AS17428 21Vianet.Co. Ltd
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 103.253.204.0/22 | 103.253.204.0 | 103.253.207.255 | 1,024 | |
| 120.132.224.0/24 | 120.132.224.0 | 120.132.224.255 | 256 | |
| 120.132.225.0/24 | 120.132.225.0 | 120.132.225.255 | 256 | |
| 120.132.226.0/23 | 120.132.226.0 | 120.132.227.255 | 512 | |
| 120.132.228.0/23 | 120.132.228.0 | 120.132.229.255 | 512 | |
| 120.132.230.0/24 | 120.132.230.0 | 120.132.230.255 | 256 | |
| 120.132.231.0/24 | 120.132.231.0 | 120.132.231.255 | 256 | |
| 120.133.240.0/22 | 120.133.240.0 | 120.133.243.255 | 1,024 | |
| 120.133.244.0/22 | 120.133.244.0 | 120.133.247.255 | 1,024 | |
| 120.133.248.0/22 | 120.133.248.0 | 120.133.251.255 | 1,024 | |
| 120.133.252.0/22 | 120.133.252.0 | 120.133.255.255 | 1,024 | |
| 182.175.127.0/24 | 182.175.127.0 | 182.175.127.255 | 256 | |
| 211.148.17.0/24 | 211.148.17.0 | 211.148.17.255 | 256 | |
| 211.148.18.0/23 | 211.148.18.0 | 211.148.19.255 | 512 | |
| 211.148.20.0/23 | 211.148.20.0 | 211.148.21.255 | 512 | |
| 211.148.22.0/24 | 211.148.22.0 | 211.148.22.255 | 256 | |
| 211.148.23.0/24 | 211.148.23.0 | 211.148.23.255 | 256 | |
| 211.148.24.0/23 | 211.148.24.0 | 211.148.25.255 | 512 | |
| 211.148.27.0/24 | 211.148.27.0 | 211.148.27.255 | 256 | |
| 211.148.30.0/23 | 211.148.30.0 | 211.148.31.255 | 512 |
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 2403:a200::/33 | 2403:a200:: | 2403:a200:7fff:ffff:ffff:ffff:ffff:ffff | 39.61 Octillion | |
| 2403:a200:8000::/36 | 2403:a200:8000:: | 2403:a200:8fff:ffff:ffff:ffff:ffff:ffff | 4.95 Octillion | |
| 2403:a200:9000::/37 | 2403:a200:9000:: | 2403:a200:97ff:ffff:ffff:ffff:ffff:ffff | 2.48 Octillion | |
| 2403:a200:9800::/40 | 2403:a200:9800:: | 2403:a200:98ff:ffff:ffff:ffff:ffff:ffff | 309.49 Septillion | |
| 2403:a200:9900::/41 | 2403:a200:9900:: | 2403:a200:997f:ffff:ffff:ffff:ffff:ffff | 154.74 Septillion | |
| 2403:a200:9980::/44 | 2403:a200:9980:: | 2403:a200:998f:ffff:ffff:ffff:ffff:ffff | 19.34 Septillion | |
| 2403:a200:9990::/45 | 2403:a200:9990:: | 2403:a200:9997:ffff:ffff:ffff:ffff:ffff | 9.67 Septillion | |
| 2403:a200:9998::/48 | 2403:a200:9998:: | 2403:a200:9998:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2403:a200:999a::/47 | 2403:a200:999a:: | 2403:a200:999b:ffff:ffff:ffff:ffff:ffff | 2.42 Septillion | |
| 2403:a200:999c::/46 | 2403:a200:999c:: | 2403:a200:999f:ffff:ffff:ffff:ffff:ffff | 4.84 Septillion | |
| 2403:a200:99a0::/43 | 2403:a200:99a0:: | 2403:a200:99bf:ffff:ffff:ffff:ffff:ffff | 38.69 Septillion | |
