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ASN REPORT — AS51396 · Pfcloud UG

First sighted: Aug. 15, 2023, 3 a.m. · Last sighted: Jan. 11, 2026, 1:59 a.m.

Risk
98 (high)
Total hits
20158
Total errors
1655
Observed IPs
769
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:55:08
Risk score
98
High
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Command injection attempts
Request content resembles attempts to execute OS commands via an application.
cmdi
Hits 194
Points 3619.93
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 385
Points 2877.71
Firewall probing
Traffic behavior suggests probing of access controls and protected surfaces.
fwprobe
Hits 107
Points 1178.77
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 7037
Points 768.59
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 179
Points 302.47
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 89
Points 202.73
HTTP method anomaly
Unusual or unexpected HTTP methods observed for the target endpoints.
method
Hits 366
Points 124.32
Path traversal attempts
Request paths/parameters resemble attempts to access files outside intended directories.
trav
Hits 10
Points 79.97
Header injection attempts
Input patterns suggest attempts to manipulate headers or downstream header parsing.
hdrinj
Hits 3
Points 51.84
General injection attempts
Suspicious input patterns consistent with injection-like probing across multiple families.
injg
Hits 1
Points 23.94

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
104
3xx
18382
4xx
1590
5xx
65
Unique URLs
3634
Total hits
20158
First seen
Aug. 15, 2023, 3 a.m.
Last seen
Jan. 11, 2026, 1:59 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
Command injection attempts cmdi
Request content resembles attempts to execute OS commands via an application.
hits 194 pts 3619.93
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 75 1 1570.80 May 12, 2025, 2:54 a.m. Oct. 21, 2025, 11:33 a.m.
cmdi 75
22 78 1 1104.61 May 24, 2025, 2:57 a.m. Oct. 21, 2025, 11:33 a.m.
cmdi 78
30 41 1 944.52 May 12, 2025, 2:54 a.m. Oct. 21, 2025, 11:33 a.m.
cmdi 41
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 385 pts 2877.71
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 307 1 2485.47 Jan. 22, 2025, 4:46 p.m. Jan. 10, 2026, 12:18 a.m.
sensitive_file 307
36 34 1 231.58 May 12, 2025, 2:54 a.m. Oct. 21, 2025, 11:33 a.m.
sensitive_file 34
24 28 1 121.23 March 24, 2025, 6:49 p.m. Nov. 24, 2025, 12:38 a.m.
sensitive_file 28
16 16 1 39.42 Sept. 22, 2025, 11:30 a.m. Nov. 6, 2025, 5:13 a.m.
sensitive_file 16
Firewall probing fwprobe
Traffic behavior suggests probing of access controls and protected surfaces.
hits 107 pts 1178.77
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 52 1 583.63 March 21, 2025, 11:54 p.m. Nov. 22, 2025, 5:22 a.m.
fwprobe 52
30 31 1 383.13 Aug. 15, 2023, 4:55 a.m. Sept. 26, 2025, 11:54 p.m.
fwprobe 31
26 12 1 119.34 Sept. 26, 2025, 1:43 a.m. Sept. 26, 2025, 11:54 p.m.
fwprobe 12
22 12 1 92.66 Sept. 26, 2025, 1:43 a.m. Sept. 26, 2025, 11:54 p.m.
fwprobe 12
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 7037 pts 768.59
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 6646 1 691.28 Dec. 1, 2023, 2:51 a.m. Jan. 10, 2026, 4:56 a.m.
ua 6646
14 273 1 61.15 May 18, 2025, 12:12 a.m. Oct. 28, 2025, 5:02 a.m.
ua 273
10 84 1 12.10 Jan. 22, 2025, 4:46 p.m. Nov. 25, 2025, 8:38 a.m.
ua 84
12 14 1 2.62 May 26, 2025, 1:54 p.m. May 26, 2025, 1:55 p.m.
ua 14
6 20 1 1.44 Dec. 1, 2023, 2:51 a.m. Dec. 21, 2025, 11:05 p.m.
ua 20
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 179 pts 302.47
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
32 20 1 80.64 March 1, 2025, 2:04 p.m. March 4, 2025, 10:30 p.m.
scan_velocity 20
24 22 1 66.53 Feb. 23, 2025, 3:36 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 22
10 27 1 34.02 Feb. 23, 2025, 3:35 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 27
