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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: datacomm · Clear
Snapshot 2026-03-21 Results — Page 5 / 5

123.23.231.0/24

Risk Max — LOW Footprint 3.125% Hits 12
Prefix / IP version
/24 · IPv4
Network
123.23.231.0
Broadcast
123.23.231.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
13.376350000000002 , 106.417525
Hits / Errors
12 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.251.0/24

Risk Max — LOW Footprint 3.125% Hits 12
Prefix / IP version
/24 · IPv4
Network
222.253.251.0
Broadcast
222.253.251.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.185.0/24

Risk Max — LOW Footprint 3.125% Hits 11
Prefix / IP version
/24 · IPv4
Network
222.253.185.0
Broadcast
222.253.185.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.17.180.0/24

Risk Max — LOW Footprint 3.125% Hits 10
Prefix / IP version
/24 · IPv4
Network
123.17.180.0
Broadcast
123.17.180.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
20.3207 , 105.04176
Hits / Errors
10 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Nghệ An Province · Kim Sơn
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.23.139.0/24

Risk Max — LOW Footprint 3.125% Hits 9
Prefix / IP version
/24 · IPv4
Network
123.23.139.0
Broadcast
123.23.139.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
21.0394 , 105.793
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Hanoi · Dich Vong
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.17.185.0/24

Risk Max — LOW Footprint 3.125% Hits 8
Prefix / IP version
/24 · IPv4
Network
123.17.185.0
Broadcast
123.17.185.255
Observed IPs / Subnet size
8 observed · 256 total
Centroid
21.30655 , 105.367675
Hits / Errors
8 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Phú Thọ Province · Phú Thọ
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.183.0/24

Risk Max — LOW Footprint 2.734% Hits 15
Prefix / IP version
/24 · IPv4
Network
222.253.183.0
Broadcast
222.253.183.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
15 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.19.187.0/24

Risk Max — LOW Footprint 2.734% Hits 11
Prefix / IP version
/24 · IPv4
Network
123.19.187.0
Broadcast
123.19.187.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
16.0685 , 108.2215
Hits / Errors
11 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Da Nang · Da Nang
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.23.225.0/24

Risk Max — LOW Footprint 2.734% Hits 9
Prefix / IP version
/24 · IPv4
Network
123.23.225.0
Broadcast
123.23.225.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
14.227799999999998 , 106.34813333333334
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.21.17.0/24

Risk Max — LOW Footprint 2.734% Hits 9
Prefix / IP version
/24 · IPv4
Network
123.21.17.0
Broadcast
123.21.17.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.21.26.0/24

Risk Max — LOW Footprint 2.734% Hits 8
Prefix / IP version
/24 · IPv4
Network
123.21.26.0
Broadcast
123.21.26.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.228.0/24

Risk Max — LOW Footprint 2.734% Hits 8
Prefix / IP version
/24 · IPv4
Network
222.253.228.0
Broadcast
222.253.228.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
10.822000000000001 , 106.62570000000002
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.19.181.0/24

Risk Max — LOW Footprint 2.734% Hits 8
Prefix / IP version
/24 · IPv4
Network
123.19.181.0
Broadcast
123.19.181.255
Observed IPs / Subnet size
7 observed · 256 total
Centroid
16.0685 , 108.2215
Hits / Errors
8 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-12 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Da Nang · Da Nang
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.182.0/24

Risk Max — LOW Footprint 2.344% Hits 13
Prefix / IP version
/24 · IPv4
Network
222.253.182.0
Broadcast
222.253.182.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
10.822 , 106.62569999999998
Hits / Errors
13 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.21.31.0/24

Risk Max — LOW Footprint 2.344% Hits 12
Prefix / IP version
/24 · IPv4
Network
123.21.31.0
Broadcast
123.21.31.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
10.821999999999997 , 106.6257
Hits / Errors
12 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.231.0/24

Risk Max — LOW Footprint 2.344% Hits 9
Prefix / IP version
/24 · IPv4
Network
222.253.231.0
Broadcast
222.253.231.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
9 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.23.138.0/24

Risk Max — LOW Footprint 2.344% Hits 8
Prefix / IP version
/24 · IPv4
Network
123.23.138.0
Broadcast
123.23.138.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
21.0394 , 105.793
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Hanoi · Dich Vong
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.23.224.0/24

Risk Max — LOW Footprint 2.344% Hits 8
Prefix / IP version
/24 · IPv4
Network
123.23.224.0
Broadcast
123.23.224.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
13.376350000000002 , 106.417525
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.17.71.0/24

Risk Max — LOW Footprint 2.344% Hits 8
Prefix / IP version
/24 · IPv4
Network
123.17.71.0
Broadcast
123.17.71.255
Observed IPs / Subnet size
6 observed · 256 total
Centroid
20.982612500000002 , 105.6261125
Hits / Errors
8 hits · 1 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Vĩnh Phúc Province · Vĩnh Yên
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.246.0/24

Risk Max — LOW Footprint 1.953% Hits 8
Prefix / IP version
/24 · IPv4
Network
222.253.246.0
Broadcast
222.253.246.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
8 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.192.0/24

Risk Max — LOW Footprint 1.953% Hits 6
Prefix / IP version
/24 · IPv4
Network
222.253.192.0
Broadcast
222.253.192.255
Observed IPs / Subnet size
5 observed · 256 total
Centroid
10.821999999999997 , 106.62570000000001
Hits / Errors
6 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.245.0/24

Risk Max — LOW Footprint 1.562% Hits 4
Prefix / IP version
/24 · IPv4
Network
222.253.245.0
Broadcast
222.253.245.255
Observed IPs / Subnet size
4 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
4 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

123.19.191.0/24

Risk Max — LOW Footprint 1.172% Hits 7
Prefix / IP version
/24 · IPv4
Network
123.19.191.0
Broadcast
123.19.191.255
Observed IPs / Subnet size
3 observed · 256 total
Centroid
16.0685 , 108.2215
Hits / Errors
7 hits · 0 errors
First / Last seen
2026-03-09 02:00 · 2026-03-13 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Da Nang · Da Nang
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

185.134.174.0/24

Risk Max — LOW Footprint 0.781% Hits 3
Prefix / IP version
/24 · IPv4
Network
185.134.174.0
Broadcast
185.134.174.255
Observed IPs / Subnet size
2 observed · 256 total
Centroid
42.2648 , 42.704100000000004
Hits / Errors
3 hits · 0 errors
First / Last seen
2026-03-10 02:00 · 2026-03-11 02:00
Top ASN
AS203448 · Telecom 1 LLC
Top organization / ISP
— · datacomm
Top geo
Georgia · Imereti · Kutaisi
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

185.134.173.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
185.134.173.0
Broadcast
185.134.173.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
42.2648 , 42.7041
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS203448 · Telecom 1 LLC
Top organization / ISP
— · datacomm
Top geo
Georgia · Imereti · Kutaisi
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →

222.253.247.0/24

Risk Max — LOW Footprint 0.391% Hits 1
Prefix / IP version
/24 · IPv4
Network
222.253.247.0
Broadcast
222.253.247.255
Observed IPs / Subnet size
1 observed · 256 total
Centroid
10.822 , 106.6257
Hits / Errors
1 hits · 0 errors
First / Last seen
2026-03-08 02:00 · 2026-03-09 02:00
Top ASN
AS45899 · VNPT Corp
Top organization / ISP
Vietnam Datacommunications Company · VietNam Post and Telecom Corporation
Top geo
Vietnam · Ho Chi Minh · Ho Chi Minh City
Window / Updated
2026-03-09 → 2026-03-16 · Updated 2026-03-18 · v2
Open report →
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