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IP Address Overview

Model: v1 Updated: Jan. 14, 2026, 9:58 a.m.
Report for 216.73.216.91 • 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
216.73.216.91
Total Hits
6672
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
June 27, 2025, 3 a.m.
Total Errors
941
Risk Score
75

Risk

Model: v1 Computed: Jan. 14, 2026, 9:58 a.m.
Risk score
75
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 6336 hits 0.00 pts Scan velocity scan_velocity 234 hits 0.00 pts User-Agent anomaly ua 336 hits 0.00 pts Request size anomaly request_size 20 hits 0.00 pts
All contributing signals
Automated client behavior bot 6336 hits 3168.00 pts
Traffic patterns strongly suggest automation rather than a human-operated browser.
Severity Hits Labels Weighted Top labels
10 6336 1 3168.00 n/a
Scan velocity scan_velocity 234 hits 227.52 pts
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
Severity Hits Labels Weighted Top labels
10 124 1 223.20 n/a
12 2 1 4.32 n/a
0 108 1 0.00 n/a
User-Agent anomaly ua 336 hits 40.32 pts
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
Severity Hits Labels Weighted Top labels
6 336 1 40.32 n/a
Request size anomaly request_size 20 hits 15.12 pts
Requests are unusually large or shaped in a way that suggests abuse or automation.
Severity Hits Labels Weighted Top labels
14 18 1 15.12 n/a
0 2 1 0.00 n/a
Technical summary
Computed at
Jan. 14, 2026, 9:58 a.m.
Raw total
3450.96
Total hits
6672
Errors
941

Traffic

Rollup

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

Daily activity (hits per day).
2xx
2987
3xx
2054
4xx
941
5xx
0
Unique URLs
3358
Total Hits
6672
First Seen
May 13, 2025, 3 a.m.
Last Seen
June 27, 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 6336 pts 3168.00
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 6336 1 3168.00 May 13, 2025, 8:36 a.m. June 26, 2025, 1:21 p.m. —
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 234 pts 227.52
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
10 124 1 223.20 May 16, 2025, 5:43 a.m. June 26, 2025, 1:21 p.m. —
12 2 1 4.32 May 17, 2025, 2:02 p.m. May 17, 2025, 2:02 p.m. —
0 108 1 0.00 May 16, 2025, 5:43 a.m. June 26, 2025, 1:21 p.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 336 pts 40.32
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
6 336 1 40.32 June 26, 2025, 5:46 a.m. June 26, 2025, 1:21 p.m. —
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 20 pts 15.12
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 18 1 15.12 June 26, 2025, 6:08 a.m. June 26, 2025, 12:23 p.m. —
0 2 1 0.00 June 26, 2025, 11:14 a.m. June 26, 2025, 1:10 p.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 IP.

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Subnet footprint

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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