120.133.48.0/21
🇨🇳CIDR
120.133.48.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Chaowai (Chaoyang)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 120.133.48.0/21 | AS56048CMNET-BEIJING-AP - China Mobile Communicaitons Corporation | Valid | RADB | 6/1/2026 |
Covering Prefix
11 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 120.133.0.0/16 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | No ROA | — | 6/1/2026 |
| 120.133.0.0/17 | AS9308CHINA-ABITCOOL - Abitcool(China) Inc. | Valid | — | 6/1/2026 |
| 120.133.0.0/18 | AS9308CHINA-ABITCOOL - Abitcool(China) Inc. | Valid | — | 6/1/2026 |
| 120.133.0.0/18 | AS9802CHINA-ABITCOOL - Abitcool(China) Inc. | Valid | — | 6/1/2026 |
| 120.133.48.0/20 | AS4808CHINA169-BJ - China Unicom Beijing Province Network | Valid | — | 6/1/2026 |
| 120.133.48.0/20 | AS23724CHINANET-IDC-BJ-AP - IDC, China Telecommunications Corporation | Valid | — | 6/1/2026 |
| 120.133.51.0/24 | AS4835CHINANET-IDC-SN - China Telecom (Group) | Valid | — | 6/1/2026 |
| 120.133.55.0/24 | AS9308CHINA-ABITCOOL - Abitcool(China) Inc. | Valid | — | 6/1/2026 |
| 120.133.48.0/24 | AS9308CHINA-ABITCOOL - Abitcool(China) Inc. | Valid | — | 6/1/2026 |
| 120.133.50.0/24 | AS9308CHINA-ABITCOOL - Abitcool(China) Inc. | Valid | — | 6/1/2026 |
| 120.133.54.0/24 | AS9308CHINA-ABITCOOL - Abitcool(China) Inc. | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 120.133.0.0/17 | AS4808 | /32 | apnic |
| 120.133.0.0/17 | AS4835 | /32 | apnic |
| 120.133.0.0/17 | AS4847 | /32 | apnic |
| 120.133.0.0/17 | AS9308 | /32 | apnic |
| 120.133.0.0/17 | AS9802 | /32 | apnic |
| 120.133.0.0/17 | AS9808 | /32 | apnic |
| 120.133.0.0/17 | AS17428 | /32 | apnic |
| 120.133.0.0/17 | AS23724 | /32 | apnic |
| 120.133.0.0/17 | AS56048 | /32 | apnic |
| 120.133.0.0/17 | AS59020 | /32 | apnic |
| 120.133.0.0/17 | AS133111 | /32 | apnic |
| 120.133.0.0/17 | AS133119 | /32 | apnic |
| 120.133.0.0/17 | AS141679 | /32 | apnic |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/120.133.48.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/120.133.48.0/21" | jq
External Links