47.122.192.0/19 - ALIBABA CN NET Hangzhou Alibaba Advertising (AS37963)
CIDR
47.122.192.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇨🇳 China
City
Nanjing
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 |
|---|---|---|---|---|
| 47.122.192.0/19 | AS37963 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd. | Valid | APNIC | 2026-10-11 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 47.122.192.0/20 | AS37963 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd. | Valid | - | 2026-10-11 |
| 47.122.208.0/20 | AS37963 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd. | Valid | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 47.112.0.0/12 | AS37963 | /24 | apnic |
Transfer History
Registry transfers of 47.122.192.0/19, blocks inside it, or blocks containing it.
- 47.120.0.0/13inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 47.120.0.0/13inter-RIR | Transfer |
Related Prefixes
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/47.122.192.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/47.122.192.0/19" | jq
External Links