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IP Address Overview

Model: v1 Updated: Jan. 14, 2026, 9:58 a.m.

Report for 216.73.216.28 • 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

216.73.216.28

Total Hits

3220

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 12, 2025, 3 a.m.

Last Seen

June 1, 2025, 3 a.m.

Total Errors

132

Risk Score

Risk

Model: v1 Computed: Jan. 14, 2026, 9:58 a.m.

Risk score

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 3220 hits 0.00 pts Scan velocity scan_velocity 107 hits 0.00 pts

All contributing signals

Automated client behavior bot 3220 hits 1610.00 pts

Traffic patterns strongly suggest automation rather than a human-operated browser.

Severity	Hits	Labels	Weighted	Top labels
10	3220	1	1610.00	n/a

Scan velocity scan_velocity 107 hits 108.00 pts

High request rate and broad endpoint coverage suggest scanning or automated enumeration.

Severity	Hits	Labels	Weighted	Top labels
10	60	1	108.00	n/a
0	47	1	0.00	n/a

Technical summary

Computed at

Jan. 14, 2026, 9:58 a.m.

Raw total

1718.00

Total hits

3220

Errors

132

Traffic

Rollup

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

Daily activity (hits per day).

2xx

1770

3xx

1318

4xx

132

5xx

Unique URLs

1876

Total Hits

3220

First Seen

May 12, 2025, 3 a.m.

Last Seen

June 1, 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 3220 pts 1610.00

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	3220	1	1610.00	May 13, 2025, 2:24 a.m.	May 31, 2025, 9:18 a.m.	—

Scan velocity scan_velocity

High request rate and broad endpoint coverage suggest scanning or automated enumeration.

hits 107 pts 108.00

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	60	1	108.00	May 17, 2025, 10:54 p.m.	May 31, 2025, 9:16 a.m.	—
0	47	1	0.00	May 17, 2025, 10:54 p.m.	May 31, 2025, 9:16 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