Home Prefix Lookup203.93.16.0/20

203.93.16.0/20 - China Unicom Beijing Province Network (AS4808)

IPv4APNICallocatedAS4808CHINA169-BJ - China Unicom Beijing Province Network RPKI Valid

CIDR

203.93.16.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇨🇳 China

City

Haidian (Haidian Qu)

RIR

APNIC

Status

allocated

Allocated

1995-12-21

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.93.16.0/20	AS4808 CHINA169-BJ - China Unicom Beijing Province Network	Valid	APNIC	2026-10-13

More-Specific Announcements

2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
203.93.27.0/24	AS4808 CHINA169-BJ - China Unicom Beijing Province Network	Valid	-	2026-10-13
203.93.28.0/23	AS4808 CHINA169-BJ - China Unicom Beijing Province Network	Valid	-	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.93.16.0/20	AS4808	/20	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS4808	APNIC	MAINT-CNCGROUP-RR	2023-06-08

More Specific Prefixes

Prefix	AS	Country	Status
203.93.16.0/22		🇨🇳CN	assigned
203.93.16.0/23		🇨🇳CN	assigned
203.93.16.192/27		🇨🇳CN	assigned
203.93.18.0/24		🇨🇳CN	assigned
203.93.19.0/24		🇨🇳CN	assigned
203.93.20.0/22		🇨🇳CN	assigned
203.93.20.0/24		🇨🇳CN	assigned
203.93.21.0/24		🇨🇳CN	assigned
203.93.22.0/23		🇨🇳CN	assigned
203.93.24.0/22		🇨🇳CN	assigned
203.93.24.0/23		🇨🇳CN	assigned
203.93.26.0/24		🇨🇳CN	assigned
203.93.27.0/24	AS4808	🇨🇳CN	assigned
203.93.28.0/22		🇨🇳CN	assigned
203.93.28.0/23	AS4808	🇨🇳CN	assigