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.
Search
Active filter:
Mobifone Corporation
·
Clear
Snapshot
2026-03-04
Results
24
Page
1
/
1
59.153.220.0/24
Risk Max
—
LOW
Footprint
3.906
%
Hits
14
Prefix / IP version
/24 · IPv4
Network
59.153.220.0
Broadcast
59.153.220.255
Observed IPs / Subnet size
10
observed ·
256
total
Centroid
21.068999999999996 , 105.81099999999999
Hits / Errors
14
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MobiFone
Top geo
Vietnam
·
Hanoi
·
Tây Hồ
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.156.4.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
103.156.4.0
Broadcast
103.156.4.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
10.822 , 106.62570000000001
Hits / Errors
7
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
Mobifone Gia Lai - Service Company Region 7 - Branch of Mobifone Corp.
·
MOBIFONEGIALAI
Top geo
Vietnam
·
Ho Chi Minh
·
Ho Chi Minh City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
42.1.77.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
42.1.77.0
Broadcast
42.1.77.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
21.018400000000003 , 105.8461
Hits / Errors
7
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
Vietnam Internet Network Information Center
·
Mobifone Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.156.2.0/24
Risk Max
—
LOW
Footprint
2.344
%
Hits
6
Prefix / IP version
/24 · IPv4
Network
103.156.2.0
Broadcast
103.156.2.255
Observed IPs / Subnet size
6
observed ·
256
total
Centroid
10.822000000000001 , 106.62570000000001
Hits / Errors
6
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-01 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
Mobifone Dak Nong - Service Company Region 7 - Branch of Mobifone Corp.
·
MOBIFONEDAKNONG
Top geo
Vietnam
·
Ho Chi Minh
·
Ho Chi Minh City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
42.1.70.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
8
Prefix / IP version
/24 · IPv4
Network
42.1.70.0
Broadcast
42.1.70.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
8
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-03-02 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
Vietnam Internet Network Information Center
·
Mobifone Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
59.153.224.0/24
Risk Max
—
LOW
Footprint
1.953
%
Hits
7
Prefix / IP version
/24 · IPv4
Network
59.153.224.0
Broadcast
59.153.224.255
Observed IPs / Subnet size
5
observed ·
256
total
Centroid
21.018400000000003 , 105.8461
Hits / Errors
7
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-28 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MobiFone
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.156.60.0/24
Risk Max
—
LOW
Footprint
1.562
%
Hits
5
Prefix / IP version
/24 · IPv4
Network
103.156.60.0
Broadcast
103.156.60.255
Observed IPs / Subnet size
4
observed ·
256
total
Centroid
16.228379999999998 , 107.9328
Hits / Errors
5
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-03-02 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone Testing and Maintenance Center - Branch of Corp.
·
MOBIFONEDKSC
Top geo
Vietnam
·
Da Nang City
·
Liên Chiểu
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.156.48.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
103.156.48.0
Broadcast
103.156.48.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
11.5653 , 108.995
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
Mobifone Ninh Thuan - Brancho of Service Company
·
MOBIFONE Corporation
Top geo
Vietnam
·
Khanh Hoa
·
Thành Phố Phan Rang-Tháp Chàm
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
59.153.240.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
3
Prefix / IP version
/24 · IPv4
Network
59.153.240.0
Broadcast
59.153.240.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
21.0184 , 105.84610000000002
Hits / Errors
3
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONE Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
59.153.254.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
59.153.254.0
Broadcast
59.153.254.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-25 02:00 · 2026-02-26 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONEKV9
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
42.1.84.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
42.1.84.0
Broadcast
42.1.84.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
16.0685 , 108.2215
Hits / Errors
2
hits ·
1
errors
First / Last seen
2026-02-23 02:00 · 2026-02-25 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
Vietnam Internet Network Information Center
·
Mobifone Corporation
Top geo
Vietnam
·
Da Nang
·
Da Nang
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
42.1.87.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
42.1.87.0
Broadcast
42.1.87.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
16.0685 , 108.2215
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
Vietnam Internet Network Information Center
·
Mobifone Corporation
Top geo
Vietnam
·
Da Nang
·
Da Nang
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
59.153.231.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
59.153.231.0
Broadcast
59.153.231.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONEKV3
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.156.58.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
2
Prefix / IP version
/24 · IPv4
Network
103.156.58.0
Broadcast
103.156.58.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
16.4619 , 107.595
Hits / Errors
2
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
Mobifone Technology Service Joint Stock Company
·
MOBIFONESERVICE-VNTechnology Service Joint Stock Company
Top geo
Vietnam
·
Thừa Thiên Huế Province
·
Huế
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.199.71.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.199.71.0
Broadcast
103.199.71.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.822 , 106.6257
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-03-01 02:00 · 2026-03-02 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
— ·
MOBIFONEMLMT
Top geo
Vietnam
·
Ho Chi Minh
·
Ho Chi Minh City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.199.36.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.199.36.0
Broadcast
103.199.36.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.822 , 106.6257
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-28 02:00 · 2026-03-01 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONEKV6
Top geo
Vietnam
·
Ho Chi Minh
·
Ho Chi Minh City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.199.42.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.199.42.0
Broadcast
103.199.42.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.822 , 106.6257
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONEKV5
Top geo
Vietnam
·
Ho Chi Minh
·
Ho Chi Minh City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
59.153.228.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
59.153.228.0
Broadcast
59.153.228.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-27 02:00 · 2026-02-28 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONEKV3
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.199.40.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.199.40.0
Broadcast
103.199.40.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.822 , 106.6257
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-26 02:00 · 2026-02-27 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONEKV5
Top geo
Vietnam
·
Ho Chi Minh
·
Ho Chi Minh City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.156.39.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.156.39.0
Broadcast
103.156.39.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
21.0309 , 105.784
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
International Telecomunication Center - Branch of Mobifone Corp.
·
MOBIFONEVTQT
Top geo
Vietnam
·
Hanoi
·
Mai Dich
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.199.23.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.199.23.0
Broadcast
103.199.23.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.7838 , 106.637
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONE
Top geo
Vietnam
·
Ho Chi Minh City (HCMC)
·
Quận Tân Phú
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
59.153.249.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
59.153.249.0
Broadcast
59.153.249.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
21.0184 , 105.8461
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-24 02:00 · 2026-02-25 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONE Corporation
Top geo
Vietnam
·
Hanoi
·
Hanoi
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.199.52.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.199.52.0
Broadcast
103.199.52.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.822 , 106.6257
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-23 02:00 · 2026-02-24 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
MobiFone service company
·
MOBIFONEKV8
Top geo
Vietnam
·
Ho Chi Minh
·
Ho Chi Minh City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
103.199.68.0/24
Risk Max
—
LOW
Footprint
0.391
%
Hits
1
Prefix / IP version
/24 · IPv4
Network
103.199.68.0
Broadcast
103.199.68.255
Observed IPs / Subnet size
1
observed ·
256
total
Centroid
10.822 , 106.6257
Hits / Errors
1
hits ·
0
errors
First / Last seen
2026-02-22 02:00 · 2026-02-23 02:00
Top ASN
AS131429 ·
MOBIFONE Corporation
Top organization / ISP
— ·
MOBIFONEMLMT
Top geo
Vietnam
·
Ho Chi Minh
·
Ho Chi Minh City
Window / Updated
2026-02-23 → 2026-03-02 · Updated
2026-03-03
· v2
Open report →
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