129.227.123.0/24 - Zenlayer (AS29752)
CIDR
129.227.123.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇧🇷 Brazil
City
São Paulo
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 |
|---|---|---|---|---|
| 129.227.123.0/24 | AS29752 ZEN-SDN - Zenlayer Inc | Valid | APNIC | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.227.120.0/21 | AS21859 ZEN-ECN - Zenlayer Inc | No ROA | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 129.227.123.0/24 | AS29752 | /24 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS29752 | APNIC | MAINT-ZEN-SG | 2026-06-22 |
Transfer History
Registry transfers of 129.227.123.0/24, blocks inside it, or blocks containing it.
- 129.227.0.0/16Transfer ·→Zenlayer Network Technologies (Shanghai) Co. Ltd.Zenlayer (Singapore) PTE. LTD
- 129.227.0.0/16inter-RIRTransfer ·→Unisys CorporationZenlayer Network Technologies (Shanghai) Co. Ltd.
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 129.227.0.0/16 | Zenlayer Network Technologies (Shanghai) Co. Ltd. | Zenlayer (Singapore) PTE. LTD | Transfer | |
| 129.227.0.0/16inter-RIR | Unisys Corporation | Zenlayer Network Technologies (Shanghai) Co. Ltd. | Transfer |
Origin ASN
AS29752
ZEN-SDN - Zenlayer Inc
Related Prefixes
Geolocation
Country🇧🇷BrazilBR
CitySão Paulo
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/129.227.123.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/129.227.123.0/24" | jq
External Links