170.33.193.0/24 - BGP Prefix (MOAS)
IPv4APNICannouncedMOAS RPKI Valid
CIDR
170.33.193.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇸🇬 Singapore
City
Singapore
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 170.33.193.0/24 | AS45102 ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd. | Valid | APNIC | 2026-10-12 |
| 170.33.193.0/24 | AS134963 ASEPL-AS-AP - Alibaba Cloud (Singapore) Private Limited | Valid | APNIC | 2026-10-12 |
RPKI ROAs
Transfer History
Registry transfers of 170.33.193.0/24, blocks inside it, or blocks containing it.
- 170.33.0.0/16Transfer ·
- 170.33.0.0/16inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 170.33.0.0/16 | Transfer | |||
| 170.33.0.0/16inter-RIR | Transfer |
Origin ASNs (2)
AS45102MOAS
ALIBABA-CN-NET - Alibaba (US) Technology Co., Ltd.
AS134963MOAS
ASEPL-AS-AP - Alibaba Cloud (Singapore) Private Limited
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/170.33.193.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/170.33.193.0/24" | jq
External Links