HomePrefix Lookup222.204.0.0/15

222.204.0.0/15

🇨🇳
IPv4APNICallocatedNo ROA
CIDR
222.204.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇨🇳 China
City
Shanghai
RIR
APNIC
Status
allocated
Allocated
7/16/2004

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

68 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
222.192.0.0/12AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.205.0.0/16AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.0.0/16AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.0.0/16AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—6/13/2026
222.205.0.0/16AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—6/13/2026
222.205.0.0/17AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.205.0.0/17AS24367CNGI-HZH-IX-AS-AP - CERNET2 IX at Zhejiang UniversityNo ROA—6/13/2026
222.204.0.0/18AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.205.192.0/18AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.205.192.0/18AS24368CNGI-XMN-IX-AS-AP - CERNET2 IX at Xiamen UniversityNo ROA—6/13/2026
222.204.0.0/18AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.64.0/19AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.205.160.0/19AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.205.160.0/19AS24368CNGI-XMN-IX-AS-AP - CERNET2 IX at Xiamen UniversityNo ROA—6/13/2026
222.204.64.0/19AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.240.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.176.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.208.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.192.0/20AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.192.0/20AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—6/13/2026
222.204.208.0/20AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—6/13/2026
222.204.240.0/20AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—6/13/2026
222.204.176.0/20AS24366CNGI-SH-IX3-AS-AP - CERNET2 IX at Tongji UniversityNo ROA—6/13/2026
222.204.232.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.205.120.0/21AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.232.0/21AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong UniversityNo ROA—6/13/2026
222.205.120.0/21AS24367CNGI-HZH-IX-AS-AP - CERNET2 IX at Zhejiang UniversityNo ROA—6/13/2026
222.204.100.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.104.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.108.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.112.0/22AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.112.0/22AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.108.0/22AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.104.0/22AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.100.0/22AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.116.0/23AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.116.0/23AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.126.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.40.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.42.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.43.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.44.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.96.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.97.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.98.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.99.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.118.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.120.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.121.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.122.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.123.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.124.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.125.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.127.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.204.192.0/24AS4538ERX-CERNET-BKB - China Education and Research Network CenterNo ROA—6/13/2026
222.205.127.0/24AS24367CNGI-HZH-IX-AS-AP - CERNET2 IX at Zhejiang UniversityNo ROA—6/13/2026
222.204.126.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.124.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.123.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.120.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.99.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.97.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.96.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.44.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.43.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.42.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.127.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
222.204.40.0/24AS138370CNGI-NCH-IX-AS-AP - CERNET2 regional IX at Nanchang UniversityNo ROA—6/13/2026
Geolocation
Country🇨🇳ChinaCN
RegionShanghai
CityShanghai
GEThttps://api.ipctl.io/v1/prefix/222.204.0.0/15

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

curl -s "https://api.ipctl.io/v1/prefix/222.204.0.0/15" | jq