| 2403:a200:99c0::/42 | 2403:a200:99c0:: | 2403:a200:99ff:ffff:ffff:ffff:ffff:ffff | 77.37 Septillion | |
| 2403:a200:9a00::/39 | 2403:a200:9a00:: | 2403:a200:9bff:ffff:ffff:ffff:ffff:ffff | 618.97 Septillion | |
| 2403:a200:9c00::/38 | 2403:a200:9c00:: | 2403:a200:9fff:ffff:ffff:ffff:ffff:ffff | 1.24 Octillion | |
| 2403:a200:a000::/40 | 2403:a200:a000:: | 2403:a200:a0ff:ffff:ffff:ffff:ffff:ffff | 309.49 Septillion | |
| 2403:a200:a100::/48 | 2403:a200:a100:: | 2403:a200:a100:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2403:a200:a101::/48 | 2403:a200:a101:: | 2403:a200:a101:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2403:a200:a102::/47 | 2403:a200:a102:: | 2403:a200:a103:ffff:ffff:ffff:ffff:ffff | 2.42 Septillion | |
| 2403:a200:a104::/46 | 2403:a200:a104:: | 2403:a200:a107:ffff:ffff:ffff:ffff:ffff | 4.84 Septillion | |
| 2403:a200:a108::/45 | 2403:a200:a108:: | 2403:a200:a10f:ffff:ffff:ffff:ffff:ffff | 9.67 Septillion | |
| 2403:a200:a110::/44 | 2403:a200:a110:: | 2403:a200:a11f:ffff:ffff:ffff:ffff:ffff | 19.34 Septillion | |
| 2403:a200:a120::/43 | 2403:a200:a120:: | 2403:a200:a13f:ffff:ffff:ffff:ffff:ffff | 38.69 Septillion | |
| 2403:a200:a140::/42 | 2403:a200:a140:: | 2403:a200:a17f:ffff:ffff:ffff:ffff:ffff | 77.37 Septillion | |
| 2403:a200:a180::/42 | 2403:a200:a180:: | 2403:a200:a1bf:ffff:ffff:ffff:ffff:ffff | 77.37 Septillion | |
| 2403:a200:a1c0::/43 | 2403:a200:a1c0:: | 2403:a200:a1df:ffff:ffff:ffff:ffff:ffff | 38.69 Septillion | |
| 2403:a200:a1e0::/44 | 2403:a200:a1e0:: | 2403:a200:a1ef:ffff:ffff:ffff:ffff:ffff | 19.34 Septillion | |
| 2403:a200:a1f0::/45 | 2403:a200:a1f0:: | 2403:a200:a1f7:ffff:ffff:ffff:ffff:ffff | 9.67 Septillion | |
| 2403:a200:a1f8::/46 | 2403:a200:a1f8:: | 2403:a200:a1fb:ffff:ffff:ffff:ffff:ffff | 4.84 Septillion | |
| 2403:a200:a1fc::/47 | 2403:a200:a1fc:: | 2403:a200:a1fd:ffff:ffff:ffff:ffff:ffff | 2.42 Septillion | |
| 2403:a200:a1fe::/48 | 2403:a200:a1fe:: | 2403:a200:a1fe:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2403:a200:a200::/45 | 2403:a200:a200:: | 2403:a200:a207:ffff:ffff:ffff:ffff:ffff | 9.67 Septillion | |
| 2403:a200:a208::/46 | 2403:a200:a208:: | 2403:a200:a20b:ffff:ffff:ffff:ffff:ffff | 4.84 Septillion | |
| 2403:a200:a20c::/47 | 2403:a200:a20c:: | 2403:a200:a20d:ffff:ffff:ffff:ffff:ffff | 2.42 Septillion | |
| 2403:a200:a20e::/48 | 2403:a200:a20e:: | 2403:a200:a20e:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2403:a200:a20f::/48 | 2403:a200:a20f:: | 2403:a200:a20f:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2403:a200:a210::/44 | 2403:a200:a210:: | 2403:a200:a21f:ffff:ffff:ffff:ffff:ffff | 19.34 Septillion | |
