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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.

115.75.51.0/24

Risk Max 16 LOW Footprint 0.391% Hits 53
Prefix / IP version
/24 · IPv4
Network
115.75.51.0
Broadcast
115.75.51.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
53 hits · 53 errors
First / Last seen
2024-01-04 23:34 · 2024-01-04 23:35
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2024-01-01 → 2024-01-08 · Updated 2026-01-14 · v2

27.72.117.0/24

Risk Max 13 LOW Footprint 0.391% Hits 262
Prefix / IP version
/24 · IPv4
Network
27.72.117.0
Broadcast
27.72.117.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
262 hits · 119 errors
First / Last seen
2024-05-28 00:20 · 2024-05-28 00:25
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2024-05-27 → 2024-06-03 · Updated 2026-01-14 · v2

171.244.40.0/24

Risk Max 7 LOW Footprint 0.391% Hits 79
Prefix / IP version
/24 · IPv4
Network
171.244.40.0
Broadcast
171.244.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.027799999999996 , 105.83399999999999
Hits / Errors
79 hits · 74 errors
First / Last seen
2025-05-19 15:50 · 2025-05-19 15:50
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2025-05-19 → 2025-05-26 · Updated 2026-01-14 · v2

115.77.239.0/24

Risk Max 2 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
115.77.239.0
Broadcast
115.77.239.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
2 hits · 1 errors
First / Last seen
2025-02-03 06:41 · 2025-02-03 06:41
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-02-03 → 2025-02-10 · Updated 2026-01-14 · v2

171.235.224.0/24

Risk Max 2 LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
171.235.224.0
Broadcast
171.235.224.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
1 hits · 0 errors
First / Last seen
2025-11-06 04:39 · 2025-11-06 04:39
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

171.229.217.0/24

Risk Max 1 LOW Footprint 0.391% Hits 9
Prefix / IP version
/24 · IPv4
Network
171.229.217.0
Broadcast
171.229.217.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
9 hits · 2 errors
First / Last seen
2024-02-22 21:04 · 2024-02-22 21:04
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2024-02-19 → 2024-02-26 · Updated 2026-01-14 · v2

171.224.179.0/24

Risk Max 1 LOW Footprint 0.391% Hits 4
Prefix / IP version
/24 · IPv4
Network
171.224.179.0
Broadcast
171.224.179.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
4 hits · 0 errors
First / Last seen
2025-12-17 12:15 · 2025-12-17 12:15
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2025-12-15 → 2025-12-22 · Updated 2026-01-14 · v2

171.244.49.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
171.244.49.0
Broadcast
171.244.49.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0278 , 105.834
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-05-12 08:50 · 2024-05-12 08:50
Top ASN
Top organization / ISP
Top geo
Window / Updated
2024-05-06 → 2024-05-13 · Updated 2026-01-14 · v2

115.73.218.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
115.73.218.0
Broadcast
115.73.218.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
2 hits · 1 errors
First / Last seen
2024-02-15 02:03 · 2024-02-15 02:04
Top ASN
AS7552 · Viettel Group
Top organization / ISP
— · VIETELmetro
Window / Updated
2024-02-12 → 2024-02-19 · Updated 2026-01-14 · v2

171.244.204.0/24

Risk Max 1 LOW Footprint 0.391% Hits 2
Prefix / IP version
/24 · IPv4
Network
171.244.204.0
Broadcast
171.244.204.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0278 , 105.834
Hits / Errors
2 hits · 1 errors
First / Last seen
2023-11-02 20:07 · 2023-11-02 20:07
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2023-10-30 → 2023-11-06 · Updated 2026-01-14 · v2

125.235.236.0/24

Risk Max LOW Footprint 1.172% Hits 5
Prefix / IP version
/24 · IPv4
Network
125.235.236.0
Broadcast
125.235.236.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
10.0361 , 105.7941
Hits / Errors
5 hits · 2 errors
First / Last seen
2025-11-05 10:18 · 2025-11-06 12:29
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2025-11-03 → 2025-11-10 · Updated 2026-01-14 · v2

181.176.93.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.176.93.0
Broadcast
181.176.93.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-12.046 , -77.0305
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-12-14 07:05 · 2025-12-14 23:37
Top ASN
AS262210 · VIETTEL PERÚ S.A.C.
Top organization / ISP
Top geo
Window / Updated
2025-12-08 → 2025-12-15 · Updated 2026-01-14 · v2

181.176.72.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
181.176.72.0
Broadcast
181.176.72.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
-12.046 , -77.0305
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-11-25 04:21 · 2025-11-26 03:17
Top ASN
AS262210 · VIETTEL PERÚ S.A.C.
Top organization / ISP
Top geo
Window / Updated
2025-11-24 → 2025-12-01 · Updated 2026-01-14 · v2

