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ASN REPORT — AS17638 · ASN for TIANJIN Provincial Net of CT

First sighted: April 30, 2023, 3 a.m. · Last sighted: Jan. 11, 2026, 1:59 a.m.

Risk
1 (low)
Total hits
427
Total errors
215
Observed IPs
166
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:55:27
Risk score
1
Low
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Path traversal attempts
Request paths/parameters resemble attempts to access files outside intended directories.
trav
Hits 2
Points 12.78
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 10
Points 6.75
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 1
Points 6.43
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 61
Points 5.65
Protocol anomaly
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
proto
Hits 2
Points 1.23

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
98
3xx
48
4xx
211
5xx
4
Unique URLs
230
Total hits
427
First seen
April 30, 2023, 3 a.m.
Last seen
Jan. 11, 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
Path traversal attempts trav
Request paths/parameters resemble attempts to access files outside intended directories.
hits 2 pts 12.78
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
28 1 1 6.70 April 10, 2025, 8:37 p.m. April 10, 2025, 8:37 p.m.
trav 1
26 1 1 6.08 April 10, 2025, 8:37 p.m. April 10, 2025, 8:37 p.m.
trav 1
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 10 pts 6.75
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 5 1 6.75 Oct. 10, 2025, 8:02 a.m. Oct. 10, 2025, 8:03 a.m.
scan_velocity 5
0 5 1 0.00 Oct. 10, 2025, 8:02 a.m. Oct. 10, 2025, 8:03 a.m.
scan_velocity 5
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 1 pts 6.43
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
34 1 1 6.43 April 10, 2025, 8:37 p.m. April 10, 2025, 8:37 p.m.
sensitive_file 1
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 61 pts 5.65
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 33 1 2.38 May 6, 2023, 8:52 a.m. Oct. 12, 2025, 3:04 p.m.
ua 33
8 19 1 1.98 Aug. 31, 2023, 1 a.m. Dec. 17, 2025, 9:24 a.m.
ua 19
10 9 1 1.30 Dec. 1, 2024, 8:23 a.m. Oct. 11, 2025, 4:16 a.m.
ua 9
Protocol anomaly proto
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
hits 2 pts 1.23
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
11 2 1 1.23 Dec. 1, 2024, 8:23 a.m. Dec. 1, 2024, 8:23 a.m.
proto 2

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.