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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.

188.150.11.0/24

Risk Max 1 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.150.11.0
Broadcast
188.150.11.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
59.238 , 14.4308
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-18 04:22 · 2025-02-18 04:22
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Window / Updated
2025-02-17 → 2025-02-24 · Updated 2026-01-14 · v2

87.227.12.0/24

Risk Max LOW Footprint 0.391% Hits 63
Prefix / IP version
/24 · IPv4
Network
87.227.12.0
Broadcast
87.227.12.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
57.7065 , 11.967
Hits / Errors
63 hits · 1 errors
First / Last seen
2025-08-13 15:39 · 2025-08-13 15:42
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2

188.151.54.0/24

Risk Max LOW Footprint 0.391% Hits 31
Prefix / IP version
/24 · IPv4
Network
188.151.54.0
Broadcast
188.151.54.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
57.7065 , 11.967
Hits / Errors
31 hits · 1 errors
First / Last seen
2025-04-01 22:19 · 2025-04-02 16:12
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

188.150.115.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
188.150.115.0
Broadcast
188.150.115.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
57.6583 , 12.016
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-03-26 23:20 · 2025-03-26 23:23
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Window / Updated
2025-03-24 → 2025-03-31 · Updated 2026-01-14 · v2

213.100.196.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
213.100.196.0
Broadcast
213.100.196.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
59.3326 , 18.065099999999997
Hits / Errors
15 hits · 2 errors
First / Last seen
2024-04-22 08:26 · 2024-04-22 10:08
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Window / Updated
2024-04-22 → 2024-04-29 · Updated 2026-01-14 · v2

213.100.209.0/24

Risk Max LOW Footprint 0.391% Hits 7
Prefix / IP version
/24 · IPv4
Network
213.100.209.0
Broadcast
213.100.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
59.3497 , 17.9738
Hits / Errors
7 hits · 4 errors
First / Last seen
2024-11-09 19:39 · 2024-11-09 19:39
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

87.227.15.0/24

Risk Max LOW Footprint 0.391% Hits 3
Prefix / IP version
/24 · IPv4
Network
87.227.15.0
Broadcast
87.227.15.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
57.7065 , 11.967
Hits / Errors
3 hits · 1 errors
First / Last seen
2025-10-07 01:48 · 2025-10-08 11:22
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2

188.151.156.0/24

Risk Max LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
188.151.156.0
Broadcast
188.151.156.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.6078 , 12.9982
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-14 10:04 · 2025-09-14 10:04
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Top geo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

188.150.164.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.150.164.0
Broadcast
188.150.164.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
59.2539 , 17.7853
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-26 13:00 · 2025-08-26 13:00
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Window / Updated
2025-08-25 → 2025-09-01 · Updated 2026-01-14 · v2

188.150.66.0/24

Risk Max LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
188.150.66.0
Broadcast
188.150.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
55.7037 , 13.1946
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-20 13:26 · 2025-07-20 13:26
Top ASN
AS1257 · Tele2 Sverige AB
Top organization / ISP
Top geo
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2