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ASN REPORT — AS51088 · A2B IP B.V.

First sighted: June 1, 2023, 3 a.m. · Last sighted: March 2, 2026, 2 a.m.

Risk
4 (low)
Total hits
882
Total errors
213
Observed IPs
161
Top country
United States
Top city
Maastricht
Top region
North Brabant

Risk

Model: v1 Computed: 2026-03-03 19:54:56
Risk score
4
Low
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 440
Points 93.12
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 6
Points 6.48
HTTP method anomaly
Unusual or unexpected HTTP methods observed for the target endpoints.
method
Hits 30
Points 6.24
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 3
Points 0.72

Traffic

Rollup

Daily activity (hits per day) and basic HTTP rollup counters for this ASN.

Loading activity…
Daily activity (hits per day). Total in window: .
Traffic rollup
HTTP status classes, URL diversity, and totals.
2xx
669
3xx
0
4xx
213
5xx
0
Unique URLs
0
Total hits
882
First seen
June 1, 2023, 3 a.m.
Last seen
March 2, 2026, 2 a.m.

Annotators (All-time)

Heatmap of annotator × severity. Darker cells mean more volume in that band. Tip: switch to Weighted points to see what drives impact (not just noise).

Severity →
Low High
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 440 pts 93.12
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 192 126 53.76 Feb. 5, 2025, 1:21 p.m. Feb. 28, 2026, 10:52 p.m.
8 240 74 38.40 July 9, 2023, 3:50 a.m. March 1, 2026, 12:09 p.m.
6 8 8 0.96 June 1, 2023, 1:27 p.m. Jan. 2, 2025, 3:32 p.m.
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 6 pts 6.48
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 3 3 6.48 Sept. 16, 2024, 4:11 p.m. Nov. 27, 2024, 5:32 p.m.
0 3 3 0.00 Sept. 16, 2024, 4:11 p.m. Nov. 27, 2024, 5:32 p.m.
Unusual or unexpected HTTP methods observed for the target endpoints.
hits 30 pts 6.24
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
3 28 26 5.04 June 23, 2025, 5:11 a.m. Feb. 14, 2026, 1:40 a.m.
10 2 2 1.20 May 10, 2025, 1:29 a.m. Aug. 28, 2025, 3:54 a.m.
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 3 pts 0.72
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 1 1 0.72 April 4, 2025, 8:19 a.m. April 4, 2025, 8:19 a.m.
0 2 1 0.00 April 4, 2025, 8:19 a.m. April 4, 2025, 8:19 a.m.

HTTP Status Breakdown

Response mix grouped by status class (2xx/3xx/4xx/5xx). Auto-loads a single aggregation and renders a donut.

Loading status mix…
Running one aggregation and rendering the chart.

Geolocation

Live geolocation and map tiles auto-load for this ASN snapshot (peer IPs with coordinates).

Loading map…

SUBNETS HELD BY THIS ISP

Derived from ISP snapshot peers (Option A). Grouped into IPv4 /24 and IPv6 /48 by default.
IPv4
IPv6
Limit
Loading subnets…

Interesting IPs

Top risky peers inside this ASN (latest snapshot). Sorted by risk score, then hits.