125.212.158.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
125.212.158.0
Broadcast
125.212.158.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
18.6734 , 105.692
Hits / Errors
2 hits · 2 errors
First / Last seen
2025-08-20 00:32 · 2025-08-20 13:56
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-08-18 → 2025-08-25 · Updated 2026-01-14 · v2

116.99.250.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
116.99.250.0
Broadcast
116.99.250.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
22.4151 , 104.807
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-05 08:16 · 2025-05-08 00:25
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

171.224.180.0/24

Risk Max LOW Footprint 0.781% Hits 2
Prefix / IP version
/24 · IPv4
Network
171.224.180.0
Broadcast
171.224.180.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
2 hits · 0 errors
First / Last seen
2025-05-06 06:48 · 2025-05-06 08:55
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

117.5.218.0/24

Risk Max LOW Footprint 0.391% Hits 62
Prefix / IP version
/24 · IPv4
Network
117.5.218.0
Broadcast
117.5.218.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
62 hits · 0 errors
First / Last seen
2025-05-04 17:42 · 2025-05-04 17:44
Top ASN
AS7552 · Viettel Group
Top organization / ISP
— · VIETTEL
Top geo
Window / Updated
2025-04-28 → 2025-05-05 · Updated 2026-01-14 · v2

171.234.8.0/24

Risk Max LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
171.234.8.0
Broadcast
171.234.8.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
12.6675 , 108.0378
Hits / Errors
46 hits · 0 errors
First / Last seen
2025-07-19 16:26 · 2025-07-19 16:26
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-07-14 → 2025-07-21 · Updated 2026-01-14 · v2

116.104.191.0/24

Risk Max LOW Footprint 0.391% Hits 46
Prefix / IP version
/24 · IPv4
Network
116.104.191.0
Broadcast
116.104.191.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
46 hits · 0 errors
First / Last seen
2025-06-25 01:57 · 2025-06-25 01:57
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2025-06-23 → 2025-06-30 · Updated 2026-01-14 · v2

117.5.33.0/24

Risk Max LOW Footprint 0.391% Hits 44
Prefix / IP version
/24 · IPv4
Network
117.5.33.0
Broadcast
117.5.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0184 , 105.84609999999999
Hits / Errors
44 hits · 0 errors
First / Last seen
2024-11-07 16:53 · 2024-11-07 16:58
Top ASN
AS7552 · Viettel Group
Top organization / ISP
— · VIETTEL
Top geo
Window / Updated
2024-11-04 → 2024-11-11 · Updated 2026-01-14 · v2

196.249.96.0/24

Risk Max LOW Footprint 0.391% Hits 34
Prefix / IP version
/24 · IPv4
Network
196.249.96.0
Broadcast
196.249.96.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.827 , 39.2675
Hits / Errors
34 hits · 0 errors
First / Last seen
2024-10-05 01:17 · 2024-10-05 01:19
Top ASN
AS327885 · Viettel Tanzania PLC
Top organization / ISP
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

171.250.164.0/24

Risk Max LOW Footprint 0.391% Hits 33
Prefix / IP version
/24 · IPv4
Network
171.250.164.0
Broadcast
171.250.164.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
33 hits · 0 errors
First / Last seen
2025-05-08 12:14 · 2025-05-08 12:35
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-05-05 → 2025-05-12 · Updated 2026-01-14 · v2

115.76.108.0/24

Risk Max LOW Footprint 0.391% Hits 29
Prefix / IP version
/24 · IPv4
Network
115.76.108.0
Broadcast
115.76.108.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
29 hits · 2 errors
First / Last seen
2025-01-13 18:39 · 2025-01-14 12:25
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-01-13 → 2025-01-20 · Updated 2026-01-14 · v2

116.98.246.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
116.98.246.0
Broadcast
116.98.246.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.5941 , 105.8432
Hits / Errors
20 hits · 0 errors
First / Last seen
2025-09-14 13:26 · 2025-09-14 13:27
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-09-08 → 2025-09-15 · Updated 2026-01-14 · v2

117.1.81.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
117.1.81.0
Broadcast
117.1.81.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
20 hits · 0 errors
First / Last seen
2025-04-12 14:10 · 2025-04-12 18:42
Top ASN
AS7552 · Viettel Group
Top organization / ISP
— · VIETTEL
Top geo
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

125.235.185.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
125.235.185.0
Broadcast
125.235.185.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.62570000000001
Hits / Errors
20 hits · 9 errors
First / Last seen
2024-12-13 12:24 · 2024-12-13 12:43
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2024-12-09 → 2024-12-16 · Updated 2026-01-14 · v2

