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Subnet Overview

Model: v1 Updated: Jan. 14, 2026, 11 a.m.
Report for 13.72.113.0/24 • 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 Oct. 7, 2024, 1 a.m. → Oct. 14, 2024, 1 a.m. Model v1
CIDR
13.72.113.0/24
Prefix
/24
IP Version
IPv4
Subnet Size
256
Network Address
13.72.113.0
Broadcast / Last
13.72.113.255
Observed IPs
1
Footprint
0.391%
Total Hits
36
Total Errors
0
Risk Score
4
Risk Level
low
First Seen
Oct. 9, 2024, 8:35 p.m.
Last Seen
Oct. 9, 2024, 8:36 p.m.
Top Location
Boydton , Virginia • United States
Top ASN
AS8075 • Microsoft Corporation

Risk

Model: v1
Subnet risk score
4
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
cmdi 6 hits 112.20 pts
ua 24 hits 2.88 pts
Technical summary
Computed at
Jan. 14, 2026, 10:34 a.m.
Raw total
115.08
Total hits
36
Errors
0

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
cmdi
total=6 · weighted=112.20
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
22 6 1 112.20
cmdi 6
ua
total=24 · weighted=2.88
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
6 24 1 2.88
ua 24

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.

13.72.113.147 low
Open report
4 /100
Last seen 2024-10-09 20:36
Hits
36
Errors
0
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.

52.167.144.0/24 /24 Risk 3
Open report
3 max · 2.184 avg
Last seen 2024-10-14 00:54
Hits
799
IPs
69
Footprint
26.953%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.77.167.0/24 /24 Risk 2
Open report
2 max · 1.723 avg
Last seen 2024-10-14 00:42
Hits
682
IPs
61
Footprint
23.828%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
20.83.187.0/24 /24 Risk 1
Open report
1 max · 0.921 avg
Last seen 2024-10-12 17:14
Hits
532
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
157.55.39.0/24 /24 Risk 2
Open report
2 max · 1.427 avg
Last seen 2024-10-13 15:03
Hits
199
IPs
21
Footprint
8.203%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
207.46.13.0/24 /24 Risk 2
Open report
2 max · 1.460 avg
Last seen 2024-10-10 01:50
Hits
198
IPs
19
Footprint
7.422%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
20.171.206.0/24 /24 Risk 1
Open report
1 max · 0.286 avg
Last seen 2024-10-13 18:05
Hits
112
IPs
51
Footprint
19.922%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Phoenix, Arizona, United States
40.84.221.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 23:46
Hits
99
IPs
26
Footprint
10.156%
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 2024-10-13 21:43
Hits
89
IPs
15
Footprint
5.859%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
52.225.75.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-14 00:26
Hits
86
IPs
14
Footprint
5.469%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
20.97.189.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 23:13
Hits
83
IPs
12
Footprint
4.688%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
51.8.102.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 22:16
Hits
77
IPs
21
Footprint
8.203%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
40.77.190.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 21:38
Hits
66
IPs
39
Footprint
15.234%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
40.77.188.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 23:27
Hits
65
IPs
39
Footprint
15.234%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
40.77.189.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 22:20
Hits
64
IPs
41
Footprint
16.016%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Quincy, Washington, United States
52.156.77.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 20:56
Hits
61
IPs
12
Footprint
4.688%
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 2024-10-08 13:41
Hits
58
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Boydton, Virginia, United States
51.8.155.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 21:38
Hits
40
IPs
15
Footprint
5.859%
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 2024-10-13 20:32
Hits
34
IPs
13
Footprint
5.078%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
San Francisco, California, United States
20.191.45.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-12 22:59
Hits
33
IPs
1
Footprint
0.391%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Dublin, Leinster, Ireland
40.77.202.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-10-13 21:00
Hits
29
IPs
14
Footprint
5.469%
ASN
AS8075
AS Org
Microsoft Corporation
Geo
Chicago, Illinois, United States