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
Details
OrganizationCHINATELECOM TJ AS AP
AS nameCHINATELECOM-TJ-AS-AP
Websitechinatelecom.com.cn
Country China (CN)
Network typeBusiness
RegistryAPNIC
Abuse contactanti-spam@chinatelecom.cn
Registered—
Last updated2020-05-14
IPv4 prefixes
519 prefixes · 1,141,760 addresses| Network | Addresses | First – last address |
|---|---|---|
| 42.80.0.0/15 | 131,072 | 42.80.0.0 – 42.81.255.255 |
| 123.150.0.0/15 | 131,072 | 123.150.0.0 – 123.151.255.255 |
| 180.212.0.0/15 | 131,072 | 180.212.0.0 – 180.213.255.255 |
| 42.122.0.0/16 | 65,536 | 42.122.0.0 – 42.122.255.255 |
| 106.47.0.0/16 | 65,536 | 106.47.0.0 – 106.47.255.255 |
| 123.150.0.0/16 | 65,536 | 123.150.0.0 – 123.150.255.255 |
| 123.151.0.0/16 | 65,536 | 123.151.0.0 – 123.151.255.255 |
| 36.106.0.0/17 | 32,768 | 36.106.0.0 – 36.106.127.255 |
| 36.106.128.0/17 | 32,768 | 36.106.128.0 – 36.106.255.255 |
| 123.151.0.0/17 | 32,768 | 123.151.0.0 – 123.151.127.255 |
| 42.122.64.0/18 | 16,384 | 42.122.64.0 – 42.122.127.255 |
| 221.238.0.0/18 | 16,384 | 221.238.0.0 – 221.238.63.255 |
| 221.238.64.0/18 | 16,384 | 221.238.64.0 – 221.238.127.255 |
| 221.238.128.0/18 | 16,384 | 221.238.128.0 – 221.238.191.255 |
| 221.238.192.0/18 | 16,384 | 221.238.192.0 – 221.238.255.255 |
| 221.239.0.0/18 | 16,384 | 221.239.0.0 – 221.239.63.255 |
| 221.239.64.0/18 | 16,384 | 221.239.64.0 – 221.239.127.255 |
| 123.150.16.0/20 | 4,096 | 123.150.16.0 – 123.150.31.255 |
| 125.213.32.0/20 | 4,096 | 125.213.32.0 – 125.213.47.255 |
| 180.212.64.0/20 | 4,096 | 180.212.64.0 – 180.212.79.255 |
| 219.150.32.0/20 | 4,096 | 219.150.32.0 – 219.150.47.255 |
| 219.150.48.0/20 | 4,096 | 219.150.48.0 – 219.150.63.255 |
| 219.150.64.0/20 | 4,096 | 219.150.64.0 – 219.150.79.255 |
| 219.150.80.0/20 | 4,096 | 219.150.80.0 – 219.150.95.255 |
| 219.150.96.0/20 | 4,096 | 219.150.96.0 – 219.150.111.255 |
42.80.0.0/15 123.150.0.0/15 180.212.0.0/15 42.122.0.0/16 106.47.0.0/16 123.150.0.0/16 123.151.0.0/16 36.106.0.0/17 36.106.128.0/17 123.151.0.0/17 42.122.64.0/18 221.238.0.0/18 221.238.64.0/18 221.238.128.0/18 221.238.192.0/18 221.239.0.0/18 221.239.64.0/18 123.150.16.0/20 125.213.32.0/20 180.212.64.0/20 219.150.32.0/20 219.150.48.0/20 219.150.64.0/20 219.150.80.0/20 219.150.96.0/20
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
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"
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