2401:b180:1000::/37 - Hangzhou Alibaba Advertising (AS37963)
CIDR
2401:b180:1000::/37
IP Version
IPv6
Addresses
2475.8Y
Mask
/37
Country
🇨🇳 China
City
Hangzhou (Binjiang Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2401:b180:1000::/37 | AS37963 ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | - | 2026-10-12 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2401:b180::/32 | AS37963 ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | - | 2026-10-12 |
| 2401:b180:1000::/36 | AS37963 ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd. | Valid | - | 2026-10-12 |
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/2401:b180:1000::/37Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2401:b180:1000::/37" | jq
External Links