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AS24138 China TieTong Telecommunications Corporation

CTTNET - China TieTong Telecommunications Corporation · registered in China

IPv4 addresses587,008172 prefixes · 0.019% of announced IPv4
Rank in China#37largest network in CN by IPv4 space, of 601 · 0.20% of CN
Rank worldwide#518of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryChina5,117 ASNs registered there
Open AS24138 in ASN lookup Look up an IP in this network (36.192.0.1) All networks in China

IPv4 prefixes

All 172 prefixes, in address order.

  • 36.192.0.0/21
  • 43.226.236.0/24
  • 61.232.0.0/22
  • 61.232.4.0/24
  • 61.232.5.0/24
  • 61.232.6.0/23
  • 61.232.8.0/23
  • 61.232.10.0/24
  • 61.232.11.0/24
  • 61.232.12.0/22
  • 61.233.0.0/21
  • 61.233.8.0/23
  • 61.233.10.0/23
  • 61.233.12.0/22
  • 61.233.16.0/22
  • 61.233.20.0/23
  • 61.233.22.0/24
  • 61.233.23.0/24
  • 61.233.24.0/21
  • 61.237.224.0/23
  • 61.237.226.0/23
  • 61.237.228.0/23
  • 61.237.230.0/23
  • 61.237.232.0/24
  • 61.237.233.0/24
  • 61.237.234.0/23
  • 61.237.236.0/22
  • 61.237.252.0/23
  • 61.237.254.0/24
  • 101.36.128.0/18
  • 101.36.232.0/23
  • 101.36.234.0/23
  • 101.36.236.0/22
  • 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
  • 110.96.0.0/19
  • 110.96.32.0/22
  • 110.96.36.0/24
  • 110.96.37.0/24
  • 110.96.38.0/23
  • 110.96.40.0/22
  • 110.96.44.0/22
  • 110.96.48.0/20
  • 110.96.64.0/18
  • 110.96.128.0/18
  • 110.96.192.0/20
  • 110.96.208.0/20
  • 110.96.224.0/19
  • 110.113.0.0/16
  • 110.114.0.0/16
  • 111.132.0.0/21
  • 111.132.8.0/24
  • 111.132.9.0/24
  • 111.132.10.0/23
  • 111.132.12.0/22
  • 111.132.16.0/20
  • 111.132.32.0/21
  • 111.132.40.0/23
  • 111.132.42.0/23
  • 111.132.44.0/22
  • 111.132.48.0/20
  • 111.132.64.0/21
  • 111.132.72.0/21
  • 111.132.80.0/20
  • 111.132.96.0/19
  • 111.132.128.0/17
  • 122.14.192.0/18
  • 122.70.0.0/19
  • 122.70.32.0/21
  • 122.70.40.0/21
  • 122.70.48.0/21
  • 122.70.56.0/21
  • 122.70.64.0/24
  • 122.70.65.0/24
  • 122.70.66.0/23
  • 122.70.68.0/22
  • 122.70.72.0/21
  • 122.70.80.0/20
  • 122.70.96.0/19
  • 122.70.128.0/23
  • 122.70.130.0/23
  • 122.70.132.0/22
  • 122.70.136.0/22
  • 122.70.140.0/23
  • 122.70.142.0/24
  • 122.70.143.0/24
  • 122.70.144.0/24
  • 122.70.145.0/24
  • 122.70.146.0/23
  • 122.70.148.0/22
  • 122.70.152.0/21
  • 122.70.160.0/19
  • 122.70.192.0/24
  • 122.70.193.0/24
  • 122.70.194.0/23
  • 122.70.196.0/22
  • 122.70.200.0/21
  • 122.70.208.0/21
  • 122.70.216.0/22
  • 122.70.220.0/22
  • 122.70.224.0/19
  • 122.71.0.0/18
  • 122.71.64.0/19
  • 122.71.96.0/20
  • 122.71.112.0/21
  • 122.71.120.0/21
  • 122.71.128.0/19
  • 122.71.160.0/20
  • 122.71.176.0/21
  • 122.71.184.0/22
  • 122.71.188.0/24
  • 122.71.189.0/24
  • 122.71.190.0/23
  • 122.71.192.0/18
  • 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
  • 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
  • 222.35.0.0/20
  • 222.35.16.0/23
  • 222.35.18.0/24
  • 222.35.19.0/24
  • 222.35.20.0/24
  • 222.35.21.0/24
  • 222.35.22.0/23
  • 222.35.24.0/22
  • 222.35.28.0/24
  • 222.35.29.0/24
  • 222.35.30.0/23
  • 222.35.32.0/22
  • 222.35.36.0/23
  • 222.35.38.0/23
  • 222.35.40.0/21
  • 222.35.48.0/20
  • 222.35.64.0/24
  • 222.35.65.0/24
  • 222.35.66.0/23
  • 222.35.68.0/22
  • 222.35.72.0/21
  • 222.35.80.0/21
  • 222.35.88.0/22
  • 222.35.92.0/22
  • 222.35.96.0/22
  • 222.35.100.0/22
  • 222.35.104.0/22
  • 222.35.108.0/22
  • 222.35.112.0/21
  • 222.35.120.0/22
  • 222.35.124.0/23
  • 222.35.126.0/23
  • 222.35.128.0/20
  • 222.35.144.0/21
  • 222.35.152.0/21
  • 222.35.160.0/19
  • 222.35.192.0/20
  • 222.35.208.0/21
  • 222.35.216.0/21
  • 222.35.224.0/21
  • 222.35.232.0/21
  • 222.35.240.0/20

Other ASNs named China TieTong Telecommunications Corporation

1 other network uses the same organisation name; together with AS24138 they announce 3,251,712 IPv4 addresses.

ASNNameIPv4 addresses
AS9394CTTNET - China TieTong Telecommunications Corporation CN2,664,704

Similar-sized networks in China

ASNNameIPv4 addresses
AS17962#34 Topway-Net - ShenZhen Topway Video Communication Co. Ltd722,944
AS24547#35 CMNET-V4HEBEI-AS-AP - Hebei Mobile Communication Company Limited721,664
AS9929#36 CUII - CHINA UNICOM Industrial Internet Backbone651,264
AS17638#38 CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT585,728
AS4809#39 CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network574,720
AS56042#40 CMNET-Shanxi-AP - China Mobile communications corporation537,600

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources