203.133.5.176/28 - BGP Prefix
IPv4APNICassigned RPKI Valid
CIDR
203.133.5.176/28
IP Version
IPv4
Addresses
16
Mask
/28 (255.255.255.240)
Country
🇹🇼 Taiwan
City
Taipei
RIR
APNIC
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 currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.133.0.0/17 | AS9416 KBT KBT Co., LTD 4F., No.57, Dongxing Rd., Xinyi Dist., Taipei City 110, Taiwan R.O.C. | Valid | - | 2026-10-11 |
| 203.133.0.0/18 | AS9416 KBT KBT Co., LTD 4F., No.57, Dongxing Rd., Xinyi Dist., Taipei City 110, Taiwan R.O.C. | Valid | - | 2026-10-11 |
Transfer History
Registry transfers of 203.133.5.176/28, blocks inside it, or blocks containing it.
- 203.133.0.0/19Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 203.133.0.0/19 | Transfer |
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/203.133.5.176/28Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.133.5.176/28" | jq
External Links