HomePrefix Lookup211.64.0.0/21

211.64.0.0/21

🇨🇳
IPv4APNICannouncedMOASNo ROA
CIDR
211.64.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Jinan
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

2 of 2 routes
MOAS - 2 origin ASNs
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
211.64.0.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.64.0.0/21AS141005SDEPN-AS-CN - Shandong Provincial Department of Education,No ROA—6/1/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
211.64.0.0/13AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
Geolocation
Country🇨🇳ChinaCN
RegionShandong
CityJinan
GEThttps://api.ipctl.io/v1/prefix/211.64.0.0/21

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/211.64.0.0/21" | jq