219.220.254.0/23 - BGP Prefix (MOAS)
IPv4APNICannouncedMOASNo ROA
CIDR
219.220.254.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇨🇳 China
City
Shanghai
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 219.220.254.0/23 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-14 |
| 219.220.254.0/23 | AS24364 CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | - | 2026-10-14 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 219.216.0.0/13 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-14 |
| 219.220.0.0/16 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-14 |
| 219.220.0.0/16 | AS24364 CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | - | 2026-10-14 |
Origin ASNs (2)
AS4538MOAS
ERX-CERNET-BKB - China Education and Research Network Center
AS24364MOAS
CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong 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/219.220.254.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/219.220.254.0/23" | jq
External Links