157.255.32.0/21
🇨🇳CIDR
157.255.32.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 157.255.32.0/21 | AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network | No ROA | — | 5/31/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 157.255.0.0/16 | AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong province | No ROA | — | 5/31/2026 |
| 157.255.33.0/24 | AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network | No ROA | — | 5/31/2026 |
| 157.255.34.0/24 | AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network | No ROA | — | 5/31/2026 |
| 157.255.35.0/24 | AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network | No ROA | — | 5/31/2026 |
| 157.255.39.0/24 | AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/157.255.32.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/157.255.32.0/21" | jq
External Links