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ASN REPORT — AS209366 · SEMrush CY LTD

First sighted: April 30, 2023, 3 a.m. · Last sighted: March 2, 2026, 2 a.m.

Risk
100 (high)
Total hits
2811534
Total errors
109997
Observed IPs
51
Top country
United States
Top city
Washington
Top region
Virginia

Risk

Model: v1 Computed: 2026-03-03 19:54:56
Risk score
100
High
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Automated client behavior
Traffic patterns strongly suggest automation rather than a human-operated browser.
bot
Hits 2773790
Points 1386895.00
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 127
Points 984.28
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 134
Points 436.70
Firewall probing
Traffic behavior suggests probing of access controls and protected surfaces.
fwprobe
Hits 12
Points 149.40
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 759
Points 91.08
Path traversal attempts
Request paths/parameters resemble attempts to access files outside intended directories.
trav
Hits 10
Points 88.40
Command injection attempts
Request content resembles attempts to execute OS commands via an application.
cmdi
Hits 2
Points 44.20

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
2701537
3xx
0
4xx
109997
5xx
0
Unique URLs
0
Total hits
2811534
First seen
April 30, 2023, 3 a.m.
Last seen
March 2, 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
Traffic patterns strongly suggest automation rather than a human-operated browser.
hits 2773790 pts 1386895.00
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 2773790 20693 1386895.00 April 30, 2023, 5:53 a.m. March 1, 2026, 11:59 p.m.
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 127 pts 984.28
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 84 58 739.20 Jan. 20, 2026, 11:10 a.m. Jan. 29, 2026, 7:35 a.m.
24 29 23 153.12 Jan. 20, 2026, 7:55 a.m. Jan. 23, 2026, 7:40 p.m.
36 7 6 55.44 Jan. 20, 2026, 9:42 a.m. Jan. 26, 2026, 3:42 p.m.
16 3 3 10.56 Jan. 20, 2026, 3:29 p.m. Jan. 24, 2026, 2:47 a.m.
22 2 2 9.68 Jan. 23, 2026, 11:09 a.m. Jan. 23, 2026, 8:53 p.m.
44 1 1 9.68 Jan. 23, 2026, 1:29 p.m. Jan. 23, 2026, 1:29 p.m.
30 1 1 6.60 Jan. 23, 2026, 4:34 p.m. Jan. 23, 2026, 4:34 p.m.
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 134 pts 436.70
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 49 45 269.50 Sept. 13, 2023, 1:56 a.m. Feb. 20, 2026, 12:39 a.m.
8 32 29 140.80 Sept. 13, 2023, 1:56 a.m. Feb. 20, 2026, 12:39 a.m.
12 4 4 26.40 Jan. 20, 2026, 12:21 p.m. Jan. 23, 2026, 6:06 p.m.
0 49 45 0.00 Sept. 13, 2023, 1:56 a.m. Feb. 20, 2026, 12:39 a.m.
Traffic behavior suggests probing of access controls and protected surfaces.
hits 12 pts 149.40
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 8 8 100.80 Jan. 23, 2026, 12:33 p.m. Jan. 26, 2026, 11:46 a.m.
30 2 2 27.00 Jan. 23, 2026, 4:37 p.m. Jan. 23, 2026, 4:45 p.m.
26 1 1 11.70 Jan. 23, 2026, 6:45 p.m. Jan. 23, 2026, 6:45 p.m.
22 1 1 9.90 Jan. 23, 2026, 5:27 p.m. Jan. 23, 2026, 5:27 p.m.
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 759 pts 91.08
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 759 482 91.08 April 30, 2023, 1:01 p.m. Dec. 31, 2025, 2:30 p.m.
Request paths/parameters resemble attempts to access files outside intended directories.
hits 10 pts 88.40
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
34 10 10 88.40 Jan. 20, 2026, 9:45 a.m. Jan. 26, 2026, 11:01 a.m.
Request content resembles attempts to execute OS commands via an application.
hits 2 pts 44.20
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
30 1 1 25.50 Jan. 23, 2026, 1:48 p.m. Jan. 23, 2026, 1:48 p.m.
22 1 1 18.70 April 14, 2025, 8:54 a.m. April 14, 2025, 8:54 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.

