21vianet(China) Inc.
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 123 · 422,786 IPv4 addresses |
| IPv6 | 6 prefixes (largest 2400:32c0::/32) |
| Record ID | 236369256 |
| Registry | APNIC |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (123)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 58.83.128.0/18 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 59.151.32.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 103.168.98.61/32 | 21vianet | PEERINGDB | ASSIGNED | ● high |
| 103.216.40.21/32 | 21vianet | PEERINGDB | ASSIGNED | ● high |
| 103.253.204.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.132.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.178.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.181.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.224.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.224.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.224.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.226.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.228.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.230.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.231.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.132.240.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.133.0.0/18 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.133.64.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.133.236.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.133.240.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.133.240.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.133.248.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 120.133.252.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.0.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.0.0/17 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.6.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.8.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.32.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.36.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.64.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.96.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.102.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.112.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.244.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.250.248.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.0.0/17 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.8.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.44.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.48.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.64.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.96.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.110.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.120.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.128.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.128.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.132.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.228.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.236.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.237.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.238.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.239.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.240.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 124.251.240.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 182.175.127.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 203.196.0.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 210.77.144.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 210.77.152.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.99.188.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.148.17.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.148.18.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.148.20.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.148.20.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.148.22.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.148.24.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.148.27.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.148.30.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.151.0.0/19 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.151.46.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.151.84.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.151.180.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.151.207.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.151.218.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.151.226.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 211.152.96.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 2403:a200::/32 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 2403:a200:a100::/48 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 2403:a200:a200::/48 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 2403:a200:a20f::/48 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● high |
| 2404:e780:f872:a:1:0:4414:1/128 | 21vianet | PEERINGDB | ASSIGNED | ● high |
| 58.83.252.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 59.151.70.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.132.128.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.132.154.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.132.240.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.0.0/17 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.26.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.48.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.48.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.50.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.52.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.54.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.55.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.56.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.56.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.63.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.64.0/18 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.76.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.133.79.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 120.134.0.0/16 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.250.0.0/16 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.250.16.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.250.24.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.250.192.0/20 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.251.0.0/16 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.251.76.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.251.230.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.251.231.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.251.243.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 124.251.244.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 182.174.0.0/16 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 182.175.0.0/16 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 183.84.2.0/23 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 183.84.4.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 183.84.5.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 183.84.6.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 183.84.7.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 203.196.0.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 211.99.160.0/22 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 211.151.96.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 211.151.104.0/21 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 211.152.127.0/24 | 21vianet(China) Inc. | BGP | ANNOUNCED | ● medium |
| 119.167.248.0/25 | QD-21ViaNet | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2400:32c0::/32 | SH-21VIANET | APNIC | ALLOCATED PORTABLE | ● low |
IPv6 ranges (6)
Footprint over time
11 weekly snapshots · JSON
123
+10 netblocks since 2026-07-05
2026-07-05
peak 123
2026-09-06
Network trust
what's this?
RPKI hygiene: A
how networks compare →
97.6%
of checked blocks have valid RPKI ROA coverage
(120 of 123)
No discrepancies found among checked blocks.
NIC Handles
AC1601-AP
AS17428
AS17428
AS9308
AS9802
DS95-AP
DS95-AP
MAINT-CNCGROUP-SD
MAINT-CNNIC-AP
MAINT-CNNIC-AP
XL442-AP
YZ2222-AP