121.14.104.0/21
🇨🇳CIDR
121.14.104.0/21
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 |
|---|---|---|---|---|
| 121.14.104.0/21 | AS4816CHINANET-IDC-GD - China Telecom (Group) | Valid | APNICRADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.8.0.0/13 | AS4134CHINANET-BACKBONE - No.31,Jin-rong Street | No ROA | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 121.14.104.0/21 | AS4816 | /21 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.14.107.0/24 | 🇨🇳CN | assigned | |
| 121.14.110.0/24 | 🇨🇳CN | assigned | |
| 121.14.111.0/24 | 🇨🇳CN | assigned | |
| 121.14.109.0/24 | 🇨🇳CN | assigned | |
| 121.14.108.0/24 | 🇨🇳CN | assigned | |
| 121.14.105.0/24 | 🇨🇳CN | assigned | |
| 121.14.110.48/29 | 🇨🇳CN | assigned | |
| 121.14.110.40/29 | 🇨🇳CN | assigned | |
| 121.14.110.56/30 | 🇨🇳CN | assigned | |
| 121.14.110.36/30 | 🇨🇳CN | assigned | |
| 121.14.110.60/31 | 🇨🇳CN | assigned | |
| 121.14.110.34/31 | 🇨🇳CN | assigned | |
| 121.14.110.62/32 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.14.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.14.104.0/21" | jq
External Links