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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.
Active filter: Piedecuesta · Clear
Snapshot 2026-01-23 Results 11 Page 1 / 1

181.141.25.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.141.25.0
Broadcast
181.141.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-08-05 09:43 · 2025-08-05 09:43
Top ASN
AS13489 · UNE EPM TELECOMUNICACIONES S.A.
Top organization / ISP
EPM Telecomunicaciones S.A. E.S.P · EPM Telecomunicaciones S.A. E.S.P.
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

181.236.171.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.236.171.0
Broadcast
181.236.171.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 04:45 · 2025-11-06 04:45
Top ASN
AS3816 · COLOMBIA TELECOMUNICACIONES S.A. ESP BIC
Top organization / ISP
Colombia Telecomunicaciones S.a. ESP · Colombia Telecomunicaciones S.a. ESP
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

181.141.21.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.141.21.0
Broadcast
181.141.21.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-04 00:52 · 2025-10-04 00:52
Top ASN
AS13489 · UNE EPM TELECOMUNICACIONES S.A.
Top organization / ISP
EPM Telecomunicaciones S.A. E.S.P · EPM Telecomunicaciones S.A. E.S.P.
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

152.202.131.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
152.202.131.0
Broadcast
152.202.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-10-02 22:42 · 2025-10-02 22:42
Top ASN
AS3816 · COLOMBIA TELECOMUNICACIONES S.A. ESP BIC
Top organization / ISP
Colombia Telecomunicaciones S.a. ESP BIC · Colombia Telecomunicaciones S.a. ESP BIC
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2
Open report →

181.236.169.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.236.169.0
Broadcast
181.236.169.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-22 15:32 · 2025-09-22 15:32
Top ASN
AS3816 · COLOMBIA TELECOMUNICACIONES S.A. ESP BIC
Top organization / ISP
Colombia Telecomunicaciones S.a. ESP · Colombia Telecomunicaciones S.a. ESP
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

181.236.167.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.236.167.0
Broadcast
181.236.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-20 15:23 · 2025-09-20 15:23
Top ASN
AS3816 · COLOMBIA TELECOMUNICACIONES S.A. ESP BIC
Top organization / ISP
Colombia Telecomunicaciones S.a. ESP · Colombia Telecomunicaciones S.a. ESP
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-09-15 → 2025-09-22 · Updated 2026-01-14 · v2
Open report →

181.236.163.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.236.163.0
Broadcast
181.236.163.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-10 06:44 · 2025-09-10 06:44
Top ASN
AS3816 · COLOMBIA TELECOMUNICACIONES S.A. ESP BIC
Top organization / ISP
Colombia Telecomunicaciones S.a. ESP · Colombia Telecomunicaciones S.a. ESP
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

8.243.68.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
8.243.68.0
Broadcast
8.243.68.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.98789 , -73.0495
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-23 02:15 · 2025-08-23 02:15
Top ASN
AS3356 · Level 3 Parent, LLC
Top organization / ISP
CTL LATAM, CTL Colombia · Level 3 Communications, Inc.
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2
Open report →

190.242.142.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.242.142.0
Broadcast
190.242.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.98789 , -73.0495
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-17 10:17 · 2025-08-17 10:17
Top ASN
AS23520 · Columbus Networks USA, Inc.
Top organization / ISP
Columbus Networks de Colombia Limitada · Columbus Networks USA, Inc.
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

167.0.40.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
167.0.40.0
Broadcast
167.0.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-12 20:52 · 2025-08-12 20:52
Top ASN
AS3816 · COLOMBIA TELECOMUNICACIONES S.A. ESP BIC
Top organization / ISP
Colombia Telecomunicaciones S.a. ESP · Colombia Telecomunicaciones S.a. ESP
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-08-11 → 2025-08-18 · Updated 2026-01-14 · v2
Open report →

177.254.142.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.254.142.0
Broadcast
177.254.142.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
6.9952 , -73.05
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-08-06 06:40 · 2025-08-06 06:40
Top ASN
AS27831 · Colombia Móvil
Top organization / ISP
Colombia Móvil · Colombia Móvil
Top geo
Colombia · Santander Department · Piedecuesta
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →