HomePrefix Lookup221.4.0.0/16

221.4.0.0/16

🇨🇳
IPv4APNICallocatedAS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA
CIDR
221.4.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
allocated
Allocated
1/8/2003

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
221.4.0.0/16AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA
APNICRADB
6/1/2026

Covering Prefix

23 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
221.4.32.0/19AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.32.0/20AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.48.0/20AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.40.0/22AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.112.0/22AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.8.0/22AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.222.0/23AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.41.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.42.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.33.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.54.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.40.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.61.0/24AS17622CNCGROUP-GZ - China Unicom Guangzhou networkNo ROA—6/1/2026
221.4.10.0/24AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.102.0/24AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.104.0/24AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.106.0/24AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.11.0/24AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.173.0/24AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.175.0/24AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA—6/1/2026
221.4.146.0/24AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP networkNo ROA—6/1/2026
221.4.154.0/24AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP networkNo ROA—6/1/2026
221.4.159.0/24AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP networkNo ROA—6/1/2026

IRR Route Objects

2
OriginRegistryMaintainerModified
AS17816APNICMAINT-CNCGROUP-RR9/4/2008
AS17816RADBMAINT-AS5845311/13/2023

More Specific Prefixes

100
PrefixASCountryStatus
221.4.56.0/21🇨🇳CNassigned
221.4.8.0/22AS17816🇨🇳CNassigned
221.4.186.0/23🇨🇳CNassigned
221.4.154.0/24AS136959🇨🇳CNassigned
221.4.151.0/24🇨🇳CNassigned
221.4.249.0/24🇨🇳CNassigned
221.4.189.0/24🇨🇳CNassigned
221.4.183.0/24🇨🇳CNassigned
221.4.185.0/24🇨🇳CNassigned
221.4.188.0/24🇨🇳CNassigned
221.4.191.0/24🇨🇳CNassigned
221.4.1.0/24🇨🇳CNassigned
221.4.206.0/24🇨🇳CNassigned
221.4.54.0/24AS17622🇨🇳CNassigned
221.4.53.0/24🇨🇳CNassigned
221.4.190.0/24🇨🇳CNassigned
221.4.36.0/24🇨🇳CNassigned
221.4.246.128/25🇨🇳CNassigned
221.4.169.128/25🇨🇳CNassigned
221.4.158.128/25🇨🇳CNassigned
221.4.159.0/25🇨🇳CNassigned
221.4.50.128/25🇨🇳CNassigned
221.4.178.0/25🇨🇳CNassigned
221.4.37.128/25🇨🇳CNassigned
221.4.140.128/26🇨🇳CNassigned
221.4.241.64/26🇨🇳CNassigned
221.4.241.0/26🇨🇳CNassigned
221.4.248.192/26🇨🇳CNassigned
221.4.244.64/26🇨🇳CNassigned
221.4.48.64/26🇨🇳CNassigned
221.4.242.64/26🇨🇳CNassigned
221.4.164.192/26🇨🇳CNassigned
221.4.51.128/26🇨🇳CNassigned
221.4.47.128/26🇨🇳CNassigned
221.4.199.128/26🇨🇳CNassigned
221.4.180.64/26🇨🇳CNassigned
221.4.50.64/26🇨🇳CNassigned
221.4.248.64/26🇨🇳CNassigned
221.4.162.192/26🇨🇳CNassigned
221.4.50.0/26🇨🇳CNassigned
221.4.158.64/26🇨🇳CNassigned
221.4.168.192/26🇨🇳CNassigned
221.4.207.128/26🇨🇳CNassigned
221.4.153.0/27🇨🇳CNassigned
221.4.161.32/27🇨🇳CNassigned
221.4.151.0/27🇨🇳CNassigned
221.4.151.96/27🇨🇳CNassigned
221.4.52.32/27🇨🇳CNassigned
221.4.242.192/27🇨🇳CNassigned
221.4.151.160/27🇨🇳CNassigned
221.4.47.192/27🇨🇳CNassigned
221.4.205.128/27🇨🇳CNassigned
221.4.47.32/27🇨🇳CNassigned
221.4.151.192/27🇨🇳CNassigned
221.4.141.0/27🇨🇳CNassigned
221.4.47.96/27🇨🇳CNassigned
221.4.48.224/27🇨🇳CNassigned
221.4.48.32/27🇨🇳CNassigned
221.4.150.224/27🇨🇳CNassigned
221.4.132.64/27🇨🇳CNassigned
221.4.137.160/27🇨🇳CNassigned
221.4.132.128/27🇨🇳CNassigned
221.4.143.160/27🇨🇳CNassigned
221.4.148.224/27🇨🇳CNassigned
221.4.37.0/27🇨🇳CNassigned
221.4.137.128/27🇨🇳CNassigned
221.4.149.224/27🇨🇳CNassigned
221.4.38.64/27🇨🇳CNassigned
221.4.178.128/27🇨🇳CNassigned
221.4.248.32/27🇨🇳CNassigned
221.4.244.32/28🇨🇳CNassigned
221.4.204.128/28🇨🇳CNassigned
221.4.38.96/28🇨🇳CNassigned
221.4.203.64/28🇨🇳CNassigned
221.4.198.240/28🇨🇳CNassigned
221.4.203.128/28🇨🇳CNassigned
221.4.43.0/28🇨🇳CNassigned
221.4.243.160/28🇨🇳CNassigned
221.4.180.144/28🇨🇳CNassigned
221.4.197.208/28🇨🇳CNassigned
221.4.230.144/28🇨🇳CNassigned
221.4.163.96/28🇨🇳CNassigned
221.4.163.240/28🇨🇳CNassigned
221.4.198.96/28🇨🇳CNassigned
221.4.43.32/28🇨🇳CNassigned
221.4.207.0/28🇨🇳CNassigned
221.4.180.0/28🇨🇳CNassigned
221.4.148.112/28🇨🇳CNassigned
221.4.140.64/28🇨🇳CNassigned
221.4.205.240/28🇨🇳CNassigned
221.4.143.208/28🇨🇳CNassigned
221.4.152.64/28🇨🇳CNassigned
221.4.134.80/28🇨🇳CNassigned
221.4.197.96/28🇨🇳CNassigned
221.4.135.240/28🇨🇳CNassigned
221.4.140.0/28🇨🇳CNassigned
221.4.161.224/28🇨🇳CNassigned
221.4.43.96/28🇨🇳CNassigned
221.4.196.192/28🇨🇳CNassigned
221.4.197.48/28🇨🇳CNassigned
Origin ASN
AS17816
CHINA169-GZ - China Unicom IP network China169 Guangdong province
Geolocation
Country🇨🇳ChinaCN
RegionGuangdong
CityGuangzhou
Coordinates23.1291, 113.2640 ↗
API
Open
GEThttps://api.ipctl.io/v1/prefix/221.4.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/221.4.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP