210.203.56.0/21
🇹🇼CIDR
210.203.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇹🇼 Taiwan
City
Taipei
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.203.56.0/21 | AS17709APT - Asia Pacific Telecom | Valid | RADB | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.203.0.0/17 | AS7482APOL-AS - Asia Pacific On-line Service Inc. | Valid | — | 6/1/2026 |
| 210.203.0.0/18 | AS7482APOL-AS - Asia Pacific On-line Service Inc. | Valid | — | 6/1/2026 |
| 210.203.56.0/22 | AS131584TAIFO-AS-TW - Taiwan Intelligent Fiber Optic Network Co.,Ltd. | Valid | — | 6/1/2026 |
| 210.203.60.0/22 | AS131584TAIFO-AS-TW - Taiwan Intelligent Fiber Optic Network Co.,Ltd. | Valid | — | 6/1/2026 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17709 | RADB | MAINT-AS17709 | 11/13/2023 |
Origin ASN
AS17709
APT - Asia Pacific Telecom
Geolocation
API
Open https://api.ipctl.io/v1/prefix/210.203.56.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.203.56.0/21" | jq
External Links