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ASN REPORT — AS40021 · Contabo Inc.

First sighted: May 14, 2023, 3 a.m. · Last sighted: Nov. 26, 2025, 1:59 a.m.

Risk
100 (high)
Total hits
30231
Total errors
5843
Observed IPs
353
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:55:25
Risk score
100
High
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 2287
Points 16279.94
Automated client behavior
Traffic patterns strongly suggest automation rather than a human-operated browser.
bot
Hits 9136
Points 4339.60
Path traversal attempts
Request paths/parameters resemble attempts to access files outside intended directories.
trav
Hits 248
Points 1850.64
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 796
Points 784.71
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 201
Points 510.84
Command injection attempts
Request content resembles attempts to execute OS commands via an application.
cmdi
Hits 12
Points 216.73
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 569
Points 79.25
Protocol anomaly
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
proto
Hits 23
Points 11.98
Firewall probing
Traffic behavior suggests probing of access controls and protected surfaces.
fwprobe
Hits 1
Points 7.92
Referrer abuse
Referrer patterns look manipulated, irrelevant, or inconsistent with normal navigation.
ref
Hits 9
Points 1.13

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
10384
3xx
13615
4xx
5747
5xx
96
Unique URLs
9222
Total hits
30231
First seen
May 14, 2023, 3 a.m.
Last seen
Nov. 26, 2025, 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
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 2287 pts 16279.94
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 1710 1 13844.16 Aug. 12, 2023, 11:15 a.m. Sept. 12, 2025, 3:30 a.m.
sensitive_file 1710
24 321 1 1389.80 April 16, 2024, 2:07 p.m. March 10, 2025, 9:24 a.m.
sensitive_file 321
16 157 1 386.85 June 6, 2024, 9:54 p.m. March 5, 2025, 12:10 a.m.
sensitive_file 157
34 49 1 315.21 July 23, 2023, 9:19 a.m. Oct. 12, 2025, 6:08 a.m.
sensitive_file 49
36 22 1 153.33 Jan. 8, 2025, 2:54 p.m. March 5, 2025, 12:10 a.m.
sensitive_file 22
42 10 1 85.01 March 5, 2025, 12:10 a.m. March 5, 2025, 12:10 a.m.
sensitive_file 10
44 5 1 45.50 March 5, 2025, 12:10 a.m. March 5, 2025, 12:10 a.m.
sensitive_file 5
30 6 1 33.66 Dec. 18, 2024, 2:33 p.m. March 14, 2025, 6:35 p.m.
sensitive_file 6
22 7 1 26.43 March 5, 2025, 12:10 a.m. May 14, 2025, 8:41 a.m.
sensitive_file 7
Automated client behavior bot
Traffic patterns strongly suggest automation rather than a human-operated browser.
hits 9136 pts 4339.60
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 9136 1 4339.60 July 16, 2023, 8:02 a.m. Nov. 25, 2025, 3:36 p.m.
bot 9136
Path traversal attempts trav
Request paths/parameters resemble attempts to access files outside intended directories.
hits 248 pts 1850.64
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
34 118 1 990.96 June 6, 2024, 9:54 p.m. May 14, 2025, 8:41 a.m.
trav 118
28 49 1 328.18 July 23, 2023, 9:19 a.m. Oct. 12, 2025, 6:08 a.m.
trav 49
26 49 1 298.12 July 23, 2023, 9:19 a.m. Oct. 12, 2025, 6:08 a.m.
trav 49
30 32 1 233.38 Sept. 10, 2024, 8:32 a.m. Oct. 12, 2025, 6:08 a.m.
trav 32
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 796 pts 784.71
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 322 1 414.72 Dec. 19, 2023, 11:45 a.m. Aug. 2, 2025, 8:10 p.m.
scan_velocity 322
16 30 1 72.29 Sept. 10, 2024, 8:33 a.m. May 27, 2025, 12:37 p.m.
scan_velocity 30
12 40 1 71.28 June 6, 2024, 9:55 p.m. May 30, 2025, 9:39 p.m.
scan_velocity 40
18 20 1 55.08 Sept. 10, 2024, 8:33 a.m. May 14, 2025, 8:41 a.m.
scan_velocity 20
14 23 1 47.00 June 10, 2024, 11:49 p.m. May 27, 2025, 12:37 p.m.
scan_velocity 23
20 14 1 42.48 Sept. 10, 2024, 8:33 a.m. May 14, 2025, 8:41 a.m.
scan_velocity 14
22 10 1 32.47 Sept. 10, 2024, 8:34 a.m. May 14, 2025, 8:41 a.m.
scan_velocity 10
32 4 1 16.13 March 5, 2025, 12:10 a.m. March 5, 2025, 12:11 a.m.
scan_velocity 4
24 4 1 12.10 March 5, 2025, 12:10 a.m. May 14, 2025, 8:42 a.m.
scan_velocity 4
30 2 1 7.56 March 5, 2025, 12:10 a.m. March 5, 2025, 12:10 a.m.
scan_velocity 2
28 2 1 7.06 March 5, 2025, 12:10 a.m. March 5, 2025, 12:10 a.m.
scan_velocity 2
26 2 1 6.55 March 5, 2025, 12:10 a.m. March 5, 2025, 12:10 a.m.
scan_velocity 2
0 323 1 0.00 Dec. 19, 2023, 11:45 a.m. Aug. 2, 2025, 8:10 p.m.
scan_velocity 323
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 201 pts 510.84
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 112 1 435.93 July 17, 2023, 4:51 p.m. May 30, 2025, 8:07 p.m.
cred 112
12 9 1 45.21 July 17, 2023, 4:51 p.m. March 5, 2025, 12:10 a.m.
cred 9
8 9 1 27.72 Nov. 17, 2023, 8:33 p.m. May 30, 2025, 8:07 p.m.
cred 9
6 1 1 1.98 Jan. 8, 2025, 2:53 p.m. Jan. 8, 2025, 2:53 p.m.
cred 1
0 70 1 0.00 July 17, 2023, 4:51 p.m. May 30, 2025, 8:07 p.m.
cred 70
Command injection attempts cmdi
Request content resembles attempts to execute OS commands via an application.
hits 12 pts 216.73
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 7 1 146.61 July 23, 2023, 9:19 a.m. March 4, 2025, 8:38 a.m.
cmdi 7
22 5 1 70.13 July 23, 2023, 9:19 a.m. March 4, 2025, 8:38 a.m.
cmdi 5
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 569 pts 79.25
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 231 1 33.26 Aug. 12, 2023, 1:47 a.m. Sept. 12, 2025, 3:30 a.m.
ua 231
12 177 1 33.13 July 16, 2023, 8:02 a.m. Nov. 25, 2025, 3:36 p.m.
ua 177
6 122 1 8.78 May 14, 2023, 9:23 p.m. Oct. 12, 2025, 6:08 a.m.
ua 122
8 39 1 4.06 Aug. 18, 2023, 7:06 a.m. Nov. 25, 2025, 3:36 p.m.
ua 39
Protocol anomaly proto
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
hits 23 pts 11.98
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 16 1 11.06 Sept. 10, 2024, 8:32 a.m. Oct. 12, 2025, 6:08 a.m.
proto 16
3 7 1 0.92 Sept. 10, 2024, 8:32 a.m. Oct. 12, 2025, 6:08 a.m.
proto 7
Firewall probing fwprobe
Traffic behavior suggests probing of access controls and protected surfaces.
hits 1 pts 7.92
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
22 1 1 7.92 March 5, 2025, 12:10 a.m. March 5, 2025, 12:10 a.m.
fwprobe 1
Referrer abuse ref
Referrer patterns look manipulated, irrelevant, or inconsistent with normal navigation.
hits 9 pts 1.13
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 9 1 1.13 Nov. 17, 2023, 8:33 p.m. May 30, 2025, 8:07 p.m.
ref 9
HTTP method anomaly method
Unusual or unexpected HTTP methods observed for the target endpoints.
hits 2 pts 0.82
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 2 1 0.82 May 23, 2024, 11:04 p.m. May 23, 2024, 11:04 p.m.
method 2

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.

No peer rows available for this ASN snapshot.