AS37922 Diversitymedia Co.,Ltd.

CATVY - Diversitymedia Co.,Ltd. · registered in Japan

IPv4 addresses9,2162 prefixes · <0.001% of announced IPv4

Rank in Japan#310largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#9,498of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryJapan745 ASNs registered there

Open AS37922 in ASN lookup Look up an IP in this network (103.239.108.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

103.239.108.0/22
118.91.192.0/19

IPv6 prefixes

All 1 prefix.

2406:a3c0::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS63784#307 GSS-NET - Digital Agency9,472

AS7664#308 HARENET - HARENET INC.9,216

AS23775#309 Tamatele-NET - Tamashima TV Inc.9,216

AS45677#311 ICV - Isahaya Cable Media Co.,Ltd9,216

AS131911#312 HCTV-NET - HONJYO CABLE VISION CO., LTD.9,216

AS63798#313 IPA-ENTERNET - Industrial Cyber Security Center of Excellence9,216

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