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ASN REPORT — AS4766 · Korea Telecom

First sighted: May 16, 2023, 3 a.m. · Last sighted: Feb. 23, 2026, 2 a.m.

Risk
98 (high)
Total hits
7406
Total errors
1802
Observed IPs
3367
Top country
South Korea
Top city
Yuseong-gu
Top region
Ulsan

Risk

Model: v1 Computed: 2026-02-27 17:09:49
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 264
Points 6092.80
Path traversal attempts
Request paths/parameters resemble attempts to access files outside intended directories.
trav
Hits 108
Points 784.16
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 131
Points 742.72
SQL injection attempts
Input patterns resemble attempts to manipulate SQL queries via application parameters.
sqli
Hits 30
Points 558.00
Protocol anomaly
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
proto
Hits 490
Points 431.52
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 103
Points 401.50
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 130
Points 315.36
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 1312
Points 260.92
Firewall probing
Traffic behavior suggests probing of access controls and protected surfaces.
fwprobe
Hits 3
Points 40.50
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 56
Points 9.60
HTTP method anomaly
Unusual or unexpected HTTP methods observed for the target endpoints.
method
Hits 6
Points 2.88
Automated client behavior
Traffic patterns strongly suggest automation rather than a human-operated browser.
bot
Hits 2
Points 0.80

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
5604
3xx
0
4xx
1802
5xx
0
Unique URLs
0
Total hits
7406
First seen
May 16, 2023, 3 a.m.
Last seen
Feb. 23, 2026, 2 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
Request content resembles attempts to execute OS commands via an application.
hits 264 pts 6092.80
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 200 167 4760.00 May 31, 2023, 12:45 p.m. Feb. 21, 2026, 3:44 p.m.
22 44 16 822.80 May 26, 2024, 11:25 a.m. Feb. 21, 2026, 3:44 p.m.
30 20 10 510.00 Jan. 19, 2026, 1:17 a.m. Feb. 21, 2026, 3:44 p.m.
Request paths/parameters resemble attempts to access files outside intended directories.
hits 108 pts 784.16
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 38 10 276.64 March 11, 2025, 1:57 p.m. Feb. 19, 2026, 6:07 p.m.
26 38 10 256.88 March 11, 2025, 1:57 p.m. Feb. 19, 2026, 6:07 p.m.
30 31 8 241.80 March 11, 2025, 1:58 p.m. Jan. 30, 2026, 11:08 p.m.
34 1 1 8.84 Feb. 7, 2026, 12:55 a.m. Feb. 7, 2026, 12:55 a.m.
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 131 pts 742.72
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
22 90 19 435.60 Oct. 27, 2023, 4:10 a.m. July 15, 2025, 9:51 p.m.
34 38 10 284.24 March 11, 2025, 1:57 p.m. Feb. 19, 2026, 6:07 p.m.
40 2 2 17.60 Feb. 5, 2026, 2:35 a.m. Feb. 7, 2026, 12:09 p.m.
24 1 1 5.28 Feb. 8, 2026, 5:10 a.m. Feb. 8, 2026, 5:10 a.m.
Input patterns resemble attempts to manipulate SQL queries via application parameters.
hits 30 pts 558.00
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
24 18 2 432.00 May 26, 2024, 11:25 a.m. Nov. 20, 2024, 7:40 a.m.
8 9 1 72.00 Nov. 20, 2024, 7:39 a.m. Nov. 20, 2024, 7:40 a.m.
18 3 1 54.00 Nov. 20, 2024, 7:39 a.m. Nov. 20, 2024, 7:39 a.m.
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
hits 490 pts 431.52
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
11 477 19 419.76 Oct. 27, 2023, 4:10 a.m. July 15, 2025, 9:51 p.m.
12 12 8 11.52 March 11, 2025, 1:58 p.m. Jan. 30, 2026, 11:08 p.m.
3 1 1 0.24 Aug. 26, 2025, 10:03 p.m. Aug. 26, 2025, 10:03 p.m.
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 103 pts 401.50
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 52 9 286.00 Aug. 16, 2023, 10:24 p.m. Feb. 22, 2026, 7:19 p.m.
12 13 3 85.80 Aug. 16, 2023, 10:24 p.m. Jan. 11, 2025, 9:57 p.m.
8 5 5 22.00 Feb. 17, 2026, 12:50 p.m. Feb. 22, 2026, 7:19 p.m.
14 1 1 7.70 Aug. 16, 2023, 10:24 p.m. Aug. 16, 2023, 10:24 p.m.
0 32 9 0.00 Aug. 16, 2023, 10:24 p.m. Feb. 22, 2026, 7:19 p.m.
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 130 pts 315.36
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
22 24 6 95.04 Jan. 19, 2024, 9:43 p.m. May 13, 2025, 10:32 a.m.
20 14 6 50.40 Jan. 19, 2024, 9:43 p.m. May 13, 2025, 10:31 a.m.
24 9 3 38.88 Jan. 19, 2024, 9:43 p.m. March 21, 2025, 2:08 a.m.
26 7 2 32.76 Nov. 20, 2024, 7:40 a.m. March 21, 2025, 2:08 a.m.
10 12 5 21.60 Jan. 19, 2024, 9:42 p.m. March 6, 2025, 8:22 p.m.
18 6 3 19.44 Jan. 19, 2024, 9:43 p.m. March 21, 2025, 2:08 a.m.
30 3 1 16.20 Nov. 20, 2024, 7:40 a.m. Nov. 20, 2024, 7:40 a.m.
28 3 1 15.12 Nov. 20, 2024, 7:40 a.m. Nov. 20, 2024, 7:40 a.m.
16 4 2 11.52 Jan. 19, 2024, 9:43 p.m. March 21, 2025, 2:08 a.m.
14 4 2 10.08 Jan. 19, 2024, 9:43 p.m. March 21, 2025, 2:08 a.m.
12 2 1 4.32 Jan. 19, 2024, 9:43 p.m. Jan. 19, 2024, 9:43 p.m.
0 42 11 0.00 Jan. 19, 2024, 9:42 p.m. May 13, 2025, 10:32 a.m.
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 1312 pts 260.92
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 495 420 138.60 Jan. 5, 2025, 5:20 p.m. Sept. 28, 2025, 6:20 a.m.
8 567 67 90.72 July 6, 2023, 2:39 a.m. Feb. 21, 2026, 3:44 p.m.
6 230 190 27.60 May 16, 2023, 4:13 a.m. Aug. 26, 2025, 10:05 p.m.
10 20 16 4.00 Aug. 4, 2023, 5:18 a.m. Jan. 31, 2026, 11:02 p.m.
Traffic behavior suggests probing of access controls and protected surfaces.
hits 3 pts 40.50
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
30 3 2 40.50 June 2, 2023, 4:59 p.m. April 18, 2024, 7:41 a.m.
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 56 pts 9.60
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 8 5 6.72 July 2, 2025, 8:09 a.m. Feb. 18, 2026, 6:13 a.m.
12 4 4 2.88 Jan. 22, 2025, 1:50 p.m. July 9, 2025, 10:03 p.m.
0 44 17 0.00 Jan. 2, 2025, 10:39 p.m. Aug. 21, 2025, 3:48 p.m.
Unusual or unexpected HTTP methods observed for the target endpoints.
hits 6 pts 2.88
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 6 3 2.88 May 16, 2023, 4:13 a.m. June 6, 2023, 11:13 a.m.
Traffic patterns strongly suggest automation rather than a human-operated browser.
hits 2 pts 0.80
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 2 2 0.80 Feb. 11, 2026, 5:06 a.m. Feb. 21, 2026, 11:24 a.m.

