Home Prefix Lookup203.174.112.0/21

203.174.112.0/21 - China Networks Inter Exchange (AS4847)

IPv4APNICannouncedAS4847CNIX-AP - China Networks Inter-Exchange RPKI Valid

CIDR

203.174.112.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇳 China

City

Jingshan (Dongcheng District)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
203.174.112.0/21	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	Other IRR	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
203.174.96.0/19	AS63647 WJHTEDU - Beijing WangJu Interworking Information Technology Co. LTD	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.174.112.0/21	AS4847	/21	apnic
203.174.96.0/19	AS63647	/19	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4847	Other IRR	MAINT-AS4847	2024-09-12

Origin ASN

AS4847

CNIX-AP - China Networks Inter-Exchange

Related Prefixes

Covering prefix

203.174.96.0/19AS63647

More prefixes of AS4847

All prefixes of AS4847 →

Geolocation

Country🇨🇳ChinaCN

RegionBeijing

CityJingshan (Dongcheng District)

Coordinates39.8694, 116.3980 ↗

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/203.174.112.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/203.174.112.0/21" | jq

External Links

RIPEstat