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ASN REPORT — AS3257 · GTT Communications Inc.

First sighted: Oct. 19, 2023, 3 a.m. · Last sighted: Jan. 10, 2026, 1:59 a.m.

Risk
3 (low)
Total hits
383
Total errors
96
Observed IPs
168
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:54:56
Risk score
3
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 8
Points 45.94
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 12
Points 26.95
Firewall probing
Traffic behavior suggests probing of access controls and protected surfaces.
fwprobe
Hits 1
Points 12.42
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 7
Points 0.76
Automated client behavior
Traffic patterns strongly suggest automation rather than a human-operated browser.
bot
Hits 1
Points 0.48
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 13
Points

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
233
3xx
32
4xx
42
5xx
54
Unique URLs
243
Total hits
383
First seen
Oct. 19, 2023, 3 a.m.
Last seen
Jan. 10, 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 8 pts 45.94
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 3 1 24.29 Oct. 19, 2023, 8:55 p.m. May 9, 2025, 9:52 a.m.
sensitive_file 3
24 5 1 21.65 Feb. 14, 2025, 4:22 p.m. April 23, 2025, 8:33 p.m.
sensitive_file 5
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 12 pts 26.95
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 5 1 19.36 May 9, 2024, 3:27 a.m. May 9, 2024, 3:28 a.m.
cred 5
12 1 1 5.61 May 9, 2024, 3:27 a.m. May 9, 2024, 3:27 a.m.
cred 1
6 1 1 1.98 May 9, 2024, 3:27 a.m. May 9, 2024, 3:27 a.m.
cred 1
0 5 1 0.00 May 9, 2024, 3:27 a.m. May 9, 2024, 3:28 a.m.
cred 5
Firewall probing fwprobe
Traffic behavior suggests probing of access controls and protected surfaces.
hits 1 pts 12.42
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
30 1 1 12.42 Dec. 8, 2023, 3:32 p.m. Dec. 8, 2023, 3:32 p.m.
fwprobe 1
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 7 pts 0.76
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 4 1 0.29 May 9, 2024, 3:27 a.m. Dec. 21, 2025, 11:05 p.m.
ua 4
10 2 1 0.29 Feb. 20, 2025, 3:06 p.m. Feb. 20, 2025, 3:07 p.m.
ua 2
12 1 1 0.19 Aug. 22, 2025, 2:11 a.m. Aug. 22, 2025, 2:11 a.m.
ua 1
Automated client behavior bot
Traffic patterns strongly suggest automation rather than a human-operated browser.
hits 1 pts 0.48
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 1 1 0.48 Aug. 22, 2025, 2:11 a.m. Aug. 22, 2025, 2:11 a.m.
bot 1
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 13 pts 0.00
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
0 13 1 0.00 July 31, 2025, 8:26 p.m. Nov. 6, 2025, 5:48 p.m.
request_size 13

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.