AS24251 — ICNTV-NET Iwakuni Cable Network Corporation

AS24251 announces 9 IPv4 prefixes covering 18,432 addresses and 0 IPv6 prefixes.

About this network

The AS handle ICNTV-NET is held by Iwakuni Cable Network Corporation.

What it's used for

• The address space carries residential cable modem traffic, evidenced by reverse DNS entries such as host-255.pool-c08.icn-tv.ne.jp and host-255.dhcpn6.icn-tv.ne.jp.
• The network announces 18432 IPv4 addresses across 12 prefixes and maintains 11 observed neighbours, a ratio consistent with a local access provider rather than a transit carrier.

Notable

• All registrants for the announced prefixes are listed as Japan Network Information Center with the netname ICNTV-NET-CIDR-BLK-JP or ICNTV-NET, aligning with the AS holder.
• The inventory consists of 12 IPv4 prefixes with no IPv6 announcements, reflecting a legacy IPv4-only deployment typical of regional Japanese cable operators.

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

Announced prefixes

• 49.156.4.0/22
• 49.156.8.0/21
• 103.114.180.0/22
• 117.18.192.0/20
• 202.56.64.0/20
• 202.93.144.0/21
• 202.223.4.0/22
• 202.237.80.0/21
• 202.237.88.0/22

Upstream networks

• AS7670 Enecom,Inc.
• AS2516 KDDI CORPORATION
• AS6939 Hurricane Electric LLC
• AS38001 NewMedia Express Pte Ltd
• AS24482 SG.GS

Adjacent networks

• AS7670 Enecom,Inc.
• AS2516 KDDI CORPORATION
• AS6939 Hurricane Electric LLC
• AS24482 SG.GS
• AS38001 NewMedia Express Pte Ltd

Internet exchanges

• JPIX Tokyo — Tokyo, Japan