Autonomous System

AS58542 Tianjij,300000

ISPActiveChinaAPNIC

AS58542 (CHINATELECOM-TIANJIN) is an ISP network operated by Tianjij,300000 in China, registered with APNIC. It has 66 IPv4 prefixes with 116,224 addresses and 10 IPv6 prefixes, which makes it the 2,125th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses116,224in 66 prefixes
IPv6 prefixes10≈ 2.5 × 10²⁹ addresses
Size rank#2,125of 82,200 active ASNs
Abuser scoreVery Low0.04% of its addresses flagged · method

Details

OrganizationTianjij,300000
AS nameCHINATELECOM-TIANJIN
Websitechinatelecom.com.cn
Country China (CN)
Network typeISP
RegistryAPNIC
Abuse contactanti-spam@chinatelecom.cn
Registered—
Last updated2020-05-25

IPv4 prefixes

66 prefixes · 116,224 addresses
NetworkAddressesFirst – last address
42.81.0.0/1665,53642.81.0.0 – 42.81.255.255
123.151.48.0/204,096123.151.48.0 – 123.151.63.255
123.151.96.0/204,096123.151.96.0 – 123.151.111.255
180.213.48.0/204,096180.213.48.0 – 180.213.63.255
180.213.112.0/204,096180.213.112.0 – 180.213.127.255
180.213.240.0/204,096180.213.240.0 – 180.213.255.255
123.151.64.0/212,048123.151.64.0 – 123.151.71.255
180.213.56.0/212,048180.213.56.0 – 180.213.63.255
43.241.180.0/221,02443.241.180.0 – 43.241.183.255
103.233.4.0/221,024103.233.4.0 – 103.233.7.255
123.150.76.0/221,024123.150.76.0 – 123.150.79.255
123.151.12.0/221,024123.151.12.0 – 123.151.15.255
123.151.72.0/221,024123.151.72.0 – 123.151.75.255
123.151.76.0/221,024123.151.76.0 – 123.151.79.255
123.151.92.0/221,024123.151.92.0 – 123.151.95.255
123.151.148.0/221,024123.151.148.0 – 123.151.151.255
123.151.152.0/221,024123.151.152.0 – 123.151.155.255
123.151.176.0/221,024123.151.176.0 – 123.151.179.255
180.213.52.0/221,024180.213.52.0 – 180.213.55.255
180.213.64.0/221,024180.213.64.0 – 180.213.67.255
180.213.100.0/221,024180.213.100.0 – 180.213.103.255
123.150.70.0/23512123.150.70.0 – 123.150.71.255
123.150.72.0/23512123.150.72.0 – 123.150.73.255
123.151.10.0/23512123.151.10.0 – 123.151.11.255
123.151.26.0/23512123.151.26.0 – 123.151.27.255
The 25 largest of 66. The API and the database have all of them.

IPv6 prefixes

10 prefixes
  • 240e:928::/32
  • 240e:92a::/32
  • 240e:92b::/32
  • 240e:5:2000::/35
  • 240e:928:1400::/40
  • 240e:980:9600::/40
  • 240e:981:9000::/40
  • 240e:95:8001::/48
  • 240e:108:1090::/48
  • 240e:928:400::/48

Query AS58542 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS58542&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS58542, with or without a key:

curl "https://api.ipapi.is/?q=42.81.0.1"

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