AS63773 — DUAL-NET - dual&Co. Inc.

Network type: hosting

AS63773 announces 2 IPv4 prefixes covering 1,280 addresses and 2 IPv6 prefixes.

About this network

The AS handle DUAL-NET is held by dual&Co. Inc.

What it's used for

• The address space carries corporate infrastructure, evidenced by the netnames BIRDIE-CIDR-BLK-JP and DUAL-NET registered with the Japan Network Information Center.
• The network announces 1280 IPv4 addresses across 2 prefixes and 3 IPv6 prefixes, with only 2 observed routing neighbours, indicating a small-scale internal or business network rather than a transit or access provider.
• Traffic from this AS consists of business endpoints and internal services for dual&Co. Inc., a Japanese company operating in the digital content and technology sector.

Notable

• Registrants for both announced IPv4 prefixes are listed as Japan Network Information Center, consistent with the announcer's identity as a Japanese entity.
• The address inventory is compact, comprising one /22 and one /24 in IPv4, alongside three IPv6 prefixes including a large /33 block.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 103.96.229.0/24
• 202.226.40.0/22
• 2001:df1:e500::/48
• 2404:e040::/32

Upstream networks

• AS2497 Internet Initiative Japan Inc.

Downstream networks

• AS55911 kazukichi

Adjacent networks

• AS2497 Internet Initiative Japan Inc.
• AS55911 kazukichi

Routing security

• RPKI: 0 valid, 0 invalid and 4 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-BBIX-T, AS-BBIX-T-V6, AS-GCTR-JP, AS-GIGAINFRA, AS-GIGAINFRA-V6, AS-IIJ, AS-IIJ6, AS-KDD, AS-KDDI6, AS-PACKET, AS-PNAPTOK, AS2497:AS-IIJ, AS2497:AS-IIJ6.