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IP Address Overview

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

Report for 216.73.216.155 • 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

216.73.216.155

Total Hits

15091

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 20, 2025, 3 a.m.

Last Seen

July 21, 2025, 3 a.m.

Total Errors

2847

Risk Score

Risk

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

Risk score

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 15091 hits 0.00 pts Scan velocity scan_velocity 356 hits 0.00 pts

All contributing signals

Automated client behavior bot 15091 hits 7545.50 pts

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

Severity	Hits	Labels	Weighted	Top labels
10	15091	1	7545.50	n/a

Scan velocity scan_velocity 356 hits 380.16 pts

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

Severity	Hits	Labels	Weighted	Top labels
10	206	1	370.80	n/a
14	2	1	5.04	n/a
12	2	1	4.32	n/a
0	146	1	0.00	n/a

Technical summary

Computed at

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

Raw total

7925.66

Total hits

15091

Errors

2847

Traffic

Rollup

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

Daily activity (hits per day).

2xx

6614

3xx

5630

4xx

2847

5xx

Unique URLs

12124

Total Hits

15091

First Seen

May 20, 2025, 3 a.m.

Last Seen

July 21, 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 15091 pts 7545.50

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	15091	1	7545.50	May 20, 2025, 4:07 p.m.	July 20, 2025, 8:08 p.m.	—

Scan velocity scan_velocity

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

hits 356 pts 380.16

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	206	1	370.80	May 21, 2025, 12:24 a.m.	July 20, 2025, 7:51 p.m.	—
14	2	1	5.04	July 20, 2025, 10:55 a.m.	July 20, 2025, 10:55 a.m.	—
12	2	1	4.32	July 20, 2025, 10:55 a.m.	July 20, 2025, 10:55 a.m.	—
0	146	1	0.00	May 21, 2025, 12:24 a.m.	July 20, 2025, 7:51 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

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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