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.

27.255.64.5 med
52 /100
Last seen 2024-12-09 02:00
Hits
173
Errors
160
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
59.23.34.209 med
47 /100
Last seen 2024-05-27 03:00
Hits
12
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.141.64.200 med
42 /100
Last seen 2025-03-22 02:00
Hits
177
Errors
163
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
221.159.119.6 med
42 /100
Last seen 2026-02-22 02:00
Hits
20
Errors
2
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.186.31.54 low
23 /100
Last seen 2025-07-16 03:00
Hits
182
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
220.84.21.50 low
21 /100
Last seen 2025-08-27 03:00
Hits
66
Errors
59
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
61.77.39.173 low
21 /100
Last seen 2023-10-03 03:00
Hits
5
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
218.145.61.20 low
16 /100
Last seen 2024-04-19 03:00
Hits
5
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
211.105.223.49 low
13 /100
Last seen 2025-05-14 03:00
Hits
84
Errors
82
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
221.156.244.215 low
13 /100
Last seen 2023-12-16 02:00
Hits
5
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
211.221.237.99 low
12 /100
Last seen 2024-01-20 02:00
Hits
256
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
183.108.86.173 low
9 /100
Last seen 2025-07-10 03:00
Hits
71
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
221.159.21.170 low
6 /100
Last seen 2025-03-07 02:00
Hits
90
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
61.79.41.151 low
5 /100
Last seen 2024-02-15 02:00
Hits
22
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
210.113.70.126 low
5 /100
Last seen 2025-05-12 03:00
Hits
20
Errors
19
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
59.11.214.75 low
5 /100
Last seen 2023-08-17 03:00
Hits
10
Errors
4
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
220.93.167.144 low
3 /100
Last seen 2025-03-04 02:00
Hits
45
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
61.75.60.136 low
2 /100
Last seen 2025-01-12 02:00
Hits
6
Errors
4
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.149.208.117 low
1 /100
Last seen 2024-02-07 02:00
Hits
23
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
222.96.14.76 low
1 /100
Last seen 2024-02-07 02:00
Hits
19
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
59.2.23.148 low
1 /100
Last seen 2023-11-17 02:00
Hits
8
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
210.178.97.237 low
0 /100
Last seen 2025-04-26 03:00
Hits
76
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
175.200.125.38 low
0 /100
Last seen 2025-05-12 03:00
Hits
50
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
211.220.63.61 low
0 /100
Last seen 2025-07-03 03:00
Hits
44
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
175.231.93.74 low
0 /100
Last seen 2025-04-10 03:00
Hits
27
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
175.209.245.121 low
0 /100
Last seen 2024-09-17 03:00
Hits
26
Errors
2
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
14.43.163.178 low
0 /100
Last seen 2025-02-01 02:00
Hits
25
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
59.13.106.237 low
0 /100
Last seen 2025-08-22 03:00
Hits
24
Errors
2
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.126.206.205 low
0 /100
Last seen 2024-09-17 03:00
Hits
24
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
211.216.239.73 low
0 /100
Last seen 2024-10-06 03:00
Hits
24
Errors
6
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
221.150.52.102 low
0 /100
Last seen 2024-12-04 02:00
Hits
22
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
218.153.126.204 low
0 /100
Last seen 2025-11-27 02:00
Hits
21
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.145.223.156 low
0 /100
Last seen 2025-03-25 02:00
Hits
20
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
115.21.45.188 low
0 /100
Last seen 2024-11-20 02:00
Hits
19
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
118.235.7.134 low
0 /100
Last seen 2025-07-10 03:00
Hits
17
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
211.38.165.1 low
0 /100
Last seen 2025-01-03 02:00
Hits
17
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
220.118.191.17 low
0 /100
Last seen 2026-02-23 02:00
Hits
17
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
222.106.157.118 low
0 /100
