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Interesting Subnets

Directory of active subnets observed by Syndu. Each row is the latest cached SubnetSnapshot per subnet and includes: density, traffic, geo/ASN representatives, and risk distribution.

77.210.133.0/24

Risk Max LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
77.210.133.0
Broadcast
77.210.133.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.3456 , -1.10646
Hits / Errors
34 hits · 2 errors
First / Last seen
2025-01-15 21:36 · 2025-01-15 21:40
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2

212.166.221.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
212.166.221.0
Broadcast
212.166.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.0269 , -1.57648
Hits / Errors
17 hits · 2 errors
First / Last seen
2025-07-30 23:12 · 2025-07-30 23:43
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2

62.87.75.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
62.87.75.0
Broadcast
62.87.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
39.4676 , -0.3771
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-04-08 15:27 · 2025-04-08 15:28
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

37.223.122.0/24

Risk Max LOW Footprint 0.391% Hits 12
Prefix / IP version
/24 · IPv4
Network
37.223.122.0
Broadcast
37.223.122.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4204 , 2.1678
Hits / Errors
12 hits · 0 errors
First / Last seen
2024-09-08 12:20 · 2024-09-08 12:21
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-09-02 → 2024-09-09 · Updated 2026-01-14 · v2

77.211.4.0/24

Risk Max LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
77.211.4.0
Broadcast
77.211.4.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4252 , -3.6927
Hits / Errors
4 hits · 1 errors
First / Last seen
2025-01-02 22:56 · 2025-01-02 22:56
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-12-30 → 2025-01-06 · Updated 2026-01-14 · v2

37.223.221.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
37.223.221.0
Broadcast
37.223.221.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4339 , 2.2111
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-23 10:00 · 2025-05-23 10:00
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

77.211.27.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
77.211.27.0
Broadcast
77.211.27.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.3482 , -3.6989
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-03-15 05:38 · 2025-03-15 05:38
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

87.125.64.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
87.125.64.0
Broadcast
87.125.64.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
36.7162 , -4.4161
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-11-21 23:05 · 2023-11-21 23:05
Top ASN
Top organization / ISP
Top geo
Window / Updated
2023-11-20 → 2023-11-27 · Updated 2026-01-14 · v2

37.223.145.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.223.145.0
Broadcast
37.223.145.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.3891 , 2.1606
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-23 09:22 · 2025-05-23 09:22
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

77.211.7.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
77.211.7.0
Broadcast
77.211.7.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4504 , -3.6754
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-06 15:41 · 2025-05-06 15:41
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

37.223.127.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.223.127.0
Broadcast
37.223.127.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4204 , 2.1678
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 13:28 · 2025-05-06 13:28
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

31.4.243.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
31.4.243.0
Broadcast
31.4.243.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
40.4165 , -3.70256
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 01:20 · 2025-05-06 01:20
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

37.223.227.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.223.227.0
Broadcast
37.223.227.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4204 , 2.1678
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 17:48 · 2025-05-05 17:48
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

37.223.134.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.223.134.0
Broadcast
37.223.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4022 , 2.1407
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 14:16 · 2025-05-05 14:16
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

37.223.176.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.223.176.0
Broadcast
37.223.176.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.4076 , 2.1709
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-05 13:45 · 2025-05-05 13:45
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

37.223.194.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.223.194.0
Broadcast
37.223.194.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
41.442 , 2.171
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-05 01:37 · 2025-05-05 01:37
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

37.223.250.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
37.223.250.0
Broadcast
37.223.250.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2668 , 2.9576
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-04 19:41 · 2025-05-04 19:41
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

62.87.102.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
62.87.102.0
Broadcast
62.87.102.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.3367 , -7.86407
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-17 03:56 · 2025-02-17 03:56
Top ASN
Top organization / ISP
Top geo
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2