Home Prefix Lookup163.177.0.0/16

163.177.0.0/16 - China Unicom IP Network China169 Guangdong Province (AS17816)

IPv4APNICallocatedAS17816CHINA169-GZ - China Unicom IP network China169 Guangdong province RPKI Valid

CIDR

163.177.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇨🇳 China

City

Guangzhou

RIR

APNIC

Status

allocated

Allocated

2011-03-30

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
163.177.0.0/16	AS17816 CHINA169-GZ - China Unicom IP network China169 Guangdong province	Valid	APNICOther IRR	2026-10-12

More-Specific Announcements

94 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
163.177.0.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.1.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.2.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.3.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.4.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.5.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.6.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.7.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.8.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.9.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.10.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.11.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.12.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.13.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.14.0/23	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.16.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.17.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.18.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.20.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.21.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.22.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.23.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.24.0/21	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.24.0/22	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.24.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.25.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.27.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.28.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.29.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.30.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.31.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.32.0/23	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.32.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.33.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.34.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.35.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.36.0/23	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.38.0/23	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.40.0/22	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.42.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.44.0/22	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.44.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.45.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.46.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.47.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.56.0/21	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.56.0/23	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.59.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.60.0/23	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.60.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.61.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.62.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.63.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.64.0/19	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.66.0/23	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.68.0/22	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.72.0/23	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.74.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.75.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.76.0/22	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.77.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.80.0/23	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.82.0/23	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.84.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.85.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.86.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.87.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.88.0/22	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.92.0/23	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.94.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.95.0/24	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.136.0/21	AS17622 CNCGROUP-GZ - China Unicom Guangzhou network	Valid	-	2026-10-12
163.177.140.0/22	AS17622 CNCGROUP-GZ - China Unicom Guangzhou network	Valid	-	2026-10-12
163.177.144.0/21	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.149.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.150.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.151.0/24	AS136958 UNICOM-GuangZhou-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.152.0/21	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.152.0/23	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.153.0/24	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.154.0/24	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.155.0/24	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.156.0/24	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.157.0/24	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.158.0/24	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.159.0/24	AS136959 UNICOM-FuoShan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.216.0/24	AS134543 UNICOM-DongGuan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.217.0/24	AS134543 UNICOM-DongGuan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.218.0/24	AS134543 UNICOM-DongGuan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.219.0/24	AS134543 UNICOM-DongGuan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.220.0/24	AS134543 UNICOM-DongGuan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.221.0/24	AS134543 UNICOM-DongGuan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.222.0/24	AS134543 UNICOM-DongGuan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12
163.177.223.0/24	AS134543 UNICOM-DongGuan-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
163.177.0.0/16	AS17816	/16	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS17816	APNIC	MAINT-CNCGROUP-RR	2011-04-22
AS17816	Other IRR	MAINT-AS58453	2023-11-13

More Specific Prefixes

Prefix	AS	Country	Status
163.177.128.128/29		🇨🇳CN	assigned
163.177.136.0/21	AS17622	🇨🇳CN	assigned

Origin ASN

AS17816

CHINA169-GZ - China Unicom IP network China169 Guangdong province

Related Prefixes

More prefixes of AS17816

All prefixes of AS17816 →

Geolocation

Country🇨🇳ChinaCN

RegionGuangdong

CityGuangzhou

Coordinates23.1317, 113.2660 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/163.177.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/163.177.0.0/16" | jq

External Links

RIPEstat