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.

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Active filter: Aichi · Clear

Snapshot 2026-03-10 Results 31 Page 1 / 1

220.151.9.0/24

Risk Max — LOW Footprint 0.781% Hits 5

Prefix / IP version

/24 · IPv4

Network

220.151.9.0

Broadcast

220.151.9.255

Observed IPs / Subnet size

2 observed · 256 total

Centroid

35.1927 , 136.98380000000003

Hits / Errors

5 hits · 0 errors

First / Last seen

2026-02-24 02:00 · 2026-02-26 02:00

Top ASN

AS17506 · ARTERIA Networks Corporation

Top organization / ISP

MSK Software Inc. · UCOM Corp.

Top geo

Japan · Aichi · Obataminami

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

116.12.3.0/24

Risk Max — LOW Footprint 0.781% Hits 4

Prefix / IP version

/24 · IPv4

Network

116.12.3.0

Broadcast

116.12.3.255

Observed IPs / Subnet size

2 observed · 256 total

Centroid

35.2371 , 136.9719

Hits / Errors

4 hits · 0 errors

First / Last seen

2026-02-24 02:00 · 2026-02-26 02:00

Top ASN

AS17698 · COMMUNITY NETWORK CENTER INCORPORATED.

Top organization / ISP

Community Network Center Inc. · Community Network Center Incorporated.

Top geo

Japan · Aichi · Kasugai

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

49.109.140.0/24

Risk Max — LOW Footprint 0.391% Hits 3

Prefix / IP version

/24 · IPv4

Network

49.109.140.0

Broadcast

49.109.140.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1368 , 137.052

Hits / Errors

3 hits · 0 errors

First / Last seen

2026-02-26 02:00 · 2026-02-27 02:00

Top ASN

AS9605 · NTT DOCOMO, INC.

Top organization / ISP

NTTDoCoMo · NTT Docomo, inc.

Top geo

Japan · Aichi · Nisshin

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

219.112.56.0/24

Risk Max — LOW Footprint 0.391% Hits 3

Prefix / IP version

/24 · IPv4

Network

219.112.56.0

Broadcast

219.112.56.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.3316 , 136.87

Hits / Errors

3 hits · 0 errors

First / Last seen

2026-02-25 02:00 · 2026-02-26 02:00

Top ASN

AS4686 · BEKKOAME INTERNET INC.

Top organization / ISP

FreeBit Co., Ltd. · Japan Network Information Center

Top geo

Japan · Aichi · Kōnan

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

125.2.163.0/24

Risk Max — LOW Footprint 0.391% Hits 3

Prefix / IP version

/24 · IPv4

Network

125.2.163.0

Broadcast

125.2.163.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1803 , 136.8942

Hits / Errors

3 hits · 0 errors

First / Last seen

2026-02-24 02:00 · 2026-02-25 02:00

Top ASN

AS9354 · Community Network Center Inc.

Top organization / ISP

Himawari Network Inc. · Community Network Center Inc.

Top geo

Japan · Aichi · Sannomaru

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

14.11.65.0/24

Risk Max — LOW Footprint 0.391% Hits 3

Prefix / IP version

/24 · IPv4

Network

14.11.65.0

Broadcast

14.11.65.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.3082 , 136.8024

Hits / Errors

3 hits · 0 errors

First / Last seen

2026-02-24 02:00 · 2026-02-25 02:00

Top ASN

AS2516 · KDDI CORPORATION

Top organization / ISP

KDDI · Kddi Corporation

Top geo

Japan · Aichi · Ichinomiya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

60.87.157.0/24

Risk Max — LOW Footprint 0.391% Hits 3

Prefix / IP version

/24 · IPv4

Network

60.87.157.0

Broadcast

60.87.157.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.7667 , 137.383

Hits / Errors

3 hits · 0 errors

First / Last seen

2026-02-23 02:00 · 2026-02-24 02:00

Top ASN

AS17676 · SoftBank Corp.

Top organization / ISP

Japan Nation-wide Network of Softbank Corp. · SoftBank Corp.

