AS45691 DODO K.K.

DODO-CORE - DODO K.K. · registered in Japan

IPv4 addresses8,44818 prefixes · <0.001% of announced IPv4

Rank in Japan#322largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#9,995of 79,396 networks with IPv4

IPv613 x /32 (856,069 x /48)9 prefixes

CountryJapan745 ASNs registered there

Open AS45691 in ASN lookup Look up an IP in this network (23.137.68.1) All networks in Japan

IPv4 prefixes

All 18 prefixes, in address order.

23.137.68.0/24
23.137.116.0/24
103.20.198.0/23
103.37.88.0/23
103.134.34.0/23
140.235.164.0/22
142.249.204.0/22
155.103.160.0/22
157.10.209.0/24
160.22.228.0/23
160.25.217.0/24
160.236.49.0/24
163.61.206.0/23
163.227.180.0/23
185.217.5.0/24
192.50.132.0/24
193.56.180.0/24
202.47.187.0/24

IPv6 prefixes

All 9 prefixes.

2001:df1:bc0::/48
2001:df3:f6c0::/48
2001:df5:2040::/48
2001:df5:76c0::/48
2401:b420::/32
2a12:f8c1:1::/48
2a12:f8c3:4000::/36
2a12:f8c4::/30
2a13:fc0::/29

Other ASNs named DODO K.K.

1 other network uses the same organisation name; together with AS45691 they announce 9,728 IPv4 addresses.

ASNNameIPv4 addresses

AS63801DODO-NET - DODO K.K. JP1,280

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS173#319 NTTECL-AS - Nippon Telegraph and Telephone Corporation8,704

AS17940#320 CYBERLINKS - CYBER LINKS Co.,Ltd.8,704

AS151387#321 OCTP-NET - OMURA CABLE TELEVISION K.K.8,704

AS7665#323 OKIX - Okayama Prefectural Government8,192

AS17678#324 WIND - Gunma Internet Co,.ltd8,192

AS63770#325 ICSCOE-AS - Industrial Cyber Security Center of Excellence8,192

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