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ASN REPORT — AS209 · CenturyLink Communications, LLC

First sighted: July 18, 2023, 3 a.m. · Last sighted: Jan. 11, 2026, 1:59 a.m.

Risk
11 (low)
Total hits
5402
Total errors
884
Observed IPs
437
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:55:13
Risk score
11
Low
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 14
Points 113.34
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 739
Points 53.72
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 17
Points 51.92
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 46
Points 28.98
Command injection attempts
Request content resembles attempts to execute OS commands via an application.
cmdi
Hits 1
Points 20.94
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 244
Points 14.63
Automated client behavior
Traffic patterns strongly suggest automation rather than a human-operated browser.
bot
Hits 12
Points 5.70

Traffic

Rollup

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

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Daily activity (hits per day). Total in window: —.
Traffic rollup
HTTP status classes, URL diversity, and totals.
2xx
2463
3xx
122
4xx
156
5xx
728
Unique URLs
1823
Total hits
5402
First seen
July 18, 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
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 14 pts 113.34
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 14 1 113.34 July 18, 2023, 8:54 p.m. Nov. 7, 2023, 8:25 a.m.
sensitive_file 14
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 739 pts 53.72
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 733 1 52.78 Nov. 17, 2023, 5:47 p.m. Dec. 11, 2025, 9:08 a.m.
ua 733
12 5 1 0.84 Sept. 21, 2023, 5:46 a.m. Dec. 6, 2024, 2:44 a.m.
ua 5
8 1 1 0.10 Nov. 17, 2023, 10:42 a.m. Nov. 17, 2023, 10:42 a.m.
ua 1
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 17 pts 51.92
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 7 1 27.17 Dec. 20, 2023, 3:09 p.m. Feb. 12, 2024, 7:36 a.m.
cred 7
12 5 1 24.75 Dec. 20, 2023, 3:09 p.m. Feb. 12, 2024, 7:36 a.m.
cred 5
0 5 1 0.00 Dec. 20, 2023, 3:09 p.m. Feb. 12, 2024, 7:36 a.m.
cred 5
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 46 pts 28.98
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 23 1 28.98 Nov. 19, 2024, 7:35 a.m. March 15, 2025, 8:38 p.m.
scan_velocity 23
0 23 1 0.00 Nov. 19, 2024, 7:35 a.m. March 15, 2025, 8:38 p.m.
scan_velocity 23
Command injection attempts cmdi
Request content resembles attempts to execute OS commands via an application.
hits 1 pts 20.94
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 1 1 20.94 Jan. 29, 2024, 9:53 p.m. Jan. 29, 2024, 9:53 p.m.
cmdi 1
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 244 pts 14.63
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 30 1 14.04 Dec. 23, 2024, 3:23 a.m. Oct. 14, 2025, 6:14 a.m.
request_size 30
14 1 1 0.59 May 31, 2025, 6:19 p.m. May 31, 2025, 6:19 p.m.
request_size 1
0 213 1 0.00 Dec. 30, 2024, 1:06 a.m. Oct. 14, 2025, 6:13 a.m.
request_size 213
Automated client behavior bot
Traffic patterns strongly suggest automation rather than a human-operated browser.
hits 12 pts 5.70
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 12 1 5.70 Oct. 29, 2023, 8:01 p.m. May 26, 2025, 6:23 a.m.
bot 12

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.