Last seen 2024-05-22 03:00
Hits
17
Errors
4
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
218.152.37.8 low
0 /100
Last seen 2026-02-23 02:00
Hits
16
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
221.158.27.55 low
0 /100
Last seen 2026-02-22 02:00
Hits
16
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
114.70.175.143 low
0 /100
Last seen 2025-04-24 03:00
Hits
15
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
218.153.207.62 low
0 /100
Last seen 2025-02-23 02:00
Hits
15
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
222.101.153.34 low
0 /100
Last seen 2025-03-29 03:00
Hits
15
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
222.101.190.226 low
0 /100
Last seen 2026-02-22 02:00
Hits
15
Errors
4
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
14.36.153.129 low
0 /100
Last seen 2026-02-21 02:00
Hits
14
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.184.22.109 low
0 /100
Last seen 2025-04-17 03:00
Hits
14
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
220.86.91.2 low
0 /100
Last seen 2026-02-15 02:00
Hits
14
Errors
3
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.150.239.111 low
0 /100
Last seen 2026-02-18 02:00
Hits
13
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
211.227.31.142 low
0 /100
Last seen 2026-01-22 02:00
Hits
13
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
220.92.55.21 low
0 /100
Last seen 2026-02-23 02:00
Hits
13
Errors
2
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
220.94.228.163 low
0 /100
Last seen 2023-07-04 03:00
Hits
13
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
222.109.31.153 low
0 /100
Last seen 2025-07-18 03:00
Hits
13
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
61.76.46.130 low
0 /100
Last seen 2024-05-24 03:00
Hits
12
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
61.85.114.124 low
0 /100
Last seen 2026-02-23 02:00
Hits
12
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
112.164.249.227 low
0 /100
Last seen 2026-02-22 02:00
Hits
12
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
218.149.164.139 low
0 /100
Last seen 2026-02-15 02:00
Hits
12
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
222.100.149.5 low
0 /100
Last seen 2024-12-13 02:00
Hits
12
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
14.41.30.143 low
0 /100
Last seen 2024-09-22 03:00
Hits
11
Errors
2
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
59.11.7.251 low
0 /100
Last seen 2026-02-16 02:00
Hits
11
Errors
2
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
59.20.229.84 low
0 /100
Last seen 2024-09-10 03:00
Hits
11
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
175.203.218.132 low
0 /100
Last seen 2026-02-14 02:00
Hits
11
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
183.108.202.216 low
0 /100
Last seen 2026-02-22 02:00
Hits
11
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
218.151.18.22 low
0 /100
Last seen 2024-06-07 03:00
Hits
11
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
218.154.186.2 low
0 /100
Last seen 2024-02-02 02:00
Hits
11
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
14.34.237.183 low
0 /100
Last seen 2026-02-20 02:00
Hits
10
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
59.6.135.38 low
0 /100
Last seen 2024-01-10 02:00
Hits
10
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.131.163.108 low
0 /100
Last seen 2026-02-18 02:00
Hits
10
Errors
2
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
183.100.18.49 low
0 /100
Last seen 2026-02-16 02:00
Hits
10
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
210.123.158.112 low
0 /100
Last seen 2026-02-17 02:00
Hits
10
Errors
4
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
220.94.228.162 low
0 /100
Last seen 2023-07-05 03:00
Hits
10
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
221.149.255.94 low
0 /100
Last seen 2026-02-19 02:00
Hits
10
Errors
3
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
221.150.160.220 low
0 /100
Last seen 2026-02-20 02:00
Hits
10
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
221.167.137.1 low
0 /100
Last seen 2024-10-13 03:00
Hits
10
Errors
0
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
112.163.38.126 low
0 /100
Last seen 2026-02-18 02:00
Hits
9
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom
121.129.17.160 low
0 /100
Last seen 2026-02-17 02:00
Hits
9
Errors
1
Country
South Korea
ASN
AS4766
AS Org
Korea Telecom