Top geo

Japan · Aichi · Toyohashi

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

124.18.233.0/24

Risk Max — LOW Footprint 0.391% Hits 3

Prefix / IP version

/24 · IPv4

Network

124.18.233.0

Broadcast

124.18.233.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.9534 , 137.1586

Hits / Errors

3 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS18126 · Chubu Telecommunications Company, Inc.

Top organization / ISP

Chubu Telecommunications Co., Inc. · Chubu Telecommunications Company, Inc.

Top geo

Japan · Aichi · Okazaki

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

180.60.139.0/24

Risk Max — LOW Footprint 0.391% Hits 3

Prefix / IP version

/24 · IPv4

Network

180.60.139.0

Broadcast

180.60.139.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.2324 , 137.0992

Hits / Errors

3 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS4713 · NTT DOCOMO BUSINESS,Inc.

Top organization / ISP

NTT Communications Corporation · NTT Communications Corporation

Top geo

Japan · Aichi · Seto

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

116.82.235.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

116.82.235.0

Broadcast

116.82.235.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1796 , 136.9166

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-27 02:00 · 2026-02-28 02:00

Top ASN

AS2527 · Sony Network Communications Inc.

Top organization / ISP

Sony Network Communications Inc. · Sony Network Communications Inc

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

60.89.1.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

60.89.1.0

Broadcast

60.89.1.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.7667 , 137.383

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-26 02:00 · 2026-02-27 02:00

Top ASN

AS17676 · SoftBank Corp.

Top organization / ISP

Japan Nation-wide Network of Softbank Corp. · SoftBank Corp.

Top geo

Japan · Aichi · Toyohashi

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

114.158.208.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

114.158.208.0

Broadcast

114.158.208.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1796 , 136.9166

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-25 02:00 · 2026-02-26 02:00

Top ASN

AS4713 · NTT DOCOMO BUSINESS,Inc.

Top organization / ISP

Open Computer Network · NTT Communications Corporation

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

150.9.148.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

150.9.148.0

Broadcast

150.9.148.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1796 , 136.9166

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-25 02:00 · 2026-02-26 02:00

Top ASN

AS4685 · Asahi Net

Top organization / ISP

Internet Numbers Authority · Internet Numbers Authority

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

180.198.147.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

180.198.147.0

Broadcast

180.198.147.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1926 , 136.906

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-25 02:00 · 2026-02-26 02:00

Top ASN

AS18126 · Chubu Telecommunications Company, Inc.

Top organization / ISP

Chubu Telecommunications Co., Inc. · Chubu Telecommunications Company, Inc.

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

60.120.201.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

60.120.201.0

Broadcast

60.120.201.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.9583 , 137.081

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-25 02:00 · 2026-02-26 02:00

Top ASN

AS17676 · SoftBank Corp.

Top organization / ISP

Japan Nation-wide Network of Softbank Corp. · SoftBank Corp.

Top geo

Japan · Aichi · Anjo

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

60.88.83.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

60.88.83.0

Broadcast

60.88.83.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.95 , 137.167

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-25 02:00 · 2026-02-26 02:00

Top ASN

AS17676 · SoftBank Corp.

Top organization / ISP

Japan Nation-wide Network of Softbank Corp. · SoftBank Corp.

Top geo

Japan · Aichi · Okazaki

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

153.231.9.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

153.231.9.0

Broadcast

153.231.9.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1796 , 136.9166

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-24 02:00 · 2026-02-25 02:00

Top ASN

AS4713 · NTT DOCOMO BUSINESS,Inc.

Top organization / ISP

Open Computer Network · NTT Communications Corporation

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

59.146.183.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

59.146.183.0

Broadcast

59.146.183.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1926 , 136.906

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-24 02:00 · 2026-02-25 02:00

Top ASN

AS2527 · Sony Network Communications Inc.

Top organization / ISP

Sony Network Communications Inc. · Sony Network Communications Inc

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

119.63.117.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

119.63.117.0

Broadcast

119.63.117.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.8907 , 137.5054

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-23 02:00 · 2026-02-24 02:00

Top ASN

AS9615 · TOYOHASHI CABLE NETWORK INC.

Top organization / ISP

Toyohashi Cable Network Inc. · Toyohashi Cable Network Inc.