| 2403:a200:a220::/43 | 2403:a200:a220:: | 2403:a200:a23f:ffff:ffff:ffff:ffff:ffff | 38.69 Septillion | |
| 2403:a200:a240::/42 | 2403:a200:a240:: | 2403:a200:a27f:ffff:ffff:ffff:ffff:ffff | 77.37 Septillion | |
| 2403:a200:a280::/42 | 2403:a200:a280:: | 2403:a200:a2bf:ffff:ffff:ffff:ffff:ffff | 77.37 Septillion | |
| 2403:a200:a2c0::/43 | 2403:a200:a2c0:: | 2403:a200:a2df:ffff:ffff:ffff:ffff:ffff | 38.69 Septillion | |
| 2403:a200:a2e0::/44 | 2403:a200:a2e0:: | 2403:a200:a2ef:ffff:ffff:ffff:ffff:ffff | 19.34 Septillion | |
| 2403:a200:a2f0::/45 | 2403:a200:a2f0:: | 2403:a200:a2f7:ffff:ffff:ffff:ffff:ffff | 9.67 Septillion | |
| 2403:a200:a2f8::/46 | 2403:a200:a2f8:: | 2403:a200:a2fb:ffff:ffff:ffff:ffff:ffff | 4.84 Septillion | |
| 2403:a200:a2fc::/47 | 2403:a200:a2fc:: | 2403:a200:a2fd:ffff:ffff:ffff:ffff:ffff | 2.42 Septillion | |
| 2403:a200:a2fe::/48 | 2403:a200:a2fe:: | 2403:a200:a2fe:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2403:a200:a300::/41 | 2403:a200:a300:: | 2403:a200:a37f:ffff:ffff:ffff:ffff:ffff | 154.74 Septillion | |
| 2403:a200:a380::/42 | 2403:a200:a380:: | 2403:a200:a3bf:ffff:ffff:ffff:ffff:ffff | 77.37 Septillion | |
| 2403:a200:a3c0::/43 | 2403:a200:a3c0:: | 2403:a200:a3df:ffff:ffff:ffff:ffff:ffff | 38.69 Septillion | |
| 2403:a200:a3e0::/44 | 2403:a200:a3e0:: | 2403:a200:a3ef:ffff:ffff:ffff:ffff:ffff | 19.34 Septillion | |
| 2403:a200:a3f0::/45 | 2403:a200:a3f0:: | 2403:a200:a3f7:ffff:ffff:ffff:ffff:ffff | 9.67 Septillion | |
| 2403:a200:a3f8::/46 | 2403:a200:a3f8:: | 2403:a200:a3fb:ffff:ffff:ffff:ffff:ffff | 4.84 Septillion | |
| 2403:a200:a3fc::/47 | 2403:a200:a3fc:: | 2403:a200:a3fd:ffff:ffff:ffff:ffff:ffff | 2.42 Septillion | |
| 2403:a200:a3fe::/48 | 2403:a200:a3fe:: | 2403:a200:a3fe:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2403:a200:a400::/38 | 2403:a200:a400:: | 2403:a200:a7ff:ffff:ffff:ffff:ffff:ffff | 1.24 Octillion | |
| 2403:a200:a800::/37 | 2403:a200:a800:: | 2403:a200:afff:ffff:ffff:ffff:ffff:ffff | 2.48 Octillion | |
| 2403:a200:b000::/36 | 2403:a200:b000:: | 2403:a200:bfff:ffff:ffff:ffff:ffff:ffff | 4.95 Octillion | |
| 2403:a200:c000::/34 | 2403:a200:c000:: | 2403:a200:ffff:ffff:ffff:ffff:ffff:ffff | 19.81 Octillion |
Downstreams
There are no downstreams for this ASN.
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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