202.121.80.0/20
🇨🇳IPv4APNICannouncedMOASNo ROA
CIDR
202.121.80.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.121.80.0/20 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 7/15/2026 |
| 202.121.80.0/20 | AS24365CNGI-SH-IX2-AS-AP - CERNET2 IX at Fudan University | No ROA | — | 7/15/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.120.0.0/15 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 7/15/2026 |
| 202.121.0.0/16 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 7/15/2026 |
| 202.121.0.0/16 | AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | — | 7/15/2026 |
Origin ASNs (2)
AS4538MOAS
ERX-CERNET-BKB - China Education and Research Network Center
AS24365MOAS
CNGI-SH-IX2-AS-AP - CERNET2 IX at Fudan University
Geolocation
Country🇨🇳ChinaCN
Coordinates35.8617, 104.1954 ↗
API
Open https://api.ipctl.io/v1/prefix/202.121.80.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/202.121.80.0/20" | jq
External Links