104.152.52.19 low
0 /100
Last seen 2024-11-28 02:00
Hits
30
Errors
8
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.21 low
0 /100
Last seen 2024-11-28 02:00
Hits
30
Errors
8
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.48 low
0 /100
Last seen 2025-03-08 02:00
Hits
30
Errors
8
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.50 low
0 /100
Last seen 2025-04-09 03:00
Hits
30
Errors
8
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.53 low
0 /100
Last seen 2024-09-17 03:00
Hits
30
Errors
8
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.81 low
0 /100
Last seen 2025-02-04 02:00
Hits
30
Errors
8
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.83 low
0 /100
Last seen 2026-03-02 02:00
Hits
30
Errors
8
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
46.244.8.109 low
0 /100
Last seen 2024-12-09 02:00
Hits
22
Errors
0
Country
The Netherlands
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.85 low
0 /100
Last seen 2025-01-19 02:00
Hits
17
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.49 low
0 /100
Last seen 2025-01-03 02:00
Hits
16
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.86 low
0 /100
Last seen 2025-02-25 02:00
Hits
16
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
46.244.106.19 low
0 /100
Last seen 2025-04-05 03:00
Hits
15
Errors
0
Country
The Netherlands
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.23 low
0 /100
Last seen 2026-02-15 02:00
Hits
15
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.27 low
0 /100
Last seen 2024-06-07 03:00
Hits
15
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.36 low
0 /100
Last seen 2025-01-10 02:00
Hits
15
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.40 low
0 /100
Last seen 2025-01-26 02:00
Hits
15
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.41 low
0 /100
Last seen 2024-12-11 02:00
Hits
15
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.44 low
0 /100
Last seen 2025-02-02 02:00
Hits
15
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.74 low
0 /100
Last seen 2024-12-31 02:00
Hits
15
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.88 low
0 /100
Last seen 2025-03-16 02:00
Hits
15
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.201 low
0 /100
Last seen 2026-02-20 02:00
Hits
12
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.215 low
0 /100
Last seen 2025-09-13 03:00
Hits
9
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.60 low
0 /100
Last seen 2025-09-28 03:00
Hits
8
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.64 low
0 /100
Last seen 2025-11-24 02:00
Hits
8
Errors
3
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.216 low
0 /100
Last seen 2026-02-11 02:00
Hits
8
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.236 low
0 /100
Last seen 2026-02-15 02:00
Hits
8
Errors
4
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.238 low
0 /100
Last seen 2026-02-07 02:00
Hits
8
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.55 low
0 /100
Last seen 2025-05-07 03:00
Hits
7
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.128 low
0 /100
Last seen 2026-02-14 02:00
Hits
7
Errors
3
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.145 low
0 /100
Last seen 2025-07-10 03:00
Hits
7
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.155 low
0 /100
Last seen 2025-08-03 03:00
Hits
7
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.214 low
0 /100
Last seen 2026-02-22 02:00
Hits
7
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.15 low
0 /100
Last seen 2024-02-20 02:00
Hits
6
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.105 low
0 /100
Last seen 2026-02-08 02:00
Hits
6
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.141 low
0 /100
Last seen 2025-09-17 03:00
Hits
6
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.144 low
0 /100
Last seen 2025-05-23 03:00
Hits
6
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.205 low
0 /100
Last seen 2025-10-05 03:00
Hits
6
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.211 low
0 /100
Last seen 2025-10-01 03:00
Hits
6
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.219 low
0 /100
Last seen 2025-09-16 03:00
Hits
6
Errors
5
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.220 low
0 /100
Last seen 2025-10-09 03:00
Hits
6
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.223 low
0 /100
Last seen 2026-02-28 02:00
Hits
6
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.232 low
0 /100
Last seen 2025-08-11 03:00
Hits
6
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.56 low
0 /100
Last seen 2025-04-11 03:00
Hits
5
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.73 low
0 /100
Last seen 2025-09-09 03:00
Hits
5
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.118 low
0 /100
Last seen 2025-10-03 03:00
Hits
5
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.120 low
0 /100
Last seen 2026-02-12 02:00
Hits
5
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.122 low
0 /100
Last seen 2026-02-12 02:00
Hits
5
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.124 low
0 /100
Last seen 2025-09-22 03:00
Hits
5
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.133 low
0 /100
Last seen 2026-01-23 02:00
Hits
5
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.148 low
0 /100
Last seen 2025-07-30 03:00
Hits
5
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.152 low
0 /100
Last seen 2025-04-05 03:00
Hits
5
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.164 low
0 /100
Last seen 2025-08-03 03:00
Hits
5
Errors
3
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.213 low
0 /100
Last seen 2026-01-29 02:00
Hits
5
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.227 low
0 /100
Last seen 2025-08-17 03:00
Hits
5
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.230 low
0 /100
Last seen 2025-04-23 03:00
Hits
5
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.241 low
0 /100
Last seen 2026-02-22 02:00
Hits
5
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.242 low
0 /100
Last seen 2025-07-22 03:00
Hits
5
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.244 low
0 /100
Last seen 2025-05-29 03:00
Hits
5
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.57 low
0 /100
Last seen 2025-08-11 03:00
Hits
4
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.66 low
0 /100
Last seen 2026-02-26 02:00
Hits
4
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.70 low
0 /100
Last seen 2025-11-24 02:00
Hits
4
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.71 low
0 /100
Last seen 2025-11-24 02:00
Hits
4
Errors
3
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.114 low
0 /100
Last seen 2025-03-14 02:00
Hits
4
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.119 low
0 /100
Last seen 2025-10-12 03:00
Hits
4
Errors
3
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.134 low
0 /100
Last seen 2026-01-27 02:00
Hits
4
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.137 low
0 /100
Last seen 2026-02-14 02:00
Hits
4
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.142 low
0 /100
Last seen 2025-07-20 03:00
Hits
4
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.147 low
0 /100
Last seen 2025-08-25 03:00
Hits
4
Errors
2
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.153 low
0 /100
Last seen 2025-08-04 03:00
Hits
4
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.160 low
0 /100
Last seen 2025-08-02 03:00
Hits
4
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.165 low
0 /100
Last seen 2025-08-03 03:00
Hits
4
Errors
3
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.196 low
0 /100
Last seen 2024-11-22 02:00
Hits
4
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.200 low
0 /100
Last seen 2026-02-16 02:00
Hits
4
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.202 low
0 /100
Last seen 2026-03-01 02:00
Hits
4
Errors
1
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.
104.152.52.207 low
0 /100
Last seen 2025-04-24 03:00
Hits
4
Errors
0
Country
United States
ASN
AS51088
AS Org
A2B IP B.V.