AS18081 — KCN Kintetsu Cable Network Co., Ltd.

AS18081 announces 9 IPv4 prefixes covering 442,368 addresses and 1 IPv6 prefixes.

About this network

KCN is the AS handle for Kintetsu Cable Network Co., Ltd.

What it's used for

• The address space carries residential cable and DSL access, evidenced by reverse DNS entries such as user-254127109117.kinet-tv.ne.jp and pon245-254.kcn.ne.jp.
• With 442368 IPv4 addresses announced across 9 prefixes and 25 observed neighbours, the high address-to-neighbour ratio indicates an access network serving end-users rather than a transit provider.

Notable

• All registrants in the RDAP data align with the announcer, consistently listing Kintetsu Cable Network,Ltd under the IRT-KCN-JP handle.
• The address inventory is composed of multiple /16 and /15 blocks, including 117.108.0.0/15 and 61.86.0.0/16, reflecting a large-scale regional deployment.

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

Announced prefixes

• 61.86.0.0/16
• 61.89.0.0/16
• 117.108.0.0/15
• 125.2.32.0/19
• 125.2.64.0/18
• 139.101.0.0/16
• 193.117.0.0/19
• 194.223.192.0/18
• 220.153.0.0/16
• 2404:ec00::/32

Upstream networks

• AS2497 Internet Initiative Japan Inc.
• AS6939 Hurricane Electric LLC
• AS4637 Telstra Global
• AS2516 KDDI CORPORATION
• AS24482 SG.GS
• AS38001 NewMedia Express Pte Ltd
• AS17639 Converge ICT Solutions Inc.
• AS20485 Joint Stock Company TransTeleCom

Downstream networks

• AS10011 advanscope inc.

Adjacent networks

• AS2497 Internet Initiative Japan Inc.
• AS6939 Hurricane Electric LLC
• AS4637 Telstra Global
• AS2516 KDDI CORPORATION
• AS38001 NewMedia Express Pte Ltd
• AS10011 advanscope inc.
• AS24482 SG.GS
• AS20485 Joint Stock Company TransTeleCom
• AS17639 Converge ICT Solutions Inc.

Internet exchanges

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