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ASN REPORT — AS138384 · Rakuten Mobile Network, Inc.

First sighted: Jan. 20, 2024, 2 a.m. · Last sighted: Feb. 28, 2026, 2 a.m.

Risk
5 (low)
Total hits
1219
Total errors
178
Observed IPs
361
Top country
Japan
Top city
Yūtenji
Top region
Yamanashi

Risk

Model: v1 Computed: 2026-03-03 19:54:56
Risk score
5
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 30
Points 99.00
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 41
Points 12.96
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 2
Points 12.32
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 32
Points 3.92

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
1041
3xx
0
4xx
178
5xx
0
Unique URLs
0
Total hits
1219
First seen
Jan. 20, 2024, 2 a.m.
Last seen
Feb. 28, 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 30 pts 99.00
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 10 10 55.00 Feb. 17, 2026, 2:43 p.m. Feb. 22, 2026, 10:26 a.m. —
8 10 10 44.00 Feb. 17, 2026, 2:43 p.m. Feb. 22, 2026, 10:26 a.m. —
0 10 10 0.00 Feb. 17, 2026, 2:43 p.m. Feb. 22, 2026, 10:26 a.m. —
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 41 pts 12.96
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 18 5 12.96 Feb. 3, 2025, 6:48 a.m. Aug. 13, 2025, 3:11 a.m. —
0 23 7 0.00 Jan. 14, 2025, 4:13 a.m. Aug. 13, 2025, 3:11 a.m. —
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 2 pts 12.32
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 1 1 8.80 Feb. 12, 2026, 3:28 a.m. Feb. 12, 2026, 3:28 a.m. —
16 1 1 3.52 Feb. 12, 2026, 3:28 a.m. Feb. 12, 2026, 3:28 a.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 32 pts 3.92
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 30 13 3.60 Feb. 6, 2024, 1:54 p.m. Feb. 3, 2025, 6:48 a.m. —
8 2 1 0.32 April 3, 2025, 3:18 a.m. April 3, 2025, 3:18 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).

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.

