AS24138 — CTTNET China TieTong Telecommunications Corporation

AS24138 announces 36 IPv4 prefixes covering 558,080 addresses and 0 IPv6 prefixes.

About this network

The AS handle CTTNET is held by China TieTong Telecommunications Corporation.

What it's used for

• The address space carries netnames CTTNET and NORTHSTAR, with registrants IRT-CTTNET-CN and North Star Information Hi.tech Ltd. Co. respectively.
• The AS announces 558080 IPv4 addresses across 174 prefixes, while maintaining only 10 observed neighbours. This high address-to-neighbour ratio indicates an access or eyeball network role rather than a transit provider.

Notable

• Registrants include both IRT-CTTNET-CN and North Star Information Hi.tech Ltd. Co., with the latter holding specific blocks like 110.56.0.0/17 and 111.132.128.0/17.
• The inventory consists of 174 IPv4 prefixes with no IPv6 prefixes announced, showing a purely IPv4-based address estate.

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

Announced prefixes

• 36.192.0.0/21
• 43.226.236.0/24
• 45.248.204.0/22
• 61.232.0.0/20
• 61.233.0.0/19
• 61.237.224.0/20
• 61.237.252.0/23
• 61.237.254.0/24
• 101.36.232.0/21
• 103.46.170.0/23
• 103.85.172.0/22
• 103.85.177.0/24
• 103.85.178.0/24
• 103.95.68.0/22
• 103.130.160.0/23
• 103.143.228.0/23
• 110.56.0.0/17
• 110.96.0.0/16
• 110.113.0.0/16
• 110.114.0.0/16
• 110.172.200.0/21
• 111.132.0.0/16
• 119.161.183.0/24
• 122.70.0.0/15
• 122.72.3.0/24
• 122.72.16.0/24
• 122.72.38.0/24
• 122.72.112.0/24
• 123.66.128.0/17
• 161.207.18.0/23
• 211.98.24.0/24
• 211.98.64.0/24
• 211.98.140.0/24
• 221.174.16.0/21
• 221.174.24.0/23
• 222.35.0.0/16

Upstream networks

• AS9394 China TieTong Telecommunications Corporation
• AS56048 China Mobile Communicaitons Corporation

Downstream networks

• AS17964 Beijing Dian-Xin-Tong Network Technologies Co., Ltd.
• AS45058 Golden-Bridge Netcom communication Co.,LTD.
• AS23844 Beijing Guanghuan Xinwang Digital
• AS56019 Beijing ShuJuJia Technology Co., Ltd.
• AS56282 Beijing Internet Harbor Technology Co., Ltd
• AS18118 CITIC Networks Management Co.,Ltd.
• AS131495 Beijing nine cloud infinite network technology co., LTD
• AS59089 NO.18 Building University of Technology

Adjacent networks

• AS9394 China TieTong Telecommunications Corporation
• AS17964 Beijing Dian-Xin-Tong Network Technologies Co., Ltd.
• AS45058 Golden-Bridge Netcom communication Co.,LTD.
• AS23844 Beijing Guanghuan Xinwang Digital
• AS56019 Beijing ShuJuJia Technology Co., Ltd.
• AS56282 Beijing Internet Harbor Technology Co., Ltd
• AS18118 CITIC Networks Management Co.,Ltd.
• AS56048 China Mobile Communicaitons Corporation
• AS131495 Beijing nine cloud infinite network technology co., LTD
• AS59089 NO.18 Building University of Technology