103.242.0.0/24 - Zenlayer (AS21859)
CIDR
103.242.0.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇹🇼 Taiwan
City
Taoyuan
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.242.0.0/24 | AS21859 ZEN-ECN - Zenlayer Inc | Valid | APNIC | 2026-10-13 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 103.242.0.0/23 | AS132203 TENCENT-NET-AP-CN - Tencent Building, Kejizhongyi Avenue | Valid | - | 2026-10-13 |
RPKI ROAs
Transfer History
Registry transfers of 103.242.0.0/24, blocks inside it, or blocks containing it.
- 103.242.0.0/22Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 103.242.0.0/22 | Transfer |
Origin ASN
AS21859
ZEN-ECN - Zenlayer Inc
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/103.242.0.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/103.242.0.0/24" | jq
External Links