DigitalOcean Referral Badge
cloud1
cloud2
cloud3
cloud4
cloud5
cloud6
← Back

ASN REPORT — AS4766 · Korea Telecom

First sighted: May 16, 2023, 3 a.m. · Last sighted: Jan. 2, 2026, 1:59 a.m.

Risk
93 (high)
Total hits
5322
Total errors
842
Observed IPs
829
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:55:25
Risk score
93
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 204
Points 4106.52
Path traversal attempts
Request paths/parameters resemble attempts to access files outside intended directories.
trav
Hits 96
Points 639.01
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 124
Points 558.48
SQL injection attempts
Input patterns resemble attempts to manipulate SQL queries via application parameters.
sqli
Hits 30
Points 431.64
Protocol anomaly
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
proto
Hits 489
Points 301.57
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 130
Points 270.43
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 88
Points 254.04
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 1283
Points 186.15
Firewall probing
Traffic behavior suggests probing of access controls and protected surfaces.
fwprobe
Hits 3
Points 36.45
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 55
Points 5.99

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
580
3xx
3160
4xx
812
5xx
30
Unique URLs
1506
Total hits
5322
First seen
May 16, 2023, 3 a.m.
Last seen
Jan. 2, 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 204 pts 4106.52
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 180 1 3769.92 May 31, 2023, 12:45 p.m. Aug. 2, 2025, 12:58 p.m.
cmdi 180
22 24 1 336.60 May 26, 2024, 11:25 a.m. Aug. 2, 2025, 12:58 p.m.
cmdi 24
Path traversal attempts trav
Request paths/parameters resemble attempts to access files outside intended directories.
hits 96 pts 639.01
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 34 1 227.72 March 11, 2025, 1:57 p.m. Aug. 26, 2025, 10:03 p.m.
trav 34
26 34 1 206.86 March 11, 2025, 1:57 p.m. Aug. 26, 2025, 10:03 p.m.
trav 34
30 28 1 204.44 March 11, 2025, 1:58 p.m. Aug. 26, 2025, 10:05 p.m.
trav 28
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 124 pts 558.48
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
22 90 1 339.77 Oct. 27, 2023, 4:10 a.m. July 15, 2025, 9:51 p.m.
sensitive_file 90
34 34 1 218.72 March 11, 2025, 1:57 p.m. Aug. 26, 2025, 10:03 p.m.
sensitive_file 34
SQL injection attempts sqli
Input patterns resemble attempts to manipulate SQL queries via application parameters.
hits 30 pts 431.64
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
24 18 1 354.24 May 26, 2024, 11:25 a.m. Nov. 20, 2024, 7:40 a.m.
sqli 18
8 9 1 39.60 Nov. 20, 2024, 7:39 a.m. Nov. 20, 2024, 7:40 a.m.
sqli 9
18 3 1 37.80 Nov. 20, 2024, 7:39 a.m. Nov. 20, 2024, 7:39 a.m.
sqli 3
Protocol anomaly proto
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
hits 489 pts 301.57
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
11 477 1 293.83 Oct. 27, 2023, 4:10 a.m. July 15, 2025, 9:51 p.m.
proto 477
12 11 1 7.60 March 11, 2025, 1:58 p.m. Aug. 26, 2025, 10:03 p.m.
proto 11
3 1 1 0.13 Aug. 26, 2025, 10:03 p.m. Aug. 26, 2025, 10:03 p.m.
proto 1
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 130 pts 270.43
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
22 24 1 83.95 Jan. 19, 2024, 9:43 p.m. May 13, 2025, 10:32 a.m.
scan_velocity 24
20 14 1 43.92 Jan. 19, 2024, 9:43 p.m. May 13, 2025, 10:31 a.m.
scan_velocity 14
24 9 1 33.26 Jan. 19, 2024, 9:43 p.m. March 21, 2025, 2:08 a.m.
scan_velocity 9
26 7 1 29.48 Nov. 20, 2024, 7:40 a.m. March 21, 2025, 2:08 a.m.
scan_velocity 7
18 6 1 16.20 Jan. 19, 2024, 9:43 p.m. March 21, 2025, 2:08 a.m.
scan_velocity 6
10 12 1 15.12 Jan. 19, 2024, 9:42 p.m. March 6, 2025, 8:22 p.m.
scan_velocity 12
30 3 1 14.58 Nov. 20, 2024, 7:40 a.m. Nov. 20, 2024, 7:40 a.m.
scan_velocity 3
28 3 1 13.61 Nov. 20, 2024, 7:40 a.m. Nov. 20, 2024, 7:40 a.m.
scan_velocity 3
16 4 1 9.22 Jan. 19, 2024, 9:43 p.m. March 21, 2025, 2:08 a.m.
scan_velocity 4
14 4 1 8.06 Jan. 19, 2024, 9:43 p.m. March 21, 2025, 2:08 a.m.
scan_velocity 4
12 2 1 3.02 Jan. 19, 2024, 9:43 p.m. Jan. 19, 2024, 9:43 p.m.
scan_velocity 2
0 42 1 0.00 Jan. 19, 2024, 9:42 p.m. May 13, 2025, 10:32 a.m.
scan_velocity 42
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 88 pts 254.04
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 47 1 183.15 Aug. 16, 2023, 10:24 p.m. Jan. 11, 2025, 9:57 p.m.
cred 47
12 13 1 64.35 Aug. 16, 2023, 10:24 p.m. Jan. 11, 2025, 9:57 p.m.
cred 13
14 1 1 6.55 Aug. 16, 2023, 10:24 p.m. Aug. 16, 2023, 10:24 p.m.
cred 1
0 27 1 0.00 Aug. 16, 2023, 10:24 p.m. Jan. 11, 2025, 9:57 p.m.
cred 27
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 1283 pts 186.15
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 495 1 110.88 Jan. 5, 2025, 5:20 p.m. Sept. 28, 2025, 6:20 a.m.
ua 495
8 541 1 56.26 July 6, 2023, 2:39 a.m. Oct. 1, 2025, 8:45 p.m.
ua 541
6 230 1 16.56 May 16, 2023, 4:13 a.m. Aug. 26, 2025, 10:05 p.m.
ua 230
10 17 1 2.45 Aug. 4, 2023, 5:18 a.m. March 22, 2025, 10:12 a.m.
ua 17
Firewall probing fwprobe
Traffic behavior suggests probing of access controls and protected surfaces.
hits 3 pts 36.45
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
30 3 1 36.45 June 2, 2023, 4:59 p.m. April 18, 2024, 7:41 a.m.
fwprobe 3
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 55 pts 5.99
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 7 1 4.12 July 2, 2025, 8:09 a.m. Nov. 26, 2025, 2:58 a.m.
request_size 7
12 4 1 1.87 Jan. 22, 2025, 1:50 p.m. July 9, 2025, 10:03 p.m.
request_size 4
0 44 1 0.00 Jan. 2, 2025, 10:39 p.m. Aug. 21, 2025, 3:48 p.m.
request_size 44
HTTP method anomaly method
Unusual or unexpected HTTP methods observed for the target endpoints.
hits 6 pts 2.45
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 6 1 2.45 May 16, 2023, 4:13 a.m. June 6, 2023, 11:13 a.m.
method 6

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.