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ASN REPORT — AS64249 · Charles River Operation

First sighted: July 19, 2023, 3 a.m. · Last sighted: Feb. 24, 2026, 2 a.m.

Risk
2 (low)
Total hits
358
Total errors
14
Observed IPs
82
Top country
United States
Top city
Waltham
Top region
Virginia

Risk

Model: v1 Computed: 2026-03-03 19:54:56
Risk score
2
Low
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 9
Points 29.70
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 37
Points 21.00
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 3
Points 0.36

Traffic

Rollup

Daily activity (hits per day) and basic HTTP rollup counters for this ASN.

Loading activity…
Daily activity (hits per day). Total in window: —.
Traffic rollup
HTTP status classes, URL diversity, and totals.
2xx
344
3xx
0
4xx
14
5xx
0
Unique URLs
0
Total hits
358
First seen
July 19, 2023, 3 a.m.
Last seen
Feb. 24, 2026, 2 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
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 9 pts 29.70
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 3 3 16.50 Dec. 25, 2023, 12:49 p.m. May 14, 2024, 11:03 a.m. —
8 3 3 13.20 Dec. 25, 2023, 12:49 p.m. May 14, 2024, 11:03 a.m. —
0 3 3 0.00 Dec. 25, 2023, 12:49 p.m. May 14, 2024, 11:03 a.m. —
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 37 pts 21.00
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 25 25 21.00 Jan. 29, 2026, 5:47 p.m. Feb. 23, 2026, 9:35 p.m. —
0 12 3 0.00 July 31, 2025, 4:58 p.m. Nov. 6, 2025, 11:46 p.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 3 pts 0.36
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 3 3 0.36 Nov. 9, 2024, 10:39 a.m. Jan. 26, 2025, 10:28 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 ASN snapshot (peer IPs with coordinates).

Loading map…

SUBNETS HELD BY THIS ISP

Derived from ISP snapshot peers (Option A). Grouped into IPv4 /24 and IPv6 /48 by default.
IPv4
IPv6
Limit
Loading subnets…

Interesting IPs

Top risky peers inside this ASN (latest snapshot). Sorted by risk score, then hits.

207.32.143.135 low
Open report
0 /100
Last seen 2024-11-08 02:00
Hits
124
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.128 low
Open report
0 /100
Last seen 2026-02-10 02:00
Hits
33
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.173 low
Open report
0 /100
Last seen 2025-11-07 02:00
Hits
10
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.175 low
Open report
0 /100
Last seen 2025-11-07 02:00
Hits
10
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.184 low
Open report
0 /100
Last seen 2024-11-08 02:00
Hits
8
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.118 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
6
Errors
2
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.22 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
5
Errors
1
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.196 low
Open report
0 /100
Last seen 2026-01-30 02:00
Hits
5
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
45.67.143.192 low
Open report
0 /100
Last seen 2024-12-27 02:00
Hits
4
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.187 low
Open report
0 /100
Last seen 2025-11-07 02:00
Hits
4
Errors
3
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.87 low
Open report
0 /100
Last seen 2025-06-26 03:00
Hits
4
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.132 low
Open report
0 /100
Last seen 2023-07-26 03:00
Hits
4
Errors
1
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.180 low
Open report
0 /100
Last seen 2024-09-08 03:00
Hits
4
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.219 low
Open report
0 /100
Last seen 2024-05-17 03:00
Hits
4
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.133.129 low
Open report
0 /100
Last seen 2025-01-16 02:00
Hits
4
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.141 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
4
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.188 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
4
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.13 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.27 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.49 low
Open report
0 /100
Last seen 2026-01-25 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.91 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.112 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.139 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.158 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.233 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
154.3.129.88 low
Open report
0 /100
Last seen 2025-01-27 02:00
Hits
3
Errors
2
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.26 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.39 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.44 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.51 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.55 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.71 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.87 low
Open report
0 /100
Last seen 2024-11-06 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.89 low
Open report
0 /100
Last seen 2026-02-13 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.92 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.130 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.146 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.159 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.228 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
45.67.142.223 low
Open report
0 /100
Last seen 2025-01-16 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.99 low
Open report
0 /100
Last seen 2025-05-20 03:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.162 low
Open report
0 /100
Last seen 2025-05-24 03:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.198 low
Open report
0 /100
Last seen 2026-02-09 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
67.22.62.132 low
Open report
0 /100
Last seen 2023-12-16 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
67.22.62.220 low
Open report
0 /100
Last seen 2025-01-16 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
67.22.62.237 low
Open report
0 /100
Last seen 2025-03-05 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.132.161 low
Open report
0 /100
Last seen 2025-01-16 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.139.226 low
Open report
0 /100
Last seen 2026-02-24 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.134 low
Open report
0 /100
Last seen 2024-11-10 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.186 low
Open report
0 /100
Last seen 2024-11-10 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.192 low
Open report
0 /100
Last seen 2024-11-10 02:00
Hits
2
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
45.67.143.161 low
Open report
0 /100
Last seen 2024-04-22 03:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.5 low
Open report
0 /100
Last seen 2026-01-30 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.9 low
Open report
0 /100
Last seen 2026-01-26 02:00
Hits
1
Errors
1
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.18 low
Open report
0 /100
Last seen 2026-01-29 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.19 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.63 low
Open report
0 /100
Last seen 2024-11-09 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.129 low
Open report
0 /100
Last seen 2024-09-13 03:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.163 low
Open report
0 /100
Last seen 2025-03-21 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.220 low
Open report
0 /100
Last seen 2024-11-05 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
63.246.157.238 low
Open report
0 /100
Last seen 2024-11-06 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
67.22.62.145 low
Open report
0 /100
Last seen 2023-12-26 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
67.22.62.231 low
Open report
0 /100
Last seen 2024-01-02 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
94.154.168.28 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
1
Errors
1
Country
United States
ASN
AS64249
AS Org
Charles River Operation
94.154.168.158 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
1
Errors
1
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.81 low
Open report
0 /100
Last seen 2025-08-14 03:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.90 low
Open report
0 /100
Last seen 2023-07-20 03:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.94 low
Open report
0 /100
Last seen 2024-05-15 03:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.242 low
Open report
0 /100
Last seen 2024-05-07 03:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.247 low
Open report
0 /100
Last seen 2025-06-26 03:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.131.250 low
Open report
0 /100
Last seen 2024-01-01 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.139.241 low
Open report
0 /100
Last seen 2025-02-07 02:00
Hits
1
Errors
1
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.64 low
Open report
0 /100
Last seen 2024-11-09 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.81 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation
207.32.143.90 low
Open report
0 /100
Last seen 2025-12-18 02:00
Hits
1
Errors
0
Country
United States
ASN
AS64249
AS Org
Charles River Operation