202.121.112.0/22 - BGP Prefix (MOAS)
IPv4APNICannouncedMOASNo ROA
CIDR
202.121.112.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
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 |
|---|---|---|---|---|
| 202.121.112.0/22 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-14 |
| 202.121.112.0/22 | AS24364 CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | - | 2026-10-14 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 202.120.0.0/15 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-14 |
| 202.121.0.0/16 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-14 |
| 202.121.0.0/16 | AS24364 CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | - | 2026-10-14 |
| 202.121.112.0/20 | AS4538 ERX-CERNET-BKB - China Education and Research Network Center | No ROA | - | 2026-10-14 |
| 202.121.112.0/20 | 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
Country🇨🇳ChinaCN
Coordinates35.8617, 104.1954 ↗
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/202.121.112.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/202.121.112.0/22" | jq
External Links