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Subnet Overview

Model: v1 Updated: Jan. 14, 2026, 11:04 a.m.
Report for 51.81.8.0/24 • United States • OVH SAS City report ASN report

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

Traffic ready Risk ready Snapshot ready Window Jan. 15, 2024, midnight → Jan. 22, 2024, midnight Model v1
CIDR
51.81.8.0/24
Prefix
/24
IP Version
IPv4
Subnet Size
256
Network Address
51.81.8.0
Broadcast / Last
51.81.8.255
Observed IPs
1
Footprint
0.391%
Total Hits
1
Total Errors
1
Risk Score
0
Risk Level
low
First Seen
Jan. 15, 2024, 10:13 p.m.
Last Seen
Jan. 15, 2024, 10:13 p.m.
Top Location
Reston , Virginia • United States
Top ASN
AS16276 • OVH SAS

Risk

Model: v1
Subnet risk score
0
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
ua 1 hits 0.20 pts
Technical summary
Computed at
Jan. 14, 2026, 10:34 a.m.
Raw total
0.20
Total hits
1
Errors
1

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
ua
total=1 · weighted=0.20
Breakdown by severity band (all-time). “Weighted” reflects your weight coefficients/squash.
Severity Total Labels Weighted Top labels
10 1 1 0.20
ua 1

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.

51.81.8.40 low
Open report
0 /100
Last seen 2024-01-15 22:13
Hits
1
Errors
1
Country
United States
ASN
AS16276
AS Org
OVH SAS

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.

54.36.148.0/24 /24 Risk 4
Open report
4 max · 3.017 avg
Last seen 2024-01-21 23:25
Hits
785
IPs
229
Footprint
89.453%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
54.36.149.0/24 /24 Risk 1
Open report
1 max · 0.962 avg
Last seen 2024-01-21 23:43
Hits
316
IPs
95
Footprint
37.109%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
57.129.23.0/24 /24 Risk 17
Open report
17 max · 11.324 avg
Last seen 2024-01-20 00:58
Hits
210
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Frankfurt am Main, Hesse, Germany
54.36.115.0/24 /24 Risk 10
Open report
10 max · 7.919 avg
Last seen 2024-01-21 23:47
Hits
124
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Saarbrücken, Saarland, Germany
54.37.79.0/24 /24 Risk 4
Open report
4 max · 2.600 avg
Last seen 2024-01-21 01:30
Hits
80
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Saarbrücken, Saarland, Germany
193.70.81.0/24 /24 Risk 1
Open report
1 max · 1.000 avg
Last seen 2024-01-21 07:12
Hits
28
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
51.222.253.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-01-21 20:45
Hits
20
IPs
8
Footprint
3.125%
ASN
AS16276
AS Org
OVH SAS
Geo
Beauharnois, Quebec, Canada
146.59.35.0/24 /24 Risk 1
Open report
1 max · 1.000 avg
Last seen 2024-01-20 14:25
Hits
17
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Warsaw, Mazovia, Poland
192.99.15.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-01-21 09:22
Hits
9
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Montreal, Quebec, Canada
94.23.203.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-01-21 05:29
Hits
3
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
51.254.59.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-01-20 05:57
Hits
3
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Courbevoie, Île-de-France, France
15.235.114.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-01-21 23:51
Hits
2
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Montreal, Quebec, Canada
149.202.50.0/24 /24 Risk 1
Open report
1 max · 1.000 avg
Last seen 2024-01-15 04:51
Hits
2
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Strasbourg, Grand Est, France
51.255.130.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-01-15 01:50
Hits
1
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Roubaix, Hauts-de-France, France
142.44.176.0/24 /24 Risk 0
Open report
0 max · 0.000 avg
Last seen 2024-01-15 02:42
Hits
1
IPs
1
Footprint
0.391%
ASN
AS16276
AS Org
OVH SAS
Geo
Montreal, Quebec, Canada