Home Prefix Lookup210.5.128.0/21

210.5.128.0/21 - CUII CHINA UNICOM Industrial Internet Backbone (AS9929)

IPv4APNICannouncedAS9929CUII CHINA UNICOM Industrial Internet Backbone RPKI Valid

CIDR

210.5.128.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇳 China

City

Shizishan

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
210.5.128.0/21	AS9929 CUII CHINA UNICOM Industrial Internet Backbone	Valid	APNIC	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
210.5.128.0/20	AS4837 CHINA169-BACKBONE CHINA UNICOM China169 Backbone	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
210.5.128.0/21	AS9929	/21	apnic
210.5.128.0/20	AS4837	/20	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9929	APNIC	MAINT-CNCGROUP-RR	2023-06-08

Origin ASN

AS9929

CUII CHINA UNICOM Industrial Internet Backbone

Related Prefixes

Covering prefix

210.5.128.0/20AS4837

More prefixes of AS9929

All prefixes of AS9929 →

Geolocation

Country🇨🇳ChinaCN

RegionHubei

CityShizishan

Coordinates30.5454, 114.3420 ↗

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/210.5.128.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/210.5.128.0/21" | jq

External Links

RIPEstat