47.77.20.0/22 - ALIBABA CN NET Alibaba US Technology (AS45102)
CIDR
47.77.20.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇧🇷 Brazil
City
São Paulo
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 47.77.20.0/22 | AS45102 ALIBABA-CN-NET Alibaba US Technology Co., Ltd. | Valid | Other IRR | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 47.77.16.0/21 | AS45102 ALIBABA-CN-NET Alibaba US Technology Co., Ltd. | Valid | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS45102 | Other IRR | MAINT-HGC-INTL | 2026-10-02 |
Transfer History
Registry transfers of 47.77.20.0/22, blocks inside it, or blocks containing it.
- 47.76.0.0/14Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 47.76.0.0/14 | Transfer |
Related Prefixes
More prefixes of AS45102
All prefixes of AS45102 →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 ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/47.77.20.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/47.77.20.0/22" | jq
External Links