AS18126 — CTCX Chubu Telecommunications Company, Inc.

Network type: residential

AS18126 announces 45 IPv4 prefixes covering 1,505,536 addresses and 2 IPv6 prefixes.

About this network

The AS handle CTCX is held by Chubu Telecommunications Company, Inc.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as area2b.commufa.jp and area61a.commufa.jp.
• The network announces 1,505,536 IPv4 addresses across 45 prefixes and 2 IPv6 prefixes, with 24 observed neighbours, indicating a large access network serving end-users.

Notable

• Registrants for the largest prefixes are listed as Japan Network Information Center with netnames commufa-CIDR-BLK-JP and KDDI-CIDR-BLK-JP, reflecting the historical allocation of this space.
• The address inventory is extensive, including large blocks like 115.36.0.0/14 and 180.196.0.0/14, consistent with a major regional ISP.

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

Announced prefixes

• 14.132.0.0/15
• 14.192.32.0/20
• 45.114.16.0/22
• 45.119.164.0/22
• 59.130.0.0/16
• 103.2.20.0/22
• 103.41.136.0/22
• 103.44.84.0/22
• 103.64.132.0/22
• 112.137.56.0/21
• 113.155.0.0/16
• 115.36.0.0/14
• 118.104.0.0/15
• 118.106.0.0/16
• 123.1.0.0/17
• 123.48.0.0/16
• 124.18.0.0/16
• 133.88.227.0/24
• 133.88.228.0/22
• 133.88.232.0/21
• 133.88.240.0/20
• 150.49.0.0/17
• 150.49.128.0/18
• 150.49.192.0/19
• 150.49.224.0/20
• 150.49.240.0/21
• 150.49.248.0/22
• 150.49.252.0/23
• 162.4.98.0/23
• 163.46.0.0/16
• 180.196.0.0/14
• 202.41.208.0/20
• 202.62.160.0/20
• 202.124.0.0/20
• 202.124.208.0/20
• 202.142.224.0/19
• 202.150.48.0/21
• 203.129.112.0/20
• 203.209.176.0/22
• 210.173.144.0/20
• 218.216.176.0/20
• 219.8.0.0/16
• 219.117.32.0/20
• 222.9.0.0/16
• 223.29.0.0/17
• 2001:f58::/32
• 2402:6b00::/32

Upstream networks

• AS2914 NTT America, Inc.
• AS2497 Internet Initiative Japan Inc.
• AS2519 ARTERIA Networks Corporation
• AS6939 Hurricane Electric LLC
• AS2516 KDDI CORPORATION
• AS24482 SG.GS
• AS38001 NewMedia Express Pte Ltd
• AS17639 Converge ICT Solutions Inc.

Downstream networks

• AS146985 KISSEI COMTEC Co.,Ltd

Adjacent networks

• AS2914 NTT America, Inc.
• AS2497 Internet Initiative Japan Inc.
• AS2519 ARTERIA Networks Corporation
• AS6939 Hurricane Electric LLC
• AS2516 KDDI CORPORATION
• AS24482 SG.GS
• AS38001 NewMedia Express Pte Ltd
• AS17639 Converge ICT Solutions Inc.
• AS146985 KISSEI COMTEC Co.,Ltd

Internet exchanges

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