201.4.28.0/23 - BGP Prefix
IPv4RIPEassigned RPKI Invalid
CIDR
201.4.28.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇭🇰 Hong Kong
City
Hong Kong
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 201.4.28.0/24 | AS38186 FTG-AS-AP Forewin Telecom Group Limited, ISP at | Valid | - | 2026-10-11 |
| 201.4.29.0/24 | AS9304 HUTCHISON-AS-AP HGC Global Communications Limited | Invalid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 201.4.28.0/24 | AS38186 | 🇪🇺EU | assigned |
| 201.4.29.0/24 | AS152868 | 🇸🇬SG | assigned |
Transfer History
Registry transfers of 201.4.28.0/23, blocks inside it, or blocks containing it.
- 201.4.0.0/18inter-RIRTransfer ·
- 201.4.0.0/18inter-RIRTransfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 201.4.0.0/18inter-RIR | Transfer | |||
| 201.4.0.0/18inter-RIR | Transfer |
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 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/201.4.28.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/201.4.28.0/23" | jq
External Links