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ASN REPORT — AS27876 · American Data Networks

First sighted: June 27, 2025, 3 a.m. · Last sighted: March 2, 2026, 2 a.m.

Risk
0 (low)
Total hits
139
Total errors
19
Observed IPs
47
Top country
Costa Rica
Top city
San José
Top region
Provincia de San José

Risk

Model: v1 Computed: 2026-03-03 19:54:56
Risk score
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 3
Points 9.90
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 1
Points 0.16

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
120
3xx
0
4xx
19
5xx
0
Unique URLs
0
Total hits
139
First seen
June 27, 2025, 3 a.m.
Last seen
March 2, 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 3 pts 9.90
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 1 1 5.50 Feb. 20, 2026, 11:46 a.m. Feb. 20, 2026, 11:46 a.m. —
8 1 1 4.40 Feb. 20, 2026, 11:46 a.m. Feb. 20, 2026, 11:46 a.m. —
0 1 1 0.00 Feb. 20, 2026, 11:46 a.m. Feb. 20, 2026, 11:46 a.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 1 pts 0.16
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 1 1 0.16 Nov. 6, 2025, 11:37 a.m. Nov. 6, 2025, 11:37 a.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).

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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.

143.255.29.146 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
12
Errors
2
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.198.130 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
11
Errors
2
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.27 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
7
Errors
2
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.33 low
Open report
0 /100
Last seen 2026-03-01 02:00
Hits
6
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.112 low
Open report
0 /100
Last seen 2026-02-25 02:00
Hits
6
Errors
3
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.128 low
Open report
0 /100
Last seen 2026-03-02 02:00
Hits
6
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.209 low
Open report
0 /100
Last seen 2026-03-02 02:00
Hits
6
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.198.146 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
6
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.242 low
Open report
0 /100
Last seen 2026-03-02 02:00
Hits
5
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.219.164 low
Open report
0 /100
Last seen 2026-01-27 02:00
Hits
5
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.6 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
4
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.34 low
Open report
0 /100
Last seen 2026-02-17 02:00
Hits
4
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.43 low
Open report
0 /100
Last seen 2026-01-24 02:00
Hits
4
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.48 low
Open report
0 /100
Last seen 2026-01-29 02:00
Hits
3
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.70 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
3
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.116 low
Open report
0 /100
Last seen 2026-02-16 02:00
Hits
3
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.209.242 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
3
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.1 low
Open report
0 /100
Last seen 2026-02-24 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.3 low
Open report
0 /100
Last seen 2026-02-28 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.25 low
Open report
0 /100
Last seen 2026-02-06 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.39 low
Open report
0 /100
Last seen 2026-01-24 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.40 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.80 low
Open report
0 /100
Last seen 2026-01-28 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.96 low
Open report
0 /100
Last seen 2026-02-27 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.114 low
Open report
0 /100
Last seen 2026-02-10 02:00
Hits
2
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.117 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.140 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.156 low
Open report
0 /100
Last seen 2026-03-01 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.208 low
Open report
0 /100
Last seen 2026-02-17 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
186.5.163.222 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
2
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.194.17 low
Open report
0 /100
Last seen 2026-01-27 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.204.69 low
Open report
0 /100
Last seen 2026-01-23 02:00
Hits
2
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.9 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
1
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.18 low
Open report
0 /100
Last seen 2026-02-26 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.58 low
Open report
0 /100
Last seen 2026-02-26 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.92 low
Open report
0 /100
Last seen 2026-01-24 02:00
Hits
1
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.93 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.98 low
Open report
0 /100
Last seen 2026-01-25 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.113 low
Open report
0 /100
Last seen 2026-01-24 02:00
Hits
1
Errors
1
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.115 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.138 low
Open report
0 /100
Last seen 2026-01-30 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
143.255.29.142 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
186.5.174.208 low
Open report
0 /100
Last seen 2025-10-29 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.202.181 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.205.53 low
Open report
0 /100
Last seen 2025-06-28 03:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.206.193 low
Open report
0 /100
Last seen 2026-01-28 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks
190.7.221.17 low
Open report
0 /100
Last seen 2026-01-23 02:00
Hits
1
Errors
0
Country
Costa Rica
ASN
AS27876
AS Org
American Data Networks