AS9354 Community Network Center Inc.

TDNC - Community Network Center Inc. · registered in Japan

IPv4 addresses200,44821 prefixes · 0.006% of announced IPv4

Rank in Japan#46largest network in JP by IPv4 space, of 724 · 0.12% of JP

Rank worldwide#1,081of 79,396 networks with IPv4

IPv660,928 x /4813 prefixes

CountryJapan745 ASNs registered there

Open AS9354 in ASN lookup Look up an IP in this network (2.17.16.1) All networks in Japan

IPv4 prefixes

All 21 prefixes, in address order.

2.17.16.0/22
27.113.224.0/20
61.87.64.0/18
103.40.104.0/22
103.131.120.0/22
125.2.128.0/18
125.2.192.0/20
133.149.80.0/20
157.5.0.0/19
202.157.224.0/19
210.158.144.0/20
210.251.192.0/19
211.1.192.0/19
211.2.64.0/18
219.99.0.0/19
219.100.224.0/23
219.100.226.0/24
219.118.128.0/19
221.118.0.0/16
222.229.96.0/19
223.252.64.0/19

IPv6 prefixes

All 13 prefixes.

2405:7000::/38
2405:7000:500::/40
2405:7000:600::/39
2405:7000:800::/37
2405:7000:1000::/36
2405:7000:2000::/37
2405:7000:2800::/38
2405:7000:2d00::/40
2405:7000:2e00::/39
2405:7000:3000::/36
2405:7000:4000::/35
2405:7000:7000::/36
2405:7000:8000::/33

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS7687#43 D-CRUISENET - TOYOTA SYSTEMS CORPORATION200,960

AS2501#44 UTnet - The University of Tokyo200,704

AS4686#45 BEKKOAME - BEKKOAME INTERNET INC.200,448

AS23793#47 AIST - National Institute of Advanced Industrial Science and Technology199,936

AS9619#48 SSD - Sony Global Solutions Inc.199,680

AS7514#49 MEX - Computer Engineering & Consulting, Ltd.192,000

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources