222.31.16.0/22
🇨🇳IPv4APNICannouncedMOASNo ROA
CIDR
222.31.16.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Taiyuan (Xiaodian Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 222.31.16.0/22 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 222.31.16.0/22 | AS138374CNGI-TYN-IX-AS-AP - CERNET2 regional IX at Taiyuan University | No ROA | — | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 222.16.0.0/12 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 222.24.0.0/13 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 222.28.0.0/14 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
Origin ASNs (2)
AS4538MOAS
ERX-CERNET-BKB - China Education and Research Network Center
AS138374MOAS
CNGI-TYN-IX-AS-AP - CERNET2 regional IX at Taiyuan University
Geolocation
API
Open https://api.ipctl.io/v1/prefix/222.31.16.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/222.31.16.0/22" | jq
External Links