143.203.124.0/22 - Chen Xinyu (AS151673)
CIDR
143.203.124.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Wilmington
RIR
ARIN
Status
allocated
Allocated
2026-10-02
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.203.124.0/22 | AS151673 CHENXINYU-AS-AP - Chen Xinyu | No ROA | - | 2026-11-06 |
More-Specific Announcements
3 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.203.124.0/24 | AS151673 CHENXINYU-AS-AP - Chen Xinyu | Valid | - | 2026-11-06 |
| 143.203.125.0/24 | AS151673 CHENXINYU-AS-AP - Chen Xinyu | Valid | - | 2026-11-06 |
| 143.203.126.0/24 | AS218733 HYW-HK HYW HK LIMITED | Valid | - | 2026-11-06 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS11421 | ARIN | MNT-HGL-134 | 2026-10-03 |
Origin ASN
AS151673
CHENXINYU-AS-AP - Chen Xinyu
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 ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/143.203.124.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/143.203.124.0/22" | jq
External Links