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IP Address Overview

Model: v1 Updated: Jan. 14, 2026, 9:58 a.m.
Report for 216.73.216.55 • 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
216.73.216.55
Total Hits
5196
Organization
Anthropic, PBC
ASN
AS16509 Amazon.com, Inc.
ISP
16509 Amazon.com
Region
Ohio
City
Columbus
Country
United States
Subnet
—
Risk Level
med
First Seen
May 13, 2025, 3 a.m.
Last Seen
July 27, 2025, 3 a.m.
Total Errors
613
Risk Score
67

Risk

Model: v1 Computed: Jan. 14, 2026, 9:58 a.m.
Risk score
67
Medium
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 4967 hits 0.00 pts Scan velocity scan_velocity 213 hits 0.00 pts User-Agent anomaly ua 229 hits 0.00 pts Request size anomaly request_size 31 hits 0.00 pts
All contributing signals
Automated client behavior bot 4967 hits 2483.50 pts
Traffic patterns strongly suggest automation rather than a human-operated browser.
Severity Hits Labels Weighted Top labels
10 4967 1 2483.50 n/a
Scan velocity scan_velocity 213 hits 220.32 pts
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
Severity Hits Labels Weighted Top labels
10 120 1 216.00 n/a
12 2 1 4.32 n/a
0 91 1 0.00 n/a
User-Agent anomaly ua 229 hits 27.48 pts
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
Severity Hits Labels Weighted Top labels
6 229 1 27.48 n/a
Request size anomaly request_size 31 hits 25.20 pts
Requests are unusually large or shaped in a way that suggests abuse or automation.
Severity Hits Labels Weighted Top labels
14 30 1 25.20 n/a
0 1 1 0.00 n/a
Technical summary
Computed at
Jan. 14, 2026, 9:58 a.m.
Raw total
2756.50
Total hits
5196
Errors
613

Traffic

Rollup

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

Daily activity (hits per day).
2xx
2483
3xx
1614
4xx
613
5xx
0
Unique URLs
2655
Total Hits
5196
First Seen
May 13, 2025, 3 a.m.
Last Seen
July 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 4967 pts 2483.50
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 4967 1 2483.50 May 13, 2025, 6:39 a.m. July 27, 2025, 2:02 a.m. —
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 213 pts 220.32
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
10 120 1 216.00 May 13, 2025, 6:48 a.m. July 26, 2025, 11:55 p.m. —
12 2 1 4.32 May 22, 2025, 2:48 a.m. May 22, 2025, 2:48 a.m. —
0 91 1 0.00 May 13, 2025, 6:48 a.m. July 26, 2025, 11:55 p.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 229 pts 27.48
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
6 229 1 27.48 July 18, 2025, 8 a.m. July 27, 2025, 1:56 a.m. —
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 31 pts 25.20
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 30 1 25.20 July 18, 2025, 8:07 a.m. July 26, 2025, 11:20 p.m. —
0 1 1 0.00 July 18, 2025, 8:52 a.m. July 18, 2025, 8:52 a.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

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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