Top geo

Japan · Aichi · Shinshiro

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

123.48.47.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

123.48.47.0

Broadcast

123.48.47.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1926 , 136.906

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-23 02:00 · 2026-02-24 02:00

Top ASN

AS18126 · Chubu Telecommunications Company, Inc.

Top organization / ISP

Chubu Telecommunications Co., Inc. · Chubu Telecommunications Company, Inc.

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

124.18.202.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

124.18.202.0

Broadcast

124.18.202.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1926 , 136.906

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-23 02:00 · 2026-02-24 02:00

Top ASN

AS18126 · Chubu Telecommunications Company, Inc.

Top organization / ISP

Chubu Telecommunications Co., Inc. · Chubu Telecommunications Company, Inc.

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

133.207.4.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

133.207.4.0

Broadcast

133.207.4.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1926 , 136.906

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-23 02:00 · 2026-02-24 02:00

Top ASN

AS2518 · BIGLOBE Inc.

Top organization / ISP

NEC BIGLOBE Ltd. · BIGLOBE Inc.

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

60.69.72.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

60.69.72.0

Broadcast

60.69.72.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1831 , 136.8

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-23 02:00 · 2026-02-24 02:00

Top ASN

AS17676 · SoftBank Corp.

Top organization / ISP

Japan Nation-wide Network of Softbank Corp. · SoftBank Corp.

Top geo

Japan · Aichi · Ama

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

103.235.112.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

103.235.112.0

Broadcast

103.235.112.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1521 , 136.708

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS23831 · NISIOWARI CATV CORPORATION

Top organization / ISP

Nishiowari Catv Corporation · Nisiowari Catv Corporation

Top geo

Japan · Aichi · Aisai

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

126.241.10.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

126.241.10.0

Broadcast

126.241.10.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.9583 , 137.081

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS17676 · SoftBank Corp.

Top organization / ISP

SOFTBANK Corp · SoftBank Corp.

Top geo

Japan · Aichi · Anjo

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

133.106.51.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

133.106.51.0

Broadcast

133.106.51.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.9167 , 136.983

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS138384 · Rakuten Mobile Network, Inc.

Top organization / ISP

RMN · Rakuten Mobile, Inc.

Top geo

Japan · Aichi · Takahama

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

14.11.64.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

14.11.64.0

Broadcast

14.11.64.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.3082 , 136.8024

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS2516 · KDDI CORPORATION

Top organization / ISP

KDDI · Kddi Corporation

Top geo

Japan · Aichi · Ichinomiya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

180.198.185.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

180.198.185.0

Broadcast

180.198.185.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.3082 , 136.8024

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS18126 · Chubu Telecommunications Company, Inc.

Top organization / ISP

Chubu Telecommunications Co., Inc. · Chubu Telecommunications Company, Inc.

Top geo

Japan · Aichi · Ichinomiya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

183.77.47.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

183.77.47.0

Broadcast

183.77.47.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

34.9764 , 136.6102

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS4685 · Asahi Net

Top organization / ISP

ASAHI · ASAHI Net, Inc.

Top geo

Japan · Mie · Yokkaichi

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

60.89.147.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

60.89.147.0

Broadcast

60.89.147.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.0027 , 136.864

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS17676 · SoftBank Corp.

Top organization / ISP

Japan Nation-wide Network of Softbank Corp. · SoftBank Corp.

Top geo

Japan · Aichi · Chita

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →

60.89.152.0/24

Risk Max — LOW Footprint 0.391% Hits 1

Prefix / IP version

/24 · IPv4

Network

60.89.152.0

Broadcast

60.89.152.255

Observed IPs / Subnet size

1 observed · 256 total

Centroid

35.1815 , 136.906

Hits / Errors

1 hits · 0 errors

First / Last seen

2026-02-22 02:00 · 2026-02-23 02:00

Top ASN

AS17676 · SoftBank Corp.

Top organization / ISP

Japan Nation-wide Network of Softbank Corp. · SoftBank Corp.

Top geo

Japan · Aichi · Nagoya

Window / Updated

2026-02-23 → 2026-03-02 · Updated 2026-03-03 · v2

Open report →