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IP Address Overview

Model: v1 Updated: Jan. 14, 2026, 9:58 a.m.
Report for 216.73.216.37 • 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
216.73.216.37
Total Hits
11584
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 15, 2025, 3 a.m.
Last Seen
Aug. 22, 2025, 3 a.m.
Total Errors
952
Risk Score
92

Risk

Model: v1 Computed: Jan. 14, 2026, 9:58 a.m.
Risk score
92
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 11458 hits 0.00 pts Scan velocity scan_velocity 594 hits 0.00 pts User-Agent anomaly ua 126 hits 0.00 pts Request size anomaly request_size 20 hits 0.00 pts
All contributing signals
Automated client behavior bot 11458 hits 5729.00 pts
Traffic patterns strongly suggest automation rather than a human-operated browser.
Severity Hits Labels Weighted Top labels
10 11458 1 5729.00 n/a
Scan velocity scan_velocity 594 hits 675.72 pts
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
Severity Hits Labels Weighted Top labels
10 309 1 556.20 n/a
12 20 1 43.20 n/a
14 12 1 30.24 n/a
18 6 1 19.44 n/a
16 4 1 11.52 n/a
22 2 1 7.92 n/a
20 2 1 7.20 n/a
0 239 1 0.00 n/a
User-Agent anomaly ua 126 hits 15.12 pts
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
Severity Hits Labels Weighted Top labels
6 126 1 15.12 n/a
Request size anomaly request_size 20 hits 8.40 pts
Requests are unusually large or shaped in a way that suggests abuse or automation.
Severity Hits Labels Weighted Top labels
14 10 1 8.40 n/a
0 10 1 0.00 n/a
Technical summary
Computed at
Jan. 14, 2026, 9:58 a.m.
Raw total
6428.24
Total hits
11584
Errors
952

Traffic

Rollup

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

Daily activity (hits per day).
2xx
5797
3xx
4572
4xx
939
5xx
13
Unique URLs
7610
Total Hits
11584
First Seen
May 15, 2025, 3 a.m.
Last Seen
Aug. 22, 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 11458 pts 5729.00
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 11458 1 5729.00 May 15, 2025, 12:36 p.m. Aug. 21, 2025, 7:47 p.m. —
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 594 pts 675.72
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
10 309 1 556.20 May 19, 2025, 1:12 a.m. Aug. 21, 2025, 7:42 p.m. —
12 20 1 43.20 May 19, 2025, 7:03 a.m. May 29, 2025, 9:51 p.m. —
14 12 1 30.24 May 29, 2025, 9:30 p.m. May 29, 2025, 9:51 p.m. —
18 6 1 19.44 May 29, 2025, 9:30 p.m. May 29, 2025, 9:34 p.m. —
16 4 1 11.52 May 29, 2025, 9:30 p.m. May 29, 2025, 9:33 p.m. —
22 2 1 7.92 May 29, 2025, 9:33 p.m. May 29, 2025, 9:33 p.m. —
20 2 1 7.20 May 29, 2025, 9:33 p.m. May 29, 2025, 9:33 p.m. —
0 239 1 0.00 May 19, 2025, 1:12 a.m. Aug. 21, 2025, 7:42 p.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 126 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
6 126 1 15.12 May 21, 2025, midnight Aug. 21, 2025, 7:42 p.m. —
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 20 pts 8.40
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 10 1 8.40 Aug. 21, 2025, 7:42 p.m. Aug. 21, 2025, 7:42 p.m. —
0 10 1 0.00 Aug. 12, 2025, 6:41 a.m. Aug. 21, 2025, 7:29 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