22 6 1 16.63 Feb. 23, 2025, 3:36 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 6
20 6 1 15.12 Feb. 23, 2025, 3:36 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 6
30 4 1 15.12 March 1, 2025, 2:04 p.m. March 4, 2025, 10:28 p.m.
scan_velocity 4
28 4 1 14.11 March 1, 2025, 2:03 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 4
18 6 1 13.61 Feb. 23, 2025, 3:36 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 6
26 4 1 13.10 March 1, 2025, 2:03 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 4
16 6 1 12.10 Feb. 23, 2025, 3:36 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 6
12 7 1 10.91 Feb. 23, 2025, 3:36 p.m. Oct. 21, 2025, 11:33 a.m.
scan_velocity 7
14 6 1 10.58 Feb. 23, 2025, 3:36 p.m. March 4, 2025, 10:27 p.m.
scan_velocity 6
0 61 1 0.00 Feb. 23, 2025, 3:35 p.m. Oct. 21, 2025, 11:33 a.m.
scan_velocity 61
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 89 pts 202.73
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 46 1 178.31 May 11, 2025, 12:02 a.m. Nov. 29, 2025, 10:14 p.m.
cred 46
12 4 1 20.46 March 21, 2025, 11:54 p.m. Oct. 8, 2025, 8:53 p.m.
cred 4
6 2 1 3.96 March 21, 2025, 11:54 p.m. March 21, 2025, 11:54 p.m.
cred 2
0 37 1 0.00 March 21, 2025, 11:54 p.m. Nov. 29, 2025, 10:14 p.m.
cred 37
HTTP method anomaly method
Unusual or unexpected HTTP methods observed for the target endpoints.
hits 366 pts 124.32
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 223 1 65.83 June 19, 2025, 8:36 p.m. Jan. 10, 2026, 4:56 a.m.
method 223
8 142 1 57.94 Dec. 1, 2023, 2:51 a.m. Dec. 17, 2025, 4:09 a.m.
method 142
10 1 1 0.55 May 8, 2025, 1:20 a.m. May 8, 2025, 1:20 a.m.
method 1
Path traversal attempts trav
Request paths/parameters resemble attempts to access files outside intended directories.
hits 10 pts 79.97
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
34 8 1 67.18 Sept. 22, 2025, 11:30 a.m. Nov. 6, 2025, 5:13 a.m.
trav 8
28 1 1 6.70 Oct. 21, 2025, 11:33 a.m. Oct. 21, 2025, 11:33 a.m.
trav 1
26 1 1 6.08 Oct. 21, 2025, 11:33 a.m. Oct. 21, 2025, 11:33 a.m.
trav 1
Header injection attempts hdrinj
Input patterns suggest attempts to manipulate headers or downstream header parsing.
hits 3 pts 51.84
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
24 3 1 51.84 July 22, 2025, 4:14 a.m. Oct. 21, 2025, 11:33 a.m.
hdrinj 3
General injection attempts injg
Suspicious input patterns consistent with injection-like probing across multiple families.
hits 1 pts 23.94
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
36 1 1 23.94 July 4, 2025, 9:46 a.m. July 4, 2025, 9:46 a.m.
injg 1
Protocol anomaly proto
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
hits 29 pts 21.62
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
11 22 1 13.55 Dec. 1, 2023, 2:51 a.m. Dec. 17, 2025, 4:09 a.m.
proto 22
24 3 1 5.30 July 22, 2025, 4:14 a.m. Oct. 21, 2025, 11:33 a.m.
proto 3
12 4 1 2.76 May 17, 2025, 3:09 a.m. Oct. 21, 2025, 11:33 a.m.
proto 4
Automated client behavior bot
Traffic patterns strongly suggest automation rather than a human-operated browser.
hits 21 pts 8.90
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 16 1 7.60 April 9, 2025, 8:02 a.m. Oct. 11, 2025, 2:25 p.m.
bot 16
8 5 1 1.30 Sept. 29, 2025, 8:03 p.m. Oct. 5, 2025, 8:05 p.m.
bot 5
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 1 pts 0.57
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 1 1 0.57 June 29, 2025, 10:29 a.m. June 29, 2025, 10:29 a.m.
request_size 1

HTTP Status Breakdown

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

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Running one aggregation and rendering the chart.

Geolocation

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

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SUBNETS HELD BY THIS ISP

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

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

No peer rows available for this ASN snapshot.