Summary

Country
CN China
Organization 3/f,yi Qing Building,hua Jing Xin Cheng,guangzhou
Domain 21cn.com
Number of IPv4 1,024
Number of IPv6 2.4179× 1025
AS Type ISP
Registry APNIC
Allocated January 01, 1970 (about 56 years ago)
Updated November 05, 2021 (about 3 years ago)

IP Ranges

AS17490 announces 4 IPv4 ranges and 20 IPv6 ranges.

That's a total of 1,024 IPv4 addresses and 2.4179× 1025 IPv6 addresses.

Prefix Organization Size Registry Status
61.28.20.0/24
CN 3/f,yi Qing Building,hua Jing Xin Cheng,guangzhou
256 APNIC ALLOCATED PORTABLE
61.28.22.0/24
CN 3/f,yi Qing Building,hua Jing Xin Cheng,guangzhou
256 APNIC ALLOCATED PORTABLE
61.28.49.0/24
CN 3/f,yi Qing Building,hua Jing Xin Cheng,guangzhou
256 APNIC ALLOCATED PORTABLE
61.28.108.0/24
CN 3/f,yi Qing Building,hua Jing Xin Cheng,guangzhou
256 APNIC ALLOCATED PORTABLE
Prefix Organization Size Registry Status
2401:9a00::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:1::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:2::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:3::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:4::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:5::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:6::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:7::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:8::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:9::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:a::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:b::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:c::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:d::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:e::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:f::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:10::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:11::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:12::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE
2401:9a00:13::/48
CN Room 303, 3th Floor, Tower B, Raycom Info Tech Park,
1.2089× 1024 APNIC ALLOCATED PORTABLE

Peers

AS17490 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.

Upstreams

AS17490 connects to the global Internet via at least 1 upstream provider. In this setup, AS17490 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS17490 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.

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