203.123.0.0/19 - M1 NET (AS17547)
CIDR
203.123.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇸🇬 Singapore
City
Singapore (Jurong East)
RIR
APNIC
Status
allocated
Allocated
2002-04-29
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.123.0.0/19 | AS17547 M1NET-SG-AP - M1 NET LTD | Valid | APNICOther IRR | 2026-10-12 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.123.0.0/20 | AS17547 M1NET-SG-AP - M1 NET LTD | Valid | - | 2026-10-12 |
| 203.123.16.0/20 | AS17547 M1NET-SG-AP - M1 NET LTD | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.123.0.0/19 | AS17547 | /20 | apnic |
More Specific Prefixes
Origin ASN
AS17547
M1NET-SG-AP - M1 NET LTD
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/203.123.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.123.0.0/19" | jq
External Links