120.133.236.0/22
🇨🇳CIDR
120.133.236.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
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 |
|---|---|---|---|---|
| 120.133.236.0/22 | AS17428CHINA-ABITCOOL - 21Vianet.Co.,Ltd | Valid | RADB | 6/1/2026 |
Covering Prefix
9 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 |
| 120.133.238.0/24 | AS4811CHINANET-SHANGHAI-MAN - China Telecom (Group) | Valid | — | 6/1/2026 |
| 120.133.239.0/24 | AS4811CHINANET-SHANGHAI-MAN - China Telecom (Group) | Valid | — | 6/1/2026 |
| 120.133.237.0/24 | AS4811CHINANET-SHANGHAI-MAN - China Telecom (Group) | Valid | — | 6/1/2026 |
| 120.133.236.0/24 | AS4811CHINANET-SHANGHAI-MAN - China Telecom (Group) | Valid | — | 6/1/2026 |
| 120.133.239.0/24 | AS17621CNCGROUP-SH - China Unicom Shanghai network | Valid | — | 6/1/2026 |
| 120.133.236.0/24 | AS17621CNCGROUP-SH - China Unicom Shanghai network | Valid | — | 6/1/2026 |
| 120.133.237.0/24 | AS17621CNCGROUP-SH - China Unicom Shanghai network | Valid | — | 6/1/2026 |
| 120.133.238.0/24 | AS17621CNCGROUP-SH - China Unicom Shanghai network | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 120.133.224.0/20 | AS4811 | /32 | apnic |
| 120.133.224.0/20 | AS9308 | /32 | apnic |
| 120.133.224.0/20 | AS9802 | /32 | apnic |
| 120.133.224.0/20 | AS17428 | /32 | apnic |
| 120.133.224.0/20 | AS17621 | /32 | apnic |
| 120.133.224.0/20 | AS23724 | /32 | apnic |
| 120.133.224.0/20 | AS24400 | /32 | apnic |
| 120.133.224.0/20 | AS59020 | /32 | apnic |
| 120.133.224.0/20 | AS133111 | /32 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17428 | RADB | MAINT-HGC-INTL | 11/13/2023 |
Origin ASN
AS17428
CHINA-ABITCOOL - 21Vianet.Co.,Ltd
Geolocation
API
Open https://api.ipctl.io/v1/prefix/120.133.236.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/120.133.236.0/22" | jq
External Links