133.106.63.42 low
Open report
0 /100
Last seen 2025-01-13 02:00
Hits
71
Errors
11
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.192.153 low
Open report
0 /100
Last seen 2025-08-01 03:00
Hits
66
Errors
4
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.166.21 low
Open report
0 /100
Last seen 2025-08-14 03:00
Hits
64
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
210.157.205.61 low
Open report
0 /100
Last seen 2025-03-16 02:00
Hits
53
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.165 low
Open report
0 /100
Last seen 2025-01-14 02:00
Hits
39
Errors
5
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.189.8 low
Open report
0 /100
Last seen 2025-02-04 02:00
Hits
35
Errors
10
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.206.74 low
Open report
0 /100
Last seen 2024-11-28 02:00
Hits
33
Errors
2
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.32.20 low
Open report
0 /100
Last seen 2024-10-07 03:00
Hits
26
Errors
3
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.37.21 low
Open report
0 /100
Last seen 2025-04-16 03:00
Hits
21
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.141 low
Open report
0 /100
Last seen 2025-01-13 02:00
Hits
21
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.145 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
21
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.210.223 low
Open report
0 /100
Last seen 2025-01-19 02:00
Hits
20
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.148.105 low
Open report
0 /100
Last seen 2025-01-15 02:00
Hits
18
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.181 low
Open report
0 /100
Last seen 2025-01-11 02:00
Hits
17
Errors
4
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.60.161 low
Open report
0 /100
Last seen 2025-01-15 02:00
Hits
14
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.49.153 low
Open report
0 /100
Last seen 2024-05-28 03:00
Hits
13
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.186 low
Open report
0 /100
Last seen 2025-01-14 02:00
Hits
13
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.155 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
13
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.134.222 low
Open report
0 /100
Last seen 2024-10-05 03:00
Hits
13
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.185.171 low
Open report
0 /100
Last seen 2024-12-05 02:00
Hits
12
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.226.221 low
Open report
0 /100
Last seen 2024-10-10 03:00
Hits
12
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.252.34 low
Open report
0 /100
Last seen 2024-11-23 02:00
Hits
12
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.37.6 low
Open report
0 /100
Last seen 2024-01-21 02:00
Hits
11
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.61.47 low
Open report
0 /100
Last seen 2025-01-11 02:00
Hits
11
Errors
2
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.142.59 low
Open report
0 /100
Last seen 2025-02-04 02:00
Hits
11
Errors
5
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.63.202 low
Open report
0 /100
Last seen 2025-01-15 02:00
Hits
10
Errors
2
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.168 low
Open report
0 /100
Last seen 2026-02-23 02:00
Hits
9
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.61.46 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
9
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.34.53 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
8
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.216.128 low
Open report
0 /100
Last seen 2024-09-16 03:00
Hits
8
Errors
2
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.133 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
7
Errors
2
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.166 low
Open report
0 /100
Last seen 2025-01-11 02:00
Hits
7
Errors
2
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.63.75 low
Open report
0 /100
Last seen 2025-01-11 02:00
Hits
6
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.185.152 low
Open report
0 /100
Last seen 2025-08-14 03:00
Hits
6
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.167 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
5
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
210.157.193.233 low
Open report
0 /100
Last seen 2026-02-15 02:00
Hits
5
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
210.157.195.81 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
5
Errors
2
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.35.109 low
Open report
0 /100
Last seen 2026-02-07 02:00
Hits
4
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.38.172 low
Open report
0 /100
Last seen 2024-11-21 02:00
Hits
4
Errors
3
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.49.168 low
Open report
0 /100
Last seen 2026-02-10 02:00
Hits
4
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.170 low
Open report
0 /100
Last seen 2025-01-15 02:00
Hits
4
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.180 low
Open report
0 /100
Last seen 2025-01-15 02:00
Hits
4
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.51.210 low
Open report
0 /100
Last seen 2026-02-14 02:00
Hits
4
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.138 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
4
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.63.73 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
4
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.218.222 low
Open report
0 /100
Last seen 2026-02-10 02:00
Hits
4
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
210.157.192.176 low
Open report
0 /100
Last seen 2026-02-16 02:00
Hits
4
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
210.157.194.178 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
4
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
210.157.195.125 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
4
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.32.102 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.33.164 low
Open report
0 /100
Last seen 2026-02-05 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.34.15 low
Open report
0 /100
Last seen 2026-02-06 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.35.134 low
Open report
0 /100
Last seen 2026-02-19 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.35.195 low
Open report
0 /100
Last seen 2026-02-15 02:00
Hits
3
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.45.193 low
Open report
0 /100
Last seen 2025-01-15 02:00
Hits
3
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.48.128 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.107 low
Open report
0 /100
Last seen 2026-02-27 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.148 low
Open report
0 /100
Last seen 2025-01-14 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.50.181 low
Open report
0 /100
Last seen 2025-01-15 02:00
Hits
3
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.51.109 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.163 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.174 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
3
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.52.190 low
Open report
0 /100
Last seen 2025-01-11 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.60.162 low
Open report
0 /100
Last seen 2025-01-15 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.73.14 low
Open report
0 /100
Last seen 2026-02-08 02:00
Hits
3
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.73.177 low
Open report
0 /100
Last seen 2026-02-06 02:00
Hits
3
Errors
2
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.74.238 low
Open report
0 /100
Last seen 2026-02-13 02:00
Hits
3
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.146.207 low
Open report
0 /100
Last seen 2026-02-25 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.150.88 low
Open report
0 /100
Last seen 2026-02-08 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.160.82 low
Open report
0 /100
Last seen 2026-02-17 02:00
Hits
3
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.224.248 low
Open report
0 /100
Last seen 2026-02-10 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.226.103 low
Open report
0 /100
Last seen 2026-02-07 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
133.106.228.101 low
Open report
0 /100
Last seen 2026-02-09 02:00
Hits
3
Errors
1
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
210.157.192.28 low
Open report
0 /100
Last seen 2026-02-16 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.
210.157.192.121 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
3
Errors
0
Country
Japan
ASN
AS138384
AS Org
Rakuten Mobile Network, Inc.