AS24289 — KBN - Kagawa T.V Broadcast Network Co,.Ltd

AS24289 announces 4 IPv4 prefixes covering 10,240 addresses and 1 IPv6 prefixes.

About this network

KBN is the AS handle for Kagawa Broad Network, a regional network service provider in Japan.

What it's used for

• The address space is identified by the netname KBN-NET across all four IPv4 prefixes, indicating a unified corporate estate.
• The AS announces 10240 IPv4 addresses and 1 IPv6 prefix, with 10 observed neighbours, suggesting a role focused on serving local business or enterprise clients rather than mass residential access.

Notable

• All RDAP registrants are listed as Japan Network Information Center (JPNIC), which is standard for Japanese IP allocations and does not indicate a mismatch with the announcer.
• The inventory consists of four IPv4 prefixes and one IPv6 prefix, all registered under the same netname, reflecting a consolidated internal network structure.

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

Announced prefixes

• 103.18.60.0/22
• 126.251.64.0/20
• 202.223.32.0/22
• 203.81.112.0/20
• 2401:dd40:1::/48

Upstream networks

• AS17676 SoftBank Corp.
• AS24482 SG.GS
• AS9304 HGC Global Communications Limited
• AS9002 RETN Limited

Adjacent networks

• AS17676 SoftBank Corp.
• AS24482 SG.GS
• AS9304 HGC Global Communications Limited
• AS9002 RETN Limited

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 6 route objects.
• Listed in as-sets: AS-GIGAINFRA, AS-GIGAINFRA-V6, AS-IIJ, AS-IIJ6, AS-KDD, AS-OCN-V6, AS-OCN-V6, AS-PACNET-DOWNSTREAM-JP, AS-VECTANT, AS2497:AS-IIJ, AS2497:AS-IIJ6.

Internet exchanges

• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• BroadBand Internet eXchange Osaka — Osaka, Japan