Threat Actors — IPs
Directory of
recently active
,
high-risk
IP addresses observed by Syndu. Each entry links to a full IP report with enriched metadata and risk scoring.
Search
Active filter:
51.8.155.
·
Clear
Snapshot
2026-01-20
Results
48
Page
1
/
2
51.8.155.54
Risk
6
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
295
hits ·
55
errors
First seen
2024-10-14 03:00
Last seen
2025-08-21 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.60
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
276
hits ·
40
errors
First seen
2024-10-31 02:00
Last seen
2025-08-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.53
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
259
hits ·
52
errors
First seen
2024-10-11 03:00
Last seen
2025-08-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.58
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
254
hits ·
44
errors
First seen
2024-10-13 03:00
Last seen
2025-08-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.61
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
244
hits ·
33
errors
First seen
2024-10-12 03:00
Last seen
2025-08-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.62
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
260
hits ·
46
errors
First seen
2024-10-12 03:00
Last seen
2025-08-24 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.48
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
263
hits ·
43
errors
First seen
2024-10-13 03:00
Last seen
2025-08-22 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.57
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
256
hits ·
41
errors
First seen
2024-10-12 03:00
Last seen
2025-08-22 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.55
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
266
hits ·
59
errors
First seen
2024-10-12 03:00
Last seen
2025-08-21 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.56
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
263
hits ·
57
errors
First seen
2024-10-29 02:00
Last seen
2025-08-21 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.63
Risk
5
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
252
hits ·
46
errors
First seen
2024-10-12 03:00
Last seen
2025-08-21 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.49
Risk
4
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
226
hits ·
50
errors
First seen
2024-10-28 02:00
Last seen
2025-09-24 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.50
Risk
4
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
234
hits ·
38
errors
First seen
2024-10-28 02:00
Last seen
2025-08-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.51
Risk
4
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
233
hits ·
36
errors
First seen
2024-10-11 03:00
Last seen
2025-08-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.52
Risk
4
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
231
hits ·
42
errors
First seen
2024-10-11 03:00
Last seen
2025-08-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.59
Risk
4
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
226
hits ·
51
errors
First seen
2024-10-29 02:00
Last seen
2025-08-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.126
Risk
2
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
79
hits ·
6
errors
First seen
2024-11-08 02:00
Last seen
2025-08-21 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.115
Risk
2
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
86
hits ·
9
errors
First seen
2024-12-01 02:00
Last seen
2025-07-26 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.119
Risk
2
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
78
hits ·
3
errors
First seen
2025-01-03 02:00
Last seen
2025-06-27 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.117
Risk
2
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
78
hits ·
8
errors
First seen
2025-02-06 02:00
Last seen
2025-05-28 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.123
Risk
2
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
92
hits ·
8
errors
First seen
2025-02-06 02:00
Last seen
2025-05-23 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.120
Risk
2
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
76
hits ·
4
errors
First seen
2024-11-14 02:00
Last seen
2025-05-06 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.66
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
40
hits ·
7
errors
First seen
2024-10-29 02:00
Last seen
2025-12-18 02:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.71
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
49
hits ·
13
errors
First seen
2024-10-10 03:00
Last seen
2025-11-07 02:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.65
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
53
hits ·
13
errors
First seen
2024-10-01 03:00
Last seen
2025-10-12 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.72
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
42
hits ·
6
errors
First seen
2024-10-03 03:00
Last seen
2025-10-12 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.77
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
42
hits ·
8
errors
First seen
2024-11-07 02:00
Last seen
2025-10-11 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.112
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
62
hits ·
6
errors
First seen
2025-01-04 02:00
Last seen
2025-10-08 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.122
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
67
hits ·
6
errors
First seen
2024-12-23 02:00
Last seen
2025-10-03 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.124
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
66
hits ·
7
errors
First seen
2024-10-11 03:00
Last seen
2025-10-01 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.70
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
50
hits ·
11
errors
First seen
2024-11-14 02:00
Last seen
2025-09-19 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.76
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
30
hits ·
1
errors
First seen
2024-12-23 02:00
Last seen
2025-09-19 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.73
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
42
hits ·
8
errors
First seen
2024-10-12 03:00
Last seen
2025-09-07 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.67
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
53
hits ·
12
errors
First seen
2024-10-10 03:00
Last seen
2025-08-25 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.75
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
35
hits ·
7
errors
First seen
2024-09-26 03:00
Last seen
2025-08-22 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.118
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
69
hits ·
6
errors
First seen
2024-12-20 02:00
Last seen
2025-08-21 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.127
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
65
hits ·
5
errors
First seen
2025-01-06 02:00
Last seen
2025-08-21 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.114
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
57
hits ·
8
errors
First seen
2025-01-02 02:00
Last seen
2025-08-21 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.78
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
39
hits ·
7
errors
First seen
2024-09-27 03:00
Last seen
2025-08-13 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
51.8.155.64
Risk
1
LOW
ASN
AS8075
Organization
Microsoft Corporation
ISP
Microsoft Germany
Location
United States
·
Virginia
·
Boydton
·
23917
Hits / Errors
36
hits ·
4
errors
First seen
2025-01-11 02:00
Last seen
2025-08-11 03:00
Model
v1
Freshness
Risk computed:
2026-01-14
Open report →
Explore logs →
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