171.244.33.0/24

Risk Max LOW Footprint 0.391% Hits 20
Prefix / IP version
/24 · IPv4
Network
171.244.33.0
Broadcast
171.244.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0278 , 105.83400000000002
Hits / Errors
20 hits · 18 errors
First / Last seen
2023-12-24 21:56 · 2023-12-24 21:57
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2023-12-18 → 2023-12-25 · Updated 2026-01-14 · v2

27.74.25.0/24

Risk Max LOW Footprint 0.391% Hits 19
Prefix / IP version
/24 · IPv4
Network
27.74.25.0
Broadcast
27.74.25.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
19 hits · 1 errors
First / Last seen
2025-01-12 14:52 · 2025-01-12 14:52
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-01-06 → 2025-01-13 · Updated 2026-01-14 · v2

171.242.193.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
171.242.193.0
Broadcast
171.242.193.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
18 hits · 0 errors
First / Last seen
2025-03-11 08:40 · 2025-03-11 08:42
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-03-10 → 2025-03-17 · Updated 2026-01-14 · v2

27.78.33.0/24

Risk Max LOW Footprint 0.391% Hits 18
Prefix / IP version
/24 · IPv4
Network
27.78.33.0
Broadcast
27.78.33.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
18 hits · 4 errors
First / Last seen
2024-10-12 19:02 · 2024-10-12 19:19
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

27.74.249.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
27.74.249.0
Broadcast
27.74.249.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
17 hits · 0 errors
First / Last seen
2025-10-15 05:11 · 2025-10-15 05:11
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-10-13 → 2025-10-20 · Updated 2026-01-14 · v2

175.100.40.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
175.100.40.0
Broadcast
175.100.40.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
11.5583 , 104.9121
Hits / Errors
17 hits · 2 errors
First / Last seen
2025-02-10 20:30 · 2025-02-10 20:30
Window / Updated
2025-02-10 → 2025-02-17 · Updated 2026-01-14 · v2

125.235.125.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
125.235.125.0
Broadcast
125.235.125.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
17 hits · 0 errors
First / Last seen
2024-10-08 20:46 · 2024-10-08 20:51
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2024-10-07 → 2024-10-14 · Updated 2026-01-14 · v2

196.249.99.0/24

Risk Max LOW Footprint 0.391% Hits 17
Prefix / IP version
/24 · IPv4
Network
196.249.99.0
Broadcast
196.249.99.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
-6.827 , 39.2675
Hits / Errors
17 hits · 2 errors
First / Last seen
2024-10-05 01:01 · 2024-10-05 01:02
Top ASN
AS327885 · Viettel Tanzania PLC
Top organization / ISP
Window / Updated
2024-09-30 → 2024-10-07 · Updated 2026-01-14 · v2

171.243.48.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
171.243.48.0
Broadcast
171.243.48.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-10-05 15:28 · 2025-10-05 15:29
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-09-29 → 2025-10-06 · Updated 2026-01-14 · v2

171.236.215.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
171.236.215.0
Broadcast
171.236.215.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
16 hits · 0 errors
First / Last seen
2025-07-04 13:42 · 2025-07-04 13:43
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-06-30 → 2025-07-07 · Updated 2026-01-14 · v2

171.253.131.0/24

Risk Max LOW Footprint 0.391% Hits 16
Prefix / IP version
/24 · IPv4
Network
171.253.131.0
Broadcast
171.253.131.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
16 hits · 8 errors
First / Last seen
2024-12-21 22:24 · 2024-12-21 22:50
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2024-12-16 → 2024-12-23 · Updated 2026-01-14 · v2

171.232.3.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
171.232.3.0
Broadcast
171.232.3.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-10 16:01 · 2025-04-10 16:03
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-04-07 → 2025-04-14 · Updated 2026-01-14 · v2

171.250.162.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
171.250.162.0
Broadcast
171.250.162.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-04-03 19:04 · 2025-04-03 19:05
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Window / Updated
2025-03-31 → 2025-04-07 · Updated 2026-01-14 · v2

27.68.139.0/24

Risk Max LOW Footprint 0.391% Hits 15
Prefix / IP version
/24 · IPv4
Network
27.68.139.0
Broadcast
27.68.139.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
21.0184 , 105.8461
Hits / Errors
15 hits · 0 errors
First / Last seen
2025-01-23 13:12 · 2025-01-23 13:15
Top ASN
AS7552 · Viettel Group
Top organization / ISP
Top geo
Window / Updated
2025-01-20 → 2025-01-27 · Updated 2026-01-14 · v2
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