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Subnet Overview

Model: v1 Updated: Jan. 14, 2026, 11 a.m.
Report for 4.189.255.0/24 • Japan • 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 Oct. 14, 2024, 1 a.m. → Oct. 21, 2024, 1 a.m. Model v1
CIDR
4.189.255.0/24
Prefix
/24
IP Version
IPv4
Subnet Size
256
Network Address
4.189.255.0
Broadcast / Last
4.189.255.255
Observed IPs
1
Footprint
0.391%
Total Hits
47
Total Errors
44
Risk Score
9
Risk Level
low
First Seen
Oct. 15, 2024, 12:14 a.m.
Last Seen
Oct. 15, 2024, 12:16 a.m.
Top Location
Tokyo , Tokyo • Japan
Top ASN
AS8075 • Microsoft Corporation

Risk

Model: v1
Subnet risk score
9
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
trav 15 hits 107.64 pts
sfp 6 hits 44.88 pts
cmdi 2 hits 42.50 pts
scan_velocity 13 hits 32.76 pts
proto 3 hits 2.16 pts
ua 4 hits 0.56 pts
Technical summary
Computed at
Jan. 14, 2026, 10:34 a.m.
Raw total
230.50
Total hits
47
Errors
44

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
trav
total=15 · weighted=107.64
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
28 6 1 43.68
trav 6
26 6 1 40.56
trav 6
30 3 1 23.40
trav 3
sfp
total=6 · weighted=44.88
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
34 6 1 44.88
sensitive_file 6
cmdi
total=2 · weighted=42.50
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
28 1 1 23.80
cmdi 1
22 1 1 18.70
cmdi 1
scan_velocity
total=13 · weighted=32.76
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
20 4 1 14.40
scan_velocity 4
22 3 1 11.88
scan_velocity 3
18 2 1 6.48
scan_velocity 2
0 4 1 0.00
scan_velocity 4
proto
total=3 · weighted=2.16
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
12 2 1 1.92
proto 2
3 1 1 0.24
proto 1
ua
total=4 · weighted=0.56
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
8 2 1 0.32
ua 2
6 2 1 0.24
ua 2

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.

4.189.255.15 low
Open report
9 /100
Last seen 2024-10-15 00:16
Hits
47
Errors
44
Country
Japan
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.

52.167.144.0/24 /24 Risk 2
Open report
2 max · 1.812 avg
Last seen 2024-10-15 12:14
Hits
240
IPs
46
Footprint
17.969%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.77.167.0/24 /24 Risk 2
Open report
2 max · 1.835 avg
Last seen 2024-10-15 12:30
Hits
164
IPs
36
Footprint
14.062%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
51.8.102.0/24 /24 Risk 1
Open report
1 max · 0.707 avg
Last seen 2024-10-15 10:05
Hits
99
IPs
33
Footprint
12.891%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
4.242.232.0/24 /24 Risk 5
Open report
5 max · 4.489 avg
Last seen 2024-10-14 20:31
Hits
94
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Phoenix, Arizona, United States
157.55.39.0/24 /24 Risk 1
Open report
1 max · 0.731 avg
Last seen 2024-10-15 11:12
Hits
78
IPs
18
Footprint
7.031%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
207.46.13.0/24 /24 Risk 1
Open report
1 max · 0.694 avg
Last seen 2024-10-15 11:46
Hits
62
IPs
14
Footprint
5.469%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
172.178.140.0/24 /24 Risk 1
Open report
1 max · 0.774 avg
Last seen 2024-10-15 07:06
Hits
62
IPs
12
Footprint
4.688%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
52.156.77.0/24 /24 Risk 1
Open report
1 max · 0.816 avg
Last seen 2024-10-15 08:29
Hits
49
IPs
12
Footprint
4.688%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
52.225.75.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-15 01:52
Hits
39
IPs
11
Footprint
4.297%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
20.171.206.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-15 11:45
Hits
29
IPs
14
Footprint
5.469%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Phoenix, Arizona, United States
51.8.155.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-15 09:48
Hits
29
IPs
6
Footprint
2.344%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.84.221.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-15 10:58
Hits
28
IPs
8
Footprint
3.125%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Antonio, Texas, United States
20.161.75.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-14 23:20
Hits
23
IPs
3
Footprint
1.172%
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 2024-10-14 21:53
Hits
22
IPs
3
Footprint
1.172%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
135.237.131.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-15 11:28
Hits
21
IPs
8
Footprint
3.125%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
20.97.189.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-14 23:39
Hits
20
IPs
4
Footprint
1.562%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.126.224.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-15 05:25
Hits
20
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
The Rocks, New South Wales, Australia
20.191.253.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-14 05:29
Hits
20
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
The Rocks, New South Wales, Australia
40.77.188.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-15 06:41
Hits
18
IPs
10
Footprint
3.906%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
40.88.21.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-15 07:51
Hits
18
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States