HomePrefix Lookup211.66.0.0/16

211.66.0.0/16

🇨🇳
IPv4APNICannouncedMOASNo ROA
CIDR
211.66.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Guangzhou (Tianhe Qu)
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

2 of 2 routes
MOAS - 2 origin ASNs
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
211.66.0.0/16AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.0.0/16AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026

Covering Prefix

28 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
211.64.0.0/13AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.160.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.128.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.96.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.112.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.0.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.16.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.152.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.192.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.240.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.248.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.240.0/21AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.208.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.86.0/23AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.72.0/23AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.206.0/23AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.82.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.186.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.188.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/1/2026
211.66.184.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.192.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.160.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.64.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.216.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.248.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.80.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.88.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
211.66.84.0/24AS24357CNGI-GZ-IX-AS-AP - CERNET2 IX at South China University of TechnologyNo ROA—6/1/2026
Geolocation
Country🇨🇳ChinaCN
RegionGuangdong
CityGuangzhou (Tianhe Qu)
GEThttps://api.ipctl.io/v1/prefix/211.66.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/211.66.0.0/16" | jq