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ASN REPORT — AS53813 · ZSCALER, INC.

First sighted: Dec. 16, 2023, 2 a.m. · Last sighted: Feb. 27, 2026, 2 a.m.

Risk
4 (Low)
Total hits
853
Total errors
109
Observed IPs
48
Top country
Singapore
Top city
Whampoa
Top region
Victoria

Risk

Model: v1 Computed: March 3, 2026, 7:54 p.m.
ASN risk score
4
Low
Risk gradient
Contributor codes are normalized (e.g. sqli, cmdi, trav, sfp). Totals and breakdowns are derived from ASN rollups and explainability tables only.
Annotator influence radar
Rendering annotator influence profile…
Normalized contribution (0..1) per annotator versus robust per-code envelope.
All contributing signals
No annotator totals available.
Technical summary
Computed at
March 3, 2026, 7:54 p.m.
Raw total
89.28
Total hits
853
Errors
109

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
744
3xx
0
4xx
109
5xx
0
Unique URLs
0
Total hits
853
First seen
Dec. 16, 2023, 2 a.m.
Last seen
Feb. 27, 2026, 2 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 ASN

Derived from report_ipaddress rows mapped to this ASN. 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.

147.161.217.93 low
Open report
3 /100
Last seen 2025-03-27 02:00
Hits
163
Errors
75
Country
New Zealand
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.218.245 low
Open report
0 /100
Last seen 2025-08-28 03:00
Hits
70
Errors
1
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.218.176 low
Open report
0 /100
Last seen 2025-03-27 02:00
Hits
45
Errors
0
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.234.196 low
Open report
0 /100
Last seen 2024-11-08 02:00
Hits
44
Errors
0
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
165.225.233.33 low
Open report
0 /100
Last seen 2024-11-13 02:00
Hits
43
Errors
18
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.238.122 low
Open report
0 /100
Last seen 2025-05-16 03:00
Hits
30
Errors
1
Country
Japan
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.252.252 low
Open report
0 /100
Last seen 2025-03-26 02:00
Hits
29
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
165.225.97.33 low
Open report
0 /100
Last seen 2025-04-15 03:00
Hits
29
Errors
0
Country
Japan
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.63.98 low
Open report
0 /100
Last seen 2025-08-02 03:00
Hits
26
Errors
0
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.88.100 low
Open report
0 /100
Last seen 2025-03-27 02:00
Hits
25
Errors
3
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.20.83 low
Open report
0 /100
Last seen 2025-03-18 02:00
Hits
24
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.237.105 low
Open report
0 /100
Last seen 2025-03-07 02:00
Hits
21
Errors
0
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.234.119 low
Open report
0 /100
Last seen 2024-02-24 02:00
Hits
19
Errors
3
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.242.245 low
Open report
0 /100
Last seen 2025-02-18 02:00
Hits
18
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.212.80 low
Open report
0 /100
Last seen 2024-02-23 02:00
Hits
18
Errors
2
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.237.83 low
Open report
0 /100
Last seen 2025-03-27 02:00
Hits
17
Errors
2
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.234.84 low
Open report
0 /100
Last seen 2025-01-07 02:00
Hits
15
Errors
0
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.234.171 low
Open report
0 /100
Last seen 2024-11-13 02:00
Hits
15
Errors
0
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.2.173 low
Open report
0 /100
Last seen 2025-07-17 03:00
Hits
15
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.230.184 low
Open report
0 /100
Last seen 2025-04-11 03:00
Hits
14
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.215.27 low
Open report
0 /100
Last seen 2024-11-13 02:00
Hits
14
Errors
0
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.7.0 low
Open report
0 /100
Last seen 2024-11-05 02:00
Hits
13
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.7.28 low
Open report
0 /100
Last seen 2024-10-15 03:00
Hits
13
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.229.35 low
Open report
0 /100
Last seen 2024-05-03 03:00
Hits
12
Errors
1
Country
Hong Kong
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.235.7 low
Open report
0 /100
Last seen 2024-12-17 02:00
Hits
12
Errors
0
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.239.83 low
Open report
0 /100
Last seen 2025-07-31 03:00
Hits
12
Errors
0
Country
Japan
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.232.196 low
Open report
0 /100
Last seen 2025-03-28 03:00
Hits
11
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.252.126 low
Open report
0 /100
Last seen 2024-02-08 02:00
Hits
11
Errors
1
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
165.225.96.177 low
Open report
0 /100
Last seen 2024-12-05 02:00
Hits
11
Errors
0
Country
Japan
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.218.82 low
Open report
0 /100
Last seen 2024-09-06 03:00
Hits
10
Errors
0
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.218.201 low
Open report
0 /100
Last seen 2025-03-27 02:00
Hits
10
Errors
0
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.44.90 low
Open report
0 /100
Last seen 2024-04-16 03:00
Hits
10
Errors
0
Country
Japan
ASN
AS53813
AS Org
ZSCALER, INC.
165.225.110.173 low
Open report
0 /100
Last seen 2025-07-31 03:00
Hits
8
Errors
0
Country
Japan
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.255.78 low
Open report
0 /100
Last seen 2026-02-27 02:00
Hits
7
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.218.179 low
Open report
0 /100
Last seen 2025-03-27 02:00
Hits
3
Errors
0
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.253.72 low
Open report
0 /100
Last seen 2026-01-23 02:00
Hits
2
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.199.99 low
Open report
0 /100
Last seen 2025-07-31 03:00
Hits
2
Errors
0
Country
Japan
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.135.51 low
Open report
0 /100
Last seen 2026-01-21 02:00
Hits
2
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
136.226.231.105 low
Open report
0 /100
Last seen 2026-01-23 02:00
Hits
1
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
147.161.214.123 low
Open report
0 /100
Last seen 2023-12-17 02:00
Hits
1
Errors
0
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
165.225.114.72 low
Open report
0 /100
Last seen 2024-05-18 03:00
Hits
1
Errors
0
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
165.225.231.91 low
Open report
0 /100
Last seen 2024-10-29 02:00
Hits
1
Errors
0
Country
Singapore
ASN
AS53813
AS Org
ZSCALER, INC.
165.225.233.16 low
Open report
0 /100
Last seen 2024-11-14 02:00
Hits
1
Errors
1
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
165.225.233.27 low
Open report
0 /100
Last seen 2024-11-14 02:00
Hits
1
Errors
0
Country
Australia
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.43.18 low
Open report
0 /100
Last seen 2025-07-31 03:00
Hits
1
Errors
0
Country
Japan
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.88.98 low
Open report
0 /100
Last seen 2025-10-01 03:00
Hits
1
Errors
1
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.120.170 low
Open report
0 /100
Last seen 2026-02-05 02:00
Hits
1
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.
167.103.120.188 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
1
Errors
0
Country
India
ASN
AS53813
AS Org
ZSCALER, INC.