121.91.200.0/21
ðŸ‡ðŸ‡°CIDR
121.91.200.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
ðŸ‡ðŸ‡° Hong Kong
RIR
APNIC
Status
allocated
Allocated
11/26/2007
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.91.200.0/21 | AS136907HWCLOUDS-AS-AP - HUAWEI CLOUDS | Valid | APNICRADB | 6/13/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.91.200.0/24 | AS136907HWCLOUDS-AS-AP - HUAWEI CLOUDS | Valid | — | 6/13/2026 |
| 121.91.201.0/24 | AS136907HWCLOUDS-AS-AP - HUAWEI CLOUDS | Valid | — | 6/13/2026 |
| 121.91.204.0/24 | AS136907HWCLOUDS-AS-AP - HUAWEI CLOUDS | Valid | — | 6/13/2026 |
| 121.91.205.0/24 | AS136907HWCLOUDS-AS-AP - HUAWEI CLOUDS | Valid | — | 6/13/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 121.91.200.0/21 | AS136907 | /21 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.91.206.0/24 | 🇹ðŸ‡TH | assigned | |
| 121.91.200.0/24 | AS136907 | 🇹ðŸ‡TH | assigned |
| 121.91.203.0/24 | 🇹ðŸ‡TH | assigned | |
| 121.91.205.0/24 | AS136907 | 🇹ðŸ‡TH | assigned |
| 121.91.204.0/24 | AS136907 | 🇹ðŸ‡TH | assigned |
| 121.91.201.0/24 | AS136907 | 🇹ðŸ‡TH | assigned |
| 121.91.202.0/24 | 🇹ðŸ‡TH | assigned | |
| 121.91.207.0/24 | 🇹ðŸ‡TH | assigned |
Origin ASN
AS136907
HWCLOUDS-AS-AP - HUAWEI CLOUDS
Geolocation
CountryðŸ‡ðŸ‡°Hong KongHK
Coordinates22.3964, 114.1095 ↗
API
Open https://api.ipctl.io/v1/prefix/121.91.200.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.91.200.0/21" | jq
External Links