AS63791 doornoc

DOORNOC-NET - doornoc · registered in Japan

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in Japan#582largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#46,522of 79,396 networks with IPv4

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

CountryJapan745 ASNs registered there

Open AS63791 in ASN lookup Look up an IP in this network (103.169.144.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

103.169.144.0/23

IPv6 prefixes

All 1 prefix.

2407:a2c0::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS7257#579 MARU-NET OTO GK512

AS55911#580 kazukichi - kazukichi512

AS63781#581 KFNET-AS - Kobayashi Family Net LLP512

AS63794#583 ILKS-NET - ILKS Inc.512

AS63797#584 CUTEIP - CuteIP512

AS63799#585 GHOST - Ghost Network512

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