185.191.171.14 high
100 /100
Last seen 2026-03-02 02:00
Hits
96221
Errors
3329
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.210 high
100 /100
Last seen 2026-03-02 02:00
Hits
94949
Errors
4010
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.206 high
100 /100
Last seen 2026-03-02 02:00
Hits
93725
Errors
4028
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.11 high
100 /100
Last seen 2026-03-02 02:00
Hits
91769
Errors
3025
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.16 high
100 /100
Last seen 2026-03-02 02:00
Hits
91173
Errors
3090
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.13 high
100 /100
Last seen 2026-03-02 02:00
Hits
90350
Errors
3022
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.12 high
100 /100
Last seen 2026-03-02 02:00
Hits
89503
Errors
3083
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.15 high
100 /100
Last seen 2026-03-02 02:00
Hits
87302
Errors
2770
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.200 high
100 /100
Last seen 2026-03-02 02:00
Hits
79075
Errors
3343
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.208 high
100 /100
Last seen 2026-03-02 02:00
Hits
70739
Errors
3037
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.209 high
100 /100
Last seen 2026-03-02 02:00
Hits
70489
Errors
3193
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.207 high
100 /100
Last seen 2026-03-02 02:00
Hits
70209
Errors
2952
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.7 high
100 /100
Last seen 2026-03-02 02:00
Hits
69984
Errors
2297
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.199 high
100 /100
Last seen 2026-03-02 02:00
Hits
69908
Errors
2936
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.198 high
100 /100
Last seen 2026-03-02 02:00
Hits
69767
Errors
3243
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.9 high
100 /100
Last seen 2026-03-02 02:00
Hits
69562
Errors
2396
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.202 high
100 /100
Last seen 2026-03-02 02:00
Hits
69253
Errors
3043
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.8 high
100 /100
Last seen 2026-03-02 02:00
Hits
69238
Errors
2273
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.10 high
100 /100
Last seen 2026-03-02 02:00
Hits
69166
Errors
2360
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.193 high
100 /100
Last seen 2026-03-02 02:00
Hits
68990
Errors
3295
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.6 high
100 /100
Last seen 2026-03-02 02:00
Hits
68971
Errors
2386
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.195 high
100 /100
Last seen 2026-03-02 02:00
Hits
68603
Errors
3191
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.196 high
100 /100
Last seen 2026-03-02 02:00
Hits
67570
Errors
3004
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.197 high
100 /100
Last seen 2026-03-02 02:00
Hits
67503
Errors
3096
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.3 high
100 /100
Last seen 2026-03-02 02:00
Hits
66190
Errors
2300
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.2 high
100 /100
Last seen 2026-03-02 02:00
Hits
65956
Errors
2203
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.5 high
100 /100
Last seen 2026-03-02 02:00
Hits
65623
Errors
2353
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.1 high
100 /100
Last seen 2026-03-02 02:00
Hits
65596
Errors
2281
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.4 high
100 /100
Last seen 2026-03-02 02:00
Hits
64968
Errors
2162
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.211 high
100 /100
Last seen 2026-03-02 02:00
Hits
64226
Errors
2897
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.19 high
100 /100
Last seen 2026-03-02 02:00
Hits
64201
Errors
2247
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.201 high
100 /100
Last seen 2026-03-02 02:00
Hits
64149
Errors
3017
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.194 high
100 /100
Last seen 2026-03-02 02:00
Hits
63843
Errors
2790
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.17 high
100 /100
Last seen 2026-03-02 02:00
Hits
63396
Errors
2181
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.205 high
100 /100
Last seen 2026-03-02 02:00
Hits
63271
Errors
2796
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.212 high
100 /100
Last seen 2026-03-02 02:00
Hits
62982
Errors
2877
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.18 high
100 /100
Last seen 2026-03-02 02:00
Hits
61609
Errors
2143
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.204 high
100 /100
Last seen 2026-03-02 02:00
Hits
60863
Errors
2667
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
85.208.96.203 high
100 /100
Last seen 2026-03-02 02:00
Hits
60477
Errors
2643
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.26 low
2 /100
Last seen 2023-08-03 03:00
Hits
19
Errors
9
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.25 low
1 /100
Last seen 2023-08-01 03:00
Hits
11
Errors
5
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.22 low
1 /100
Last seen 2023-08-02 03:00
Hits
10
Errors
2
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.23 low
1 /100
Last seen 2023-08-01 03:00
Hits
10
Errors
4
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.24 low
1 /100
Last seen 2023-08-04 03:00
Hits
10
Errors
4
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.35 low
1 /100
Last seen 2023-08-01 03:00
Hits
9
Errors
5
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.20 low
1 /100
Last seen 2023-07-28 03:00
Hits
7
Errors
1
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.170.167.18 low
0 /100
Last seen 2026-02-25 02:00
Hits
75
Errors
0
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.21 low
0 /100
Last seen 2023-08-02 03:00
Hits
7
Errors
5
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.33 low
0 /100
Last seen 2023-07-31 03:00
Hits
5
Errors
3
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.34 low
0 /100
Last seen 2023-07-26 03:00
Hits
1
Errors
0
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD
185.191.171.40 low
0 /100
Last seen 2023-06-20 03:00
Hits
1
Errors
0
Country
United States
ASN
AS209366
AS Org
SEMrush CY LTD