103.122.20.0/22
🇹🇼CIDR
103.122.20.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇹🇼 Taiwan
RIR
APNIC
Status
allocated
Allocated
9/10/2018
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.122.20.0/22 | AS154561CEX-AS-AP - CEX Limited | Valid | APNIC | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 103.122.20.0/22 | AS154561 | /24 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS154561 | APNIC | MAINT-CTCSCITECHLIMITED-HK | 4/16/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 103.122.20.0/24 | ðŸ‡ðŸ‡°HK | assigned | |
| 103.122.21.0/24 | ðŸ‡ðŸ‡°HK | assigned | |
| 103.122.23.0/24 | ðŸ‡ðŸ‡°HK | assigned | |
| 103.122.22.0/24 | ðŸ‡ðŸ‡°HK | assigned |
Origin ASN
AS154561
CEX-AS-AP - CEX Limited
Geolocation
Country🇹🇼TaiwanTW
API
Open https://api.ipctl.io/v1/prefix/103.122.20.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.122.20.0/22" | jq
External Links