AS17428
21Vianet.Co.,Ltd — 21viamail.com
Summary
| Country |
 China
|
| Organization | 21Vianet.Co.,Ltd |
| Domain | 21viamail.com |
| Number of IPv4 | 15,616 |
| Number of IPv6 | 7.9231× 1028 |
| AS Type | Business |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | November 28, 2023 (about 1 year ago) |
IP Ranges
AS17428 announces 22 IPv4 ranges and 3 IPv6 ranges.
That's a total of 15,616 IPv4 addresses and 7.9231× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.253.204.0/22 |
1802, Citic Square, 1168 Nanjing Rd. (w), Shanghai
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 120.132.224.0/23 |
Guangzhou Gehua Keji
|
512 | APNIC | ALLOCATED NON-PORTABLE |
| 120.132.224.0/24 |
Guangzhou Gehua Keji
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 120.132.224.0/21 |
Guangzhou Gehua Keji
|
2,048 | APNIC | ALLOCATED NON-PORTABLE |
| 120.132.228.0/23 |
Guangzhou Gehua Keji
|
512 | APNIC | ALLOCATED NON-PORTABLE |
| 120.132.230.0/23 |
Guangzhou Gehua Keji
|
512 | APNIC | ALLOCATED NON-PORTABLE |
| 120.132.231.0/24 |
Guangzhou Gehua Keji
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 120.133.240.0/22 |
21ViaNet(China),Inc.
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 120.133.240.0/21 |
21ViaNet(China),Inc.
|
2,048 | APNIC | ALLOCATED PORTABLE |
| 120.133.248.0/22 |
21ViaNet(China),Inc.
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 120.133.252.0/22 |
21ViaNet(China),Inc.
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 182.175.127.0/24 |
21ViaNet(China),Inc.
|
256 | APNIC | ALLOCATED PORTABLE |
| 211.148.17.0/24 |
21ViaNet(China),Inc.
|
256 | APNIC | ALLOCATED PORTABLE |
| 211.148.18.0/23 |
21ViaNet(China),Inc.
|
512 | APNIC | ALLOCATED PORTABLE |
| 211.148.20.0/23 |
21ViaNet(China),Inc.
|
512 | APNIC | ALLOCATED PORTABLE |
| 211.148.20.0/22 |
21ViaNet(China),Inc.
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 211.148.22.0/24 |
21ViaNet(China),Inc.
|
256 | APNIC | ALLOCATED PORTABLE |
| 211.148.24.0/23 |
21ViaNet(China),Inc.
|
512 | APNIC | ALLOCATED PORTABLE |
| 211.148.27.0/24 |
21ViaNet(China),Inc.
|
256 | APNIC | ALLOCATED PORTABLE |
| 211.148.28.0/22 |
21ViaNet(China),Inc.
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 211.148.28.0/24 |
21ViaNet(China),Inc.
|
256 | APNIC | ALLOCATED PORTABLE |
| 211.148.30.0/23 |
21ViaNet(China),Inc.
|
512 | APNIC | ALLOCATED PORTABLE |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2403:a200::/32 |
21ViaNet(China),Inc.
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
| 2403:a200:a100::/48 |
21ViaNet(China),Inc.
|
1.2089× 1024 | APNIC | ALLOCATED PORTABLE |
| 2403:a200:a20f::/48 |
21ViaNet(China),Inc.
|
1.2089× 1024 | APNIC | ALLOCATED PORTABLE |
Peers
AS17428 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
AS17428 connects to the global Internet via at least 4 upstream providers. In this setup, AS17428 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS17428 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.