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ASN REPORT — AS36321 · Castle Global Inc.

First sighted: July 11, 2023, 3 a.m. · Last sighted: July 25, 2025, 2:59 a.m.

Risk
11 (low)
Total hits
9942
Total errors
3707
Observed IPs
892
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:55:14
Risk score
11
Low
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 2649
Points 190.84
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 44
Points 72.05
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 38
Points 29.07
Automated client behavior
Traffic patterns strongly suggest automation rather than a human-operated browser.
bot
Hits 1
Points 0.48

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
771
3xx
140
4xx
3631
5xx
76
Unique URLs
957
Total hits
9942
First seen
July 11, 2023, 3 a.m.
Last seen
July 25, 2025, 2:59 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
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 2649 pts 190.84
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 2648 1 190.66 Aug. 28, 2023, 11:44 a.m. April 19, 2025, 9:19 a.m.
ua 2648
12 1 1 0.19 Nov. 17, 2023, 3:24 a.m. Nov. 17, 2023, 3:24 a.m.
ua 1
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 44 pts 72.05
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 13 1 50.05 Oct. 25, 2023, 5:08 p.m. March 11, 2025, 8:03 p.m.
cred 13
6 8 1 15.84 Dec. 5, 2023, 1:44 p.m. Jan. 26, 2025, 2:06 a.m.
cred 8
8 2 1 6.16 Oct. 25, 2023, 5:08 p.m. March 11, 2025, 8:03 p.m.
cred 2
0 21 1 0.00 Oct. 25, 2023, 5:08 p.m. March 11, 2025, 8:03 p.m.
cred 21
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 38 pts 29.07
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 19 1 29.07 Oct. 31, 2023, 2:39 a.m. Jan. 26, 2025, 2:06 a.m.
scan_velocity 19
0 19 1 0.00 Oct. 31, 2023, 2:39 a.m. Jan. 26, 2025, 2:06 a.m.
scan_velocity 19
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 Nov. 17, 2023, 3:24 a.m. Nov. 17, 2023, 3:24 a.m.
bot 1

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.