Home Prefix Lookup163.177.56.0/21

163.177.56.0/21 - China Unicom Guangdong IP Network (AS135061)

IPv4APNICannouncedAS135061UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network RPKI Valid

CIDR

163.177.56.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇳 China

City

Guangzhou

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
163.177.56.0/21	AS135061 UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network	Valid	-	2026-10-12

Related Announcements

1 less-specific, 7 more-specific announcements

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

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
163.177.56.0/21	AS135061	/21	apnic
163.177.0.0/16	AS17816	/16	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS17623	APNIC	MAINT-CNCGROUP-RR	2023-06-08

Origin ASN

AS135061

UNICOM-ShenZhen-IDC - China Unicom Guangdong IP network

Related Prefixes

Covering prefix

163.177.0.0/16AS17816

More prefixes of AS135061

All prefixes of AS135061 →

Geolocation

Country🇨🇳ChinaCN

RegionGuangdong

CityGuangzhou

Coordinates23.1291, 113.2640 ↗

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/163.177.56.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/163.177.56.0/21" | jq

External Links

RIPEstat