121.58.64.0/18
🇨🇳CIDR
121.58.64.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇨🇳 China
City
Haikou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.58.64.0/18 | AS151058CT-HAINAN - China Telecom | No ROA | RADB | 6/13/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.58.0.0/17 | AS4134CHINANET-BACKBONE - No.31,Jin-rong Street | No ROA | — | 6/13/2026 |
| 121.58.96.0/19 | AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network | No ROA | — | 6/13/2026 |
| 121.58.112.0/21 | AS151058CT-HAINAN - China Telecom | No ROA | — | 6/13/2026 |
| 121.58.96.0/21 | AS151058CT-HAINAN - China Telecom | No ROA | — | 6/13/2026 |
| 121.58.104.0/21 | AS151058CT-HAINAN - China Telecom | No ROA | — | 6/13/2026 |
| 121.58.120.0/21 | AS151058CT-HAINAN - China Telecom | No ROA | — | 6/13/2026 |
| 121.58.116.0/22 | AS151058CT-HAINAN - China Telecom | No ROA | — | 6/13/2026 |
| 121.58.116.0/23 | AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network | Valid | — | 6/13/2026 |
| 121.58.126.0/23 | AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network | Valid | — | 6/13/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS151058 | RADB | MAINT-AS151058 | 4/16/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.58.92.0/22 | 🇨🇳CN | assigned | |
| 121.58.100.0/22 | 🇨🇳CN | assigned | |
| 121.58.80.0/22 | 🇨🇳CN | assigned | |
| 121.58.84.0/22 | 🇨🇳CN | assigned | |
| 121.58.88.0/22 | 🇨🇳CN | assigned | |
| 121.58.72.0/22 | 🇨🇳CN | assigned | |
| 121.58.68.0/22 | 🇨🇳CN | assigned | |
| 121.58.76.0/22 | 🇨🇳CN | assigned | |
| 121.58.98.0/23 | 🇨🇳CN | assigned | |
| 121.58.66.0/23 | 🇨🇳CN | assigned | |
| 121.58.64.0/24 | 🇨🇳CN | assigned | |
| 121.58.97.0/24 | 🇨🇳CN | assigned | |
| 121.58.65.0/24 | 🇨🇳CN | assigned | |
| 121.58.104.0/25 | 🇨🇳CN | assigned | |
| 121.58.104.128/25 | 🇨🇳CN | assigned | |
| 121.58.105.0/26 | 🇨🇳CN | assigned |
Origin ASN
AS151058
CT-HAINAN - China Telecom
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.58.64.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.58.64.0/18" | jq
External Links