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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: San Marcos · Clear
Snapshot 2026-01-21 Results 21 Page 1 / 1

201.206.191.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.206.191.0
Broadcast
201.206.191.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
9.9983 , -84.1171
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-11-24 13:53 · 2025-11-26 02:22
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
SAN MARCOS DE TARRAZU · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Heredia Province · Heredia
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

167.250.222.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
167.250.222.0
Broadcast
167.250.222.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
15.30395 , -91.7687
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-28 02:03 · 2025-10-28 20:43
Top ASN
AS52468 · UFINET PANAMA S.A.
Top organization / ISP
UFINET Guatemala S. A · Ufinet Panama S.A.
Top geo
Guatemala · San Marcos · Esquipulas Palo Gordo
Window / Updated
2025-10-27 → 2025-11-03 · Updated 2026-01-14 · v2
Open report →

209.66.203.0/24

Risk Max — LOW Footprint 0.391% Hits 32
Prefix / IP version
/24 · IPv4
Network
209.66.203.0
Broadcast
209.66.203.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.1165 , -117.1846
Hits / Errors
32 hits · 0 errors
First / Last seen
2025-01-15 19:12 · 2025-01-15 19:17
Top ASN
AS21708 · San Diego County Office of Education
Top organization / ISP
San Diego County Office of Education · San Diego County Office of Education
Top geo
United States · California · San Marcos
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2
Open report →

209.66.198.0/24

Risk Max — LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
209.66.198.0
Broadcast
209.66.198.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.1165 , -117.1846
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-01-14 18:36 · 2025-01-14 19:08
Top ASN
AS21708 · San Diego County Office of Education
Top organization / ISP
San Diego County Office of Education · San Diego County Office of Education
Top geo
United States · California · San Marcos
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2
Open report →

72.179.58.0/24

Risk Max — LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
72.179.58.0
Broadcast
72.179.58.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.8737 , -97.9361
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-02-28 02:34 · 2025-02-28 02:36
Top ASN
AS11427 · Charter Communications Inc
Top organization / ISP
Spectrum · Charter Communications
Top geo
United States · Texas · San Marcos
Window / Updated
2025-02-24 → 2025-03-03 · Updated 2026-01-14 · v2
Open report →

107.135.65.0/24

Risk Max — LOW Footprint 0.391% Hits 13
Prefix / IP version
/24 · IPv4
Network
107.135.65.0
Broadcast
107.135.65.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.1165 , -117.18460000000002
Hits / Errors
13 hits · 1 errors
First / Last seen
2024-12-25 08:08 · 2024-12-25 08:08
Top ASN
AS7018 · AT&T Enterprises, LLC
Top organization / ISP
AT&T Corp · AT&T Enterprises, LLC
Top geo
United States · California · San Marcos
Window / Updated
2024-12-23 → 2024-12-30 · Updated 2026-01-14 · v2
Open report →

35.147.50.0/24

Risk Max — LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
35.147.50.0
Broadcast
35.147.50.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.8737 , -97.9361
Hits / Errors
4 hits · 2 errors
First / Last seen
2024-05-28 08:29 · 2024-05-28 08:30
Top ASN
AS11427 · Charter Communications Inc
Top organization / ISP
Spectrum · Charter Communications
Top geo
United States · Texas · San Marcos
Window / Updated
2024-05-27 → 2024-06-03 · Updated 2026-01-14 · v2
Open report →

201.163.104.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
201.163.104.0
Broadcast
201.163.104.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.2967 , -98.8637
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-08-07 02:16 · 2025-08-07 02:16
Top ASN
AS11172 · Alestra, S. de R.L. de C.V.
Top organization / ISP
Alestra, S. de R.L. de C.V · Alestra, S. de R.L. de C.V.
Top geo
Mexico · México · San Marcos Huixtoco
Window / Updated
2025-08-04 → 2025-08-11 · Updated 2026-01-14 · v2
Open report →

201.201.215.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
201.201.215.0
Broadcast
201.201.215.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
9.9346 , -84.0706
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 04:43 · 2025-12-17 04:43
Top ASN
AS11830 · Instituto Costarricense de Electricidad y Telecom.
Top organization / ISP
SAN MARCOS DE TARRAZU · Instituto Costarricense de Electricidad y Telecom.
Top geo
Costa Rica · Provincia de San José · San José
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

189.203.85.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.203.85.0
Broadcast
189.203.85.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
19.4226 , -96.9642
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-01 04:23 · 2025-12-01 04:23
Top ASN
AS17072 · TOTAL PLAY TELECOMUNICACIONES SA DE CV
Top organization / ISP
Total Play Telecomunicaciones SA De CV · Total Play Telecomunicaciones SA De CV
Top geo
Mexico · Veracruz · San Marcos de León
Window / Updated
2025-12-01 → 2025-12-08 · Updated 2026-01-14 · v2
Open report →

45.190.184.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
45.190.184.0
Broadcast
45.190.184.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
13.4333 , -86.8
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-11-24 22:17 · 2025-11-24 22:17
Top ASN
AS52468 · UFINET PANAMA S.A.
Top organization / ISP
Ufinet Honduras, S. A · Ufinet Panama S.A.
Top geo
Honduras · Choluteca Department · San Marcos de Colón
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2
Open report →

190.238.42.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.238.42.0
Broadcast
190.238.42.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-9.52491 , -77.1568
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 00:14 · 2025-11-06 00:14
Top ASN
AS6147 · INTEGRATEL PERÚ S.A.A.
Top organization / ISP
PE-TDPERX8-LACNIC · Telefonica Del Peru
Top geo
Peru · Ancash · San Marcos
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

179.51.45.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
179.51.45.0
Broadcast
179.51.45.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
13.6618 , -89.1843
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-22 03:33 · 2025-09-22 03:33
Top ASN
AS27773 · MILLICOM CABLE EL SALVADOR S.A. DE C.V.
Top organization / ISP
Millicom Cable El Salvador S.a. De C.V · Millicom Cable El Salvador S.a. De C.V.
Top geo
El Salvador · San Salvador Department · San Marcos
Window / Updated
2025-09-22 → 2025-09-29 · Updated 2026-01-14 · v2
Open report →

181.16.151.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
181.16.151.0
Broadcast
181.16.151.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-30.7772 , -64.6432
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-14 12:57 · 2025-09-14 12:57
Top ASN
AS52323 · Colsecor Cooperativa Limitada
Top organization / ISP
— · Colsecor Cooperativa Limitada
Top geo
Argentina · Cordoba · San Marcos Sierra
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

189.252.93.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.252.93.0
Broadcast
189.252.93.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
16.1434 , -97.3572
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-08 20:52 · 2025-09-08 20:52
Top ASN
AS8151 · UNINET
Top organization / ISP
UNINET · UNINET
Top geo
Mexico · Oaxaca · San Marcos Zacatepec
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

72.48.2.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
72.48.2.0
Broadcast
72.48.2.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
33.1238 , -97.0275
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-08-03 15:16 · 2025-08-03 15:16
Top ASN
AS7459 · Grande Communications Networks, LLC
Top organization / ISP
Grande Communications San Marcos · Grande Communications Networks
Top geo
United States · Texas · Lake Dallas
Window / Updated
2025-07-28 → 2025-08-04 · Updated 2026-01-14 · v2
Open report →

190.60.62.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
190.60.62.0
Broadcast
190.60.62.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
8.65972 , -75.1281
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-07-21 23:11 · 2025-07-21 23:11
Top ASN
AS52468 · UFINET PANAMA S.A.
Top organization / ISP
UFINET COLOMBIA, S. A · IFX NETWORKS COLOMBIA
Top geo
Colombia · Sucre Department · San Marcos
Window / Updated
2025-07-21 → 2025-07-28 · Updated 2026-01-14 · v2
Open report →

57.132.134.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
57.132.134.0
Broadcast
57.132.134.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.8737 , -97.9361
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-05-06 14:46 · 2025-05-06 14:46
Top ASN
AS7459 · Grande Communications Networks, LLC
Top organization / ISP
Grande Communications Networks · Grande Communications Networks, LLC
Top geo
United States · Texas · San Marcos
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2
Open report →

104.202.167.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
104.202.167.0
Broadcast
104.202.167.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.8737 , -97.9361
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-05-05 00:22 · 2025-05-05 00:22
Top ASN
AS7459 · Grande Communications Networks, LLC
Top organization / ISP
Grande Communications San Marcos · Grande Communications Networks
Top geo
United States · Texas · San Marcos
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2
Open report →

172.103.86.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
172.103.86.0
Broadcast
172.103.86.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.8737 , -97.9361
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-14 23:28 · 2025-02-14 23:28
Top ASN
AS62887 · WhiteSky Communications, LLC.
Top organization / ISP
WhiteSky Communications, LLC · WhiteSky Communications, LLC.
Top geo
United States · Texas · San Marcos
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2
Open report →

192.34.232.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
192.34.232.0
Broadcast
192.34.232.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
29.8737 , -97.9361
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-02-14 18:04 · 2025-02-14 18:04
Top ASN
AS393482 · San Marcos Consolidated Independent School District
Top organization / ISP
San Marcos Consolidated Independent School District · San Marcos Consolidated Independent School District
Top geo
United States · Texas · San Marcos
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2
Open report →