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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: AR TELECOM PROVEDOR DE INTERNET LTDA · Clear
Snapshot 2026-02-09 Results 11 Page 1 / 1

187.49.212.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
187.49.212.0
Broadcast
187.49.212.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-21.542 , -46.6252
Hits / Errors
3 hits · 2 errors
First / Last seen
2025-10-07 05:02 · 2025-10-12 10:22
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · Caconde
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

187.49.211.0/24

Risk Max — LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.49.211.0
Broadcast
187.49.211.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-21.5999 , -46.9016
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-10-07 03:46 · 2025-10-07 18:22
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · São José do Rio Pardo
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

187.49.215.0/24

Risk Max — LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
187.49.215.0
Broadcast
187.49.215.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.5999 , -46.9016
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-09-10 04:54 · 2025-09-10 04:54
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · São José do Rio Pardo
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

187.49.208.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.49.208.0
Broadcast
187.49.208.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.4445 , -47.0135
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-17 09:53 · 2025-12-17 09:53
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · Mococa
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2
Open report →

177.54.75.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.54.75.0
Broadcast
177.54.75.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.5999 , -46.9016
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 23:29 · 2025-12-14 23:29
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · São José do Rio Pardo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

187.49.209.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.49.209.0
Broadcast
187.49.209.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-22.4333 , -46.958
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-12-14 11:15 · 2025-12-14 11:15
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · Mogi Mirim
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2
Open report →

189.89.249.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
189.89.249.0
Broadcast
189.89.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-1.345 , -48.4219
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 00:21 · 2025-11-06 00:21
Top ASN
AS28188 · Pronto Net Ltda.
Top organization / ISP
Inovar Telecom Provedor De Internet Ltda · Pronto Net Ltda.
Top geo
Brazil · Pará · Belém
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2
Open report →

187.49.210.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.49.210.0
Broadcast
187.49.210.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.5999 , -46.9016
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-15 11:03 · 2025-10-15 11:03
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · São José do Rio Pardo
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2
Open report →

187.49.213.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.49.213.0
Broadcast
187.49.213.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.542 , -46.6252
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-10-10 15:12 · 2025-10-10 15:12
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · Caconde
Window / Updated
2025-10-06 → 2025-10-13 · Updated 2026-01-14 · v2
Open report →

187.49.223.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
187.49.223.0
Broadcast
187.49.223.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-21.4445 , -47.0135
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-09-14 23:24 · 2025-09-14 23:24
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · São Paulo · Mococa
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →

177.54.66.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
177.54.66.0
Broadcast
177.54.66.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-20.7635 , -46.6187
Hits / Errors
1 hits · 1 errors
First / Last seen
2025-09-11 02:49 · 2025-09-11 02:49
Top ASN
AS28154 · AR TELECOM PROVEDOR DE INTERNET LTDA
Top organization / ISP
AR TELECOM PROVEDOR DE INTERNET LTDA · AR TELECOM PROVEDOR DE INTERNET LTDA
Top geo
Brazil · Minas Gerais · Passos
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2
Open report →