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Subnet Overview

Model: v1 Updated: Jan. 14, 2026, 10:59 a.m.
Report for 4.242.134.0/24 • United States • Microsoft Corporation City report ASN report

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

Traffic ready Risk ready Snapshot ready Window Feb. 3, 2025, midnight → Feb. 10, 2025, midnight Model v1
CIDR
4.242.134.0/24
Prefix
/24
IP Version
IPv4
Subnet Size
256
Network Address
4.242.134.0
Broadcast / Last
4.242.134.255
Observed IPs
1
Footprint
0.391%
Total Hits
16
Total Errors
4
Risk Score
3
Risk Level
low
First Seen
Feb. 5, 2025, 6:22 a.m.
Last Seen
Feb. 5, 2025, 1:23 p.m.
Top Location
Phoenix , Arizona • United States
Top ASN
AS8075 • Microsoft Corporation

Risk

Model: v1
Subnet risk score
3
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
sfp 8 hits 70.40 pts
Technical summary
Computed at
Jan. 14, 2026, 10:34 a.m.
Raw total
70.40
Total hits
16
Errors
4

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
sfp
total=8 · weighted=70.40
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
40 8 1 70.40
sensitive_file 8

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.

4.242.134.100 low
Open report
3 /100
Last seen 2025-02-05 13:23
Hits
16
Errors
4
Country
United States
ASN
AS8075
AS Org
Microsoft Corporation

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.

20.171.207.0/24 /24 Risk 46
Open report
46 max · 41.034 avg
Last seen 2025-02-09 14:31
Hits
3504
IPs
21
Footprint
8.203%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Phoenix, Arizona, United States
52.167.144.0/24 /24 Risk 3
Open report
3 max · 2.210 avg
Last seen 2025-02-09 23:23
Hits
841
IPs
65
Footprint
25.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.77.167.0/24 /24 Risk 2
Open report
2 max · 2.000 avg
Last seen 2025-02-09 23:54
Hits
789
IPs
61
Footprint
23.828%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
52.169.104.0/24 /24 Risk 24
Open report
24 max · 24.000 avg
Last seen 2025-02-08 23:45
Hits
643
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Dublin, Leinster, Ireland
51.8.102.0/24 /24 Risk 1
Open report
1 max · 1.000 avg
Last seen 2025-02-09 21:02
Hits
364
IPs
94
Footprint
36.719%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.77.189.0/24 /24 Risk 1
Open report
1 max · 0.695 avg
Last seen 2025-02-09 21:24
Hits
233
IPs
64
Footprint
25.000%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
40.77.190.0/24 /24 Risk 1
Open report
1 max · 0.689 avg
Last seen 2025-02-09 23:28
Hits
225
IPs
57
Footprint
22.266%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
40.77.188.0/24 /24 Risk 1
Open report
1 max · 0.668 avg
Last seen 2025-02-09 23:23
Hits
208
IPs
62
Footprint
24.219%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
4.227.36.0/24 /24 Risk 3
Open report
3 max · 2.211 avg
Last seen 2025-02-09 23:48
Hits
190
IPs
18
Footprint
7.031%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Phoenix, Arizona, United States
40.77.202.0/24 /24 Risk 1
Open report
1 max · 0.728 avg
Last seen 2025-02-09 11:03
Hits
169
IPs
32
Footprint
12.500%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Chicago, Illinois, United States
20.83.187.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2025-02-09 23:20
Hits
155
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
51.8.155.0/24 /24 Risk 1
Open report
1 max · 0.190 avg
Last seen 2025-02-09 20:46
Hits
153
IPs
41
Footprint
16.016%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.76.162.0/24 /24 Risk 3
Open report
3 max · 3.000 avg
Last seen 2025-02-09 14:45
Hits
139
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
52.230.152.0/24 /24 Risk 2
Open report
2 max · 1.232 avg
Last seen 2025-02-09 11:10
Hits
138
IPs
41
Footprint
16.016%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Des Moines, Iowa, United States
40.84.221.0/24 /24 Risk 1
Open report
1 max · 0.212 avg
Last seen 2025-02-09 22:55
Hits
132
IPs
31
Footprint
12.109%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Antonio, Texas, United States
20.97.189.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2025-02-09 18:56
Hits
124
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
172.178.141.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2025-02-09 19:48
Hits
117
IPs
20
Footprint
7.812%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
52.156.77.0/24 /24 Risk 1
Open report
1 max · 0.316 avg
Last seen 2025-02-09 16:05
Hits
117
IPs
15
Footprint
5.859%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
135.237.131.0/24 /24 Risk 1
Open report
1 max · 0.327 avg
Last seen 2025-02-09 17:16
Hits
113
IPs
16
Footprint
6.250%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
23.98.186.0/24 /24 Risk 1
Open report
1 max · 0.255 avg
Last seen 2025-02-09 18:17
Hits
110
IPs
31
Footprint
12.109%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Antonio, Texas, United States