219.228.192.0/20 - BGP Prefix (MOAS)
IPv4APNICannouncedMOASNo ROA
CIDR
219.228.192.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Shanghai
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 219.228.192.0/20 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-15 |
| 219.228.192.0/20 | AS138370 CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang University | No ROA | - | 2026-10-15 |
Related Announcements
3 less-specific, 1 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 219.224.0.0/13 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-15 |
| 219.228.0.0/16 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-15 |
| 219.228.0.0/16 | AS24364 CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | - | 2026-10-15 |
| 219.228.192.0/24 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | Valid | - | 2026-10-15 |
Origin ASNs (2)
AS4538MOAS
ERX-CERNET-BKB - China Education and Research Network Center
AS138370MOAS
CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang University
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/219.228.192.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/219.228.192.0/20" | jq
External Links