Home Prefix Lookup221.5.0.0/17

221.5.0.0/17

🇨🇳

IPv4APNICallocatedAS17816CHINA169-GZ - China Unicom IP network China169 Guangdong provinceNo ROA

CIDR

221.5.0.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇨🇳 China

City

Guangzhou

RIR

APNIC

Status

allocated

Allocated

1/8/2003

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
221.5.0.0/17	AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong province	No ROA	APNICRADB	6/2/2026

Covering Prefix

20 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
221.5.96.0/23	AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.34.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.36.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.38.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.39.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.92.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.93.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.94.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.95.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.111.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.33.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.106.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.109.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.110.0/24	AS136958UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.103.0/24	AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.35.0/24	AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.107.0/24	AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.96.0/24	AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.97.0/24	AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026
221.5.102.0/24	AS136959UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	No ROA	—	6/2/2026

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS17816	APNIC	MAINT-CNCGROUP-RR	9/4/2008
AS17816	RADB	MAINT-AS58453	11/13/2023

More Specific Prefixes

100

Prefix	AS	Country	Status
221.5.96.0/24	AS136959	🇨🇳CN	assigned
221.5.80.0/24		🇨🇳CN	assigned
221.5.44.128/25		🇨🇳CN	assigned
221.5.57.0/25		🇨🇳CN	assigned
221.5.57.128/25		🇨🇳CN	assigned
221.5.58.0/25		🇨🇳CN	assigned
221.5.112.0/25		🇨🇳CN	assigned
221.5.112.128/26		🇨🇳CN	assigned
221.5.44.64/26		🇨🇳CN	assigned
221.5.4.192/26		🇨🇳CN	assigned
221.5.71.192/26		🇨🇳CN	assigned
221.5.8.192/26		🇨🇳CN	assigned
221.5.86.0/26		🇨🇳CN	assigned
221.5.67.192/27		🇨🇳CN	assigned
221.5.44.32/27		🇨🇳CN	assigned
221.5.5.160/27		🇨🇳CN	assigned
221.5.112.192/27		🇨🇳CN	assigned
221.5.68.128/27		🇨🇳CN	assigned
221.5.68.96/27		🇨🇳CN	assigned
221.5.58.160/27		🇨🇳CN	assigned
221.5.58.128/27		🇨🇳CN	assigned
221.5.11.224/27		🇨🇳CN	assigned
221.5.71.32/27		🇨🇳CN	assigned
221.5.67.128/27		🇨🇳CN	assigned
221.5.67.96/28		🇨🇳CN	assigned
221.5.2.144/28		🇨🇳CN	assigned
221.5.67.112/28		🇨🇳CN	assigned
221.5.6.176/28		🇨🇳CN	assigned
221.5.58.224/28		🇨🇳CN	assigned
221.5.44.16/28		🇨🇳CN	assigned
221.5.68.80/28		🇨🇳CN	assigned
221.5.11.112/28		🇨🇳CN	assigned
221.5.69.0/28		🇨🇳CN	assigned
221.5.68.160/28		🇨🇳CN	assigned
221.5.112.224/28		🇨🇳CN	assigned
221.5.65.112/28		🇨🇳CN	assigned
221.5.58.240/28		🇨🇳CN	assigned
221.5.9.168/29		🇨🇳CN	assigned
221.5.9.192/29		🇨🇳CN	assigned
221.5.9.200/29		🇨🇳CN	assigned
221.5.8.32/29		🇨🇳CN	assigned
221.5.9.144/29		🇨🇳CN	assigned
221.5.9.96/29		🇨🇳CN	assigned
221.5.9.216/29		🇨🇳CN	assigned
221.5.7.80/29		🇨🇳CN	assigned
221.5.9.112/29		🇨🇳CN	assigned
221.5.8.0/29		🇨🇳CN	assigned
221.5.4.48/29		🇨🇳CN	assigned
221.5.64.48/29		🇨🇳CN	assigned
221.5.9.152/29		🇨🇳CN	assigned
221.5.64.128/29		🇨🇳CN	assigned
221.5.4.152/29		🇨🇳CN	assigned
221.5.65.32/29		🇨🇳CN	assigned
221.5.7.64/29		🇨🇳CN	assigned
221.5.8.48/29		🇨🇳CN	assigned
221.5.67.8/29		🇨🇳CN	assigned
221.5.67.48/29		🇨🇳CN	assigned
221.5.6.168/29		🇨🇳CN	assigned
221.5.68.176/29		🇨🇳CN	assigned
221.5.9.88/29		🇨🇳CN	assigned
221.5.5.56/29		🇨🇳CN	assigned
221.5.6.224/29		🇨🇳CN	assigned
221.5.8.16/29		🇨🇳CN	assigned
221.5.9.232/29		🇨🇳CN	assigned
221.5.11.200/29		🇨🇳CN	assigned
221.5.66.8/29		🇨🇳CN	assigned
221.5.64.112/29		🇨🇳CN	assigned
221.5.8.8/29		🇨🇳CN	assigned
221.5.64.32/29		🇨🇳CN	assigned
221.5.64.24/29		🇨🇳CN	assigned
221.5.64.136/29		🇨🇳CN	assigned
221.5.8.64/29		🇨🇳CN	assigned
221.5.72.136/29		🇨🇳CN	assigned
221.5.4.0/29		🇨🇳CN	assigned
221.5.68.72/29		🇨🇳CN	assigned
221.5.67.32/29		🇨🇳CN	assigned
221.5.6.232/29		🇨🇳CN	assigned
221.5.67.80/29		🇨🇳CN	assigned
221.5.69.16/29		🇨🇳CN	assigned
221.5.4.32/29		🇨🇳CN	assigned
221.5.67.224/29		🇨🇳CN	assigned
221.5.67.88/29		🇨🇳CN	assigned
221.5.44.8/29		🇨🇳CN	assigned
221.5.11.80/29		🇨🇳CN	assigned
221.5.64.152/29		🇨🇳CN	assigned
221.5.64.8/29		🇨🇳CN	assigned
221.5.11.72/29		🇨🇳CN	assigned
221.5.11.32/29		🇨🇳CN	assigned
221.5.65.216/29		🇨🇳CN	assigned
221.5.64.40/29		🇨🇳CN	assigned
221.5.5.16/29		🇨🇳CN	assigned
221.5.64.72/29		🇨🇳CN	assigned
221.5.9.136/29		🇨🇳CN	assigned
221.5.64.144/29		🇨🇳CN	assigned
221.5.9.208/29		🇨🇳CN	assigned
221.5.65.184/29		🇨🇳CN	assigned
221.5.65.144/29		🇨🇳CN	assigned
221.5.65.152/29		🇨🇳CN	assigned
221.5.9.176/29		🇨🇳CN	assigned
221.5.9.160/29		🇨🇳CN	assigned

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/221.5.0.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/221.5.0.0/17" | jq

External Links

RIPEstat Hurricane Electric BGP