
Last seen 2024-12-16 02:00
Hits
777
IPs
74
Footprint
28.906%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
20.42.10.0/24 /24 Risk 5
Open report
5 max · 3.401 avg
Last seen 2024-12-16 02:00
Hits
769
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.84.221.0/24 /24 Risk 1
Open report
1 max · 0.917 avg
Last seen 2024-12-16 02:00
Hits
324
IPs
32
Footprint
12.500%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Antonio, Texas, United States
4.227.36.0/24 /24 Risk 3
Open report
3 max · 2.192 avg
Last seen 2024-12-16 02:00
Hits
260
IPs
9
Footprint
3.516%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Phoenix, Arizona, United States
20.161.75.0/24 /24 Risk 2
Open report
2 max · 1.116 avg
Last seen 2024-12-16 02:00
Hits
249
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
172.178.141.0/24 /24 Risk 1
Open report
1 max · 0.158 avg
Last seen 2024-12-16 02:00
Hits
202
IPs
20
Footprint
7.812%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
51.8.155.0/24 /24 Risk 1
Open report
1 max · 0.369 avg
Last seen 2024-12-16 02:00
Hits
195
IPs
19
Footprint
7.422%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
135.237.131.0/24 /24 Risk 1
Open report
1 max · 0.516 avg
Last seen 2024-12-16 02:00
Hits
184
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
23.98.179.0/24 /24 Risk 1
Open report
1 max · 0.293 avg
Last seen 2024-12-16 02:00
Hits
167
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Antonio, Texas, United States
52.156.77.0/24 /24 Risk 1
Open report
1 max · 0.167 avg
Last seen 2024-12-16 02:00
Hits
156
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
52.225.75.0/24 /24 Risk 1
Open report
1 max · 0.201 avg
Last seen 2024-12-16 02:00
Hits
144
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
172.178.140.0/24 /24 Risk 1
Open report
1 max · 0.423 avg
Last seen 2024-12-16 02:00
Hits
130
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
20.97.189.0/24 /24 Risk 1
Open report
1 max · 0.227 avg
Last seen 2024-12-16 02:00
Hits
128
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.77.188.0/24 /24 Risk 1
Open report
1 max · 0.243 avg
Last seen 2024-12-16 02:00
Hits
107
IPs
52
Footprint
20.312%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
40.77.190.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-12-16 02:00
Hits
86
IPs
53
Footprint
20.703%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
20.83.187.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-12-16 02:00
Hits
83
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.77.189.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-12-16 02:00
Hits
77
IPs
45
Footprint
17.578%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
20.169.168.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-12-10 02:00
Hits
71
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States

Interesting IPs In This Subnet

Top risky peer IPs for this subnet snapshot, sorted by risk score then hits. Use this panel to drill down from subnet to IP-level reports.

4.251.9.52 low
Open report
0 /100
Last seen 2024-12-13 02:00
Hits
18
Errors
14
Country
France
ASN
AS8075
AS Org
Microsoft Corporation