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IP Address Overview

Model: v1 Updated: Jan. 14, 2026, 9:58 a.m.
Report for 216.73.216.1 • 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
216.73.216.1
Total Hits
12005
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
Sept. 17, 2025, 3 a.m.
Total Errors
3665
Risk Score
91

Risk

Model: v1 Computed: Jan. 14, 2026, 9:58 a.m.
Risk score
91
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 11762 hits 0.00 pts Scan velocity scan_velocity 183 hits 0.00 pts Request size anomaly request_size 54 hits 0.00 pts User-Agent anomaly ua 243 hits 0.00 pts
All contributing signals
Automated client behavior bot 11762 hits 5881.00 pts
Traffic patterns strongly suggest automation rather than a human-operated browser.
Severity Hits Labels Weighted Top labels
10 11762 1 5881.00 n/a
Scan velocity scan_velocity 183 hits 185.76 pts
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
Severity Hits Labels Weighted Top labels
10 98 1 176.40 n/a
14 2 1 5.04 n/a
12 2 1 4.32 n/a
0 81 1 0.00 n/a
Request size anomaly request_size 54 hits 30.24 pts
Requests are unusually large or shaped in a way that suggests abuse or automation.
Severity Hits Labels Weighted Top labels
14 36 1 30.24 n/a
0 18 1 0.00 n/a
User-Agent anomaly ua 243 hits 29.16 pts
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
Severity Hits Labels Weighted Top labels
6 243 1 29.16 n/a
Technical summary
Computed at
Jan. 14, 2026, 9:58 a.m.
Raw total
6126.16
Total hits
12005
Errors
3665

Traffic

Rollup

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

Daily activity (hits per day).
2xx
4068
3xx
3744
4xx
3663
5xx
2
Unique URLs
8474
Total Hits
12005
First Seen
May 13, 2025, 3 a.m.
Last Seen
Sept. 17, 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 11762 pts 5881.00
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 11762 1 5881.00 May 13, 2025, 3:45 p.m. Sept. 16, 2025, 6:40 a.m. —
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 183 pts 185.76
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 98 1 176.40 May 15, 2025, 6:50 p.m. Sept. 12, 2025, 3:55 p.m. —
14 2 1 5.04 Sept. 10, 2025, 7:30 a.m. Sept. 10, 2025, 7:30 a.m. —
12 2 1 4.32 Sept. 10, 2025, 7:30 a.m. Sept. 10, 2025, 7:30 a.m. —
0 81 1 0.00 May 15, 2025, 6:50 p.m. Sept. 12, 2025, 3:55 p.m. —
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 54 pts 30.24
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 36 1 30.24 Aug. 10, 2025, 10:35 a.m. Aug. 10, 2025, 1:34 p.m. —
0 18 1 0.00 Aug. 10, 2025, 10:35 a.m. Aug. 10, 2025, 1:35 p.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 243 pts 29.16
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
6 243 1 29.16 Aug. 10, 2025, 9:47 a.m. Aug. 10, 2025, 1:39 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