Autonomous System

AS17638 CHINATELECOM TJ AS AP

BusinessActiveChinaAPNIC

AS17638 (CHINATELECOM-TJ-AS-AP) is a business network operated by CHINATELECOM TJ AS AP in China, registered with APNIC. It has 519 IPv4 prefixes with 1,141,760 addresses and 19 IPv6 prefixes, which makes it the 406th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses1,141,760in 519 prefixes
IPv6 prefixes19≈ 5.5 × 10²⁹ addresses
Size rank#406of 82,558 active ASNs
Abuser scoreLow0.07% of its addresses flagged · method

Details

OrganizationCHINATELECOM TJ AS AP
AS nameCHINATELECOM-TJ-AS-AP
Country China (CN)
Network typeBusiness
RegistryAPNIC
Abuse contactanti-spam@chinatelecom.cn
Registered—
Last updated2020-05-14

IPv4 prefixes

519 prefixes · 1,141,760 addresses
NetworkAddressesFirst – last address
42.80.0.0/15131,07242.80.0.0 – 42.81.255.255
123.150.0.0/15131,072123.150.0.0 – 123.151.255.255
180.212.0.0/15131,072180.212.0.0 – 180.213.255.255
42.122.0.0/1665,53642.122.0.0 – 42.122.255.255
106.47.0.0/1665,536106.47.0.0 – 106.47.255.255
123.150.0.0/1665,536123.150.0.0 – 123.150.255.255
123.151.0.0/1665,536123.151.0.0 – 123.151.255.255
36.106.0.0/1732,76836.106.0.0 – 36.106.127.255
36.106.128.0/1732,76836.106.128.0 – 36.106.255.255
123.151.0.0/1732,768123.151.0.0 – 123.151.127.255
42.122.64.0/1816,38442.122.64.0 – 42.122.127.255
221.238.0.0/1816,384221.238.0.0 – 221.238.63.255
221.238.64.0/1816,384221.238.64.0 – 221.238.127.255
221.238.128.0/1816,384221.238.128.0 – 221.238.191.255
221.238.192.0/1816,384221.238.192.0 – 221.238.255.255
221.239.0.0/1816,384221.239.0.0 – 221.239.63.255
221.239.64.0/1816,384221.239.64.0 – 221.239.127.255
123.150.16.0/204,096123.150.16.0 – 123.150.31.255
125.213.32.0/204,096125.213.32.0 – 125.213.47.255
180.212.64.0/204,096180.212.64.0 – 180.212.79.255
219.150.32.0/204,096219.150.32.0 – 219.150.47.255
219.150.48.0/204,096219.150.48.0 – 219.150.63.255
219.150.64.0/204,096219.150.64.0 – 219.150.79.255
219.150.80.0/204,096219.150.80.0 – 219.150.95.255
219.150.96.0/204,096219.150.96.0 – 219.150.111.255
The 25 largest of 519. The API and the database have all of them.

IPv6 prefixes

19 prefixes
  • 240e:94::/31
  • 240e:328::/32
  • 240e:628::/32
  • 240e:929::/32
  • 240e:5::/33
  • 240e:45::/33
  • 240e:628::/33
  • 240e:628:8000::/33
  • 240e:983:900::/40
  • 240e:108:1290::/44
  • 240e:45:1::/48
  • 240e:108:4161::/48
  • 240e:108:4166::/48
  • 240e:108:4961::/48
  • 240e:628:5::/48
  • 240e:983:900::/48
  • 240e:983:901::/48
  • 240e:983:902::/48
  • 240e:983:903::/48

Query AS17638 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=AS17638&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS17638, with or without a key:

curl "https://api.ipapi.is/?q=42.80.0.1"

Largest networks in China