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Subnet Overview

Model: v1 Updated: Feb. 15, 2026, 6:37 p.m.
Report for 51.81.173.0/24 • United States • OVH SAS 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 May 20, 2024, 1 a.m. → May 27, 2024, 1 a.m. Model v1
CIDR
51.81.173.0/24
Prefix
/24
IP Version
IPv4
Subnet Size
256
Network Address
51.81.173.0
Broadcast / Last
51.81.173.255
Observed IPs
1
Footprint
0.391%
Total Hits
4
Total Errors
1
Risk Score
1
Risk Level
low
First Seen
May 20, 2024, midnight
Last Seen
May 21, 2024, midnight
Top Location
Hillsboro , Oregon • United States
Top ASN
AS16276 • OVH SAS

Risk

Model: v1 Computed: Feb. 15, 2026, 7:19 p.m.
Subnet risk score
1
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
Sensitive file probing sfp Requests target commonly sensitive files, configs, backups, or administrative resources. 2 hits 17.60 pts
Severity Hits Labels Weighted Top labels
40 2 1 17.60
{'count': 2, 'label': 'sensitive_file'}
User-Agent anomaly ua User-Agent signals look missing, inconsistent, or indicative of non-browser tooling. 4 hits 0.80 pts
Severity Hits Labels Weighted Top labels
10 4 1 0.80
{'count': 4, 'label': 'ua'}
Technical summary
Computed at
Feb. 15, 2026, 7:19 p.m.
Raw total
18.40
Total hits
4
Errors
1

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).

Loading map…

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.

51.81.173.231 low
Open report
1 /100
Last seen 2024-05-21 00:00
Hits
4
Errors
1
Country
United States
ASN
AS16276
AS Org
OVH SAS

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.

54.36.148.0/24 /24 Risk 3
Open report
3 max · 1.815 avg
Last seen 2024-05-28 00:00
Hits
631
IPs
228
Footprint
89.062%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
51.38.181.0/24 /24 Risk 9
Open report
9 max · 9.000 avg
Last seen 2024-05-22 00:00
Hits
467
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
37.187.73.0/24 /24 Risk 10
Open report
10 max · 10.000 avg
Last seen 2024-05-28 00:00
Hits
462
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
146.59.161.0/24 /24 Risk 9
Open report
9 max · 9.000 avg
Last seen 2024-05-27 00:00
Hits
450
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Warsaw, Mazovia, Poland
54.36.149.0/24 /24 Risk 1
Open report
1 max · 0.941 avg
Last seen 2024-05-28 00:00
Hits
305
IPs
103
Footprint
40.234%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
94.23.203.0/24 /24 Risk 5
Open report
5 max · 4.961 avg
Last seen 2024-05-24 00:00
Hits
254
IPs
2
Footprint
0.781%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
217.182.134.0/24 /24 Risk 5
Open report
5 max · 5.000 avg
Last seen 2024-05-28 00:00
Hits
253
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
57.129.23.0/24 /24 Risk 7
Open report
7 max · 5.702 avg
Last seen 2024-05-28 00:00
Hits
228
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Frankfurt am Main, Hesse, Germany
54.36.115.0/24 /24 Risk 7
Open report
7 max · 5.118 avg
Last seen 2024-05-28 00:00
Hits
204
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Saarbrücken, Saarland, Germany
54.37.79.0/24 /24 Risk 3
Open report
3 max · 2.053 avg
Last seen 2024-05-28 00:00
Hits
76
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Saarbrücken, Saarland, Germany
149.56.160.0/24 /24 Risk 1
Open report
1 max · 1.000 avg
Last seen 2024-05-26 00:00
Hits
28
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Montreal, Quebec, Canada
51.222.253.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-28 00:00
Hits
18
IPs
10
Footprint
3.906%
ASN
AS16276
AS Org
OVH SAS
Geo
Beauharnois, Quebec, Canada
149.56.150.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-26 00:00
Hits
17
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Montreal, Quebec, Canada
54.39.104.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-26 00:00
Hits
13
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Beauharnois, Quebec, Canada
51.81.153.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-22 00:00
Hits
10
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Hillsboro, Oregon, United States
5.196.102.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-23 00:00
Hits
4
IPs
4
Footprint
1.562%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
51.222.44.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-22 00:00
Hits
4
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Montreal, Quebec, Canada
51.89.195.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-24 00:00
Hits
4
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
London, England, United Kingdom
51.79.74.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-27 00:00
Hits
4
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Beauharnois, Quebec, Canada
51.210.178.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-05-23 00:00
Hits
4
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Gravelines, Hauts-de-France, France