AS24279 — CAT-V SENDAI CATV CO.,LTD.

Network type: residential

AS24279 announces 7 IPv4 prefixes covering 14,336 addresses and 1 IPv6 prefixes.

About this network

The AS handle CAT-V is held by Sendai CATV Co., Ltd.

What it's used for

• The address space carries residential cable broadband traffic, evidenced by reverse DNS entries such as c133-226-148-0.dhcp.cat-v.ne.jp and c202-162-84-0.dhcp.cat-v.ne.jp.
• The network announces 14,336 IPv4 addresses across 7 prefixes and 1 IPv6 prefix, maintaining 22 observed neighbours, a ratio consistent with an access provider serving local subscribers.

Notable

• All RDAP registrants are listed as Japan Network Information Center (JPNIC), which is standard for Japanese address space allocation, while the netnames (e.g., CAT-V-NET01) confirm the operator's identity.
• The inventory consists of seven distinct IPv4 blocks, including two /20s, one /21, and four /22s, alongside a single /32 IPv6 prefix.

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

Announced prefixes

• 103.13.252.0/22
• 110.232.136.0/22
• 114.31.216.0/21
• 133.226.140.0/22
• 133.226.144.0/20
• 202.162.80.0/20
• 219.100.192.0/22
• 2403:1240::/32

Upstream networks

• AS2497 Internet Initiative Japan Inc.
• AS6939 Hurricane Electric LLC
• AS17676 SoftBank Corp.
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS20485 Joint Stock Company TransTeleCom
• AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC

Adjacent networks

• AS2497 Internet Initiative Japan Inc.
• AS6939 Hurricane Electric LLC
• AS17676 SoftBank Corp.
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC
• AS20485 Joint Stock Company TransTeleCom

Internet exchanges

• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• JPIX Tokyo — Tokyo, Japan
• BroadBand Internet eXchange Singapore — Singapore, Singapore
• BroadBand Internet eXchange Hong Kong — Hong Kong, China