172.81.192.0/21 - Shenzhen Tencent Computer Systems Company Limited (AS45090)
IPv4APNICannouncedAS45090TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited RPKI Valid
CIDR
172.81.192.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Shanghai
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.81.192.0/21 | AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited | Valid | - | 2026-10-14 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 172.81.192.0/18 | AS45090 TENCENT-NET-AP - Shenzhen Tencent Computer Systems Company Limited | Valid | - | 2026-10-14 |
Transfer History
Registry transfers of 172.81.192.0/21, blocks inside it, or blocks containing it.
- 172.81.192.0/18inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 172.81.192.0/18inter-RIR | Transfer |
Related Prefixes
More prefixes of AS45090
All prefixes of AS45090 →Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/172.81.192.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/172.81.192.0/21" | jq
External Links