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IP Address Overview

Model: v1 Updated: Jan. 14, 2026, 9:58 a.m.
Report for 216.73.216.75 • United States • Anthropic, PBC

High-level context about this IP: ownership, geography, and traffic profile.

Traffic ready Risk ready Report ready Model v1
IP Address
216.73.216.75
Total Hits
9330
Organization
Anthropic, PBC
ASN
AS16509 Amazon.com, Inc.
ISP
16509 Amazon.com
Region
Ohio
City
Columbus
Country
United States
Subnet
—
Risk Level
high
First Seen
May 13, 2025, 3 a.m.
Last Seen
July 24, 2025, 3 a.m.
Total Errors
1623
Risk Score
86

Risk

Model: v1 Computed: Jan. 14, 2026, 9:58 a.m.
Risk score
86
High
Risk gradient
Contributor codes are normalized (e.g. sqli, cmdi, trav, sfp). Totals and breakdowns are derived from rollups and explainability tables only.
Top contributing annotators
Automated client behavior bot 8494 hits 0.00 pts Scan velocity scan_velocity 359 hits 0.00 pts User-Agent anomaly ua 836 hits 0.00 pts Request size anomaly request_size 122 hits 0.00 pts
All contributing signals
Automated client behavior bot 8494 hits 4247.00 pts
Traffic patterns strongly suggest automation rather than a human-operated browser.
Severity Hits Labels Weighted Top labels
10 8494 1 4247.00 n/a
Scan velocity scan_velocity 359 hits 402.84 pts
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
Severity Hits Labels Weighted Top labels
10 169 1 304.20 n/a
32 2 1 11.52 n/a
12 5 1 10.80 n/a
30 2 1 10.80 n/a
14 4 1 10.08 n/a
28 2 1 10.08 n/a
26 2 1 9.36 n/a
24 2 1 8.64 n/a
22 2 1 7.92 n/a
20 2 1 7.20 n/a
18 2 1 6.48 n/a
16 2 1 5.76 n/a
0 163 1 0.00 n/a
User-Agent anomaly ua 836 hits 100.32 pts
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
Severity Hits Labels Weighted Top labels
6 836 1 100.32 n/a
Request size anomaly request_size 122 hits 94.08 pts
Requests are unusually large or shaped in a way that suggests abuse or automation.
Severity Hits Labels Weighted Top labels
14 112 1 94.08 n/a
0 10 1 0.00 n/a
Technical summary
Computed at
Jan. 14, 2026, 9:58 a.m.
Raw total
4844.24
Total hits
9330
Errors
1623

Traffic

Rollup

Daily activity (hits per day) plus HTTP response mix and basic counters from the traffic rollup.

Daily activity (hits per day).
2xx
3876
3xx
2095
4xx
1623
5xx
0
Unique URLs
4006
Total Hits
9330
First Seen
May 13, 2025, 3 a.m.
Last Seen
July 24, 2025, 3 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
Automated client behavior bot
Traffic patterns strongly suggest automation rather than a human-operated browser.
hits 8494 pts 4247.00
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration. Hover labels for quick scans; expand for the full table.
Severity Total Labels Weighted First seen Last seen Top labels
10 8494 1 4247.00 May 13, 2025, 4:45 a.m. July 23, 2025, 10:26 p.m. —
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 359 pts 402.84
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration. Hover labels for quick scans; expand for the full table.
Severity Total Labels Weighted First seen Last seen Top labels
10 169 1 304.20 May 13, 2025, 10:18 a.m. July 23, 2025, 10:26 p.m. —
32 2 1 11.52 May 22, 2025, 5:05 p.m. May 22, 2025, 5:05 p.m. —
12 5 1 10.80 May 22, 2025, 5:04 p.m. July 23, 2025, 8:23 p.m. —
30 2 1 10.80 May 22, 2025, 5:04 p.m. May 22, 2025, 5:04 p.m. —
14 4 1 10.08 May 22, 2025, 5:04 p.m. July 23, 2025, 8:23 p.m. —
28 2 1 10.08 May 22, 2025, 5:04 p.m. May 22, 2025, 5:04 p.m. —
26 2 1 9.36 May 22, 2025, 5:04 p.m. May 22, 2025, 5:04 p.m. —
24 2 1 8.64 May 22, 2025, 5:04 p.m. May 22, 2025, 5:04 p.m. —
22 2 1 7.92 May 22, 2025, 5:04 p.m. May 22, 2025, 5:04 p.m. —
20 2 1 7.20 May 22, 2025, 5:04 p.m. May 22, 2025, 5:04 p.m. —
18 2 1 6.48 May 22, 2025, 5:04 p.m. May 22, 2025, 5:04 p.m. —
16 2 1 5.76 May 22, 2025, 5:04 p.m. May 22, 2025, 5:04 p.m. —
0 163 1 0.00 May 13, 2025, 10:18 a.m. July 23, 2025, 10:26 p.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 836 pts 100.32
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration. Hover labels for quick scans; expand for the full table.
Severity Total Labels Weighted First seen Last seen Top labels
6 836 1 100.32 June 22, 2025, 7:50 a.m. July 23, 2025, 10:26 p.m. —
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 122 pts 94.08
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration. Hover labels for quick scans; expand for the full table.
Severity Total Labels Weighted First seen Last seen Top labels
14 112 1 94.08 June 22, 2025, 8:02 a.m. July 23, 2025, 10:26 p.m. —
0 10 1 0.00 June 22, 2025, 8:26 a.m. July 23, 2025, 9:48 p.m. —

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 IP.

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Subnet footprint

Loading subnet peers…
Next step

Explore the annotated logs

Open the Log Explorer to review individual access events, annotator decisions, labels, and supporting details (UA / referer / rule ids) in a paginated, filterable view.

Open Log Explorer → Last 7 Days