203.163.192.0/23 - AboveNet Communications Taiwan (AS17408)
CIDR
203.163.192.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇹🇼 Taiwan
City
Neihu District
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 |
|---|---|---|---|---|
| 203.163.192.0/23 | AS17408 ABOVE-AS-AP - AboveNet Communications Taiwan | Valid | APNICOther IRR | 2026-10-12 |
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.163.193.0/24 | AS131607 DCTV-AS-TW - Digidom CableTV Co., LTD. | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.163.192.0/23 | AS17408 | /23 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.163.193.0/27 | 🇹🇼TW | assigned | |
| 203.163.193.32/27 | 🇹🇼TW | assigned | |
| 203.163.193.64/27 | 🇹🇼TW | assigned | |
| 203.163.193.96/27 | 🇹🇼TW | assigned | |
| 203.163.193.128/27 | 🇹🇼TW | assigned | |
| 203.163.193.160/27 | 🇹🇼TW | assigned | |
| 203.163.193.192/27 | 🇹🇼TW | assigned | |
| 203.163.193.224/27 | 🇹🇼TW | assigned |
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/203.163.192.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.163.192.0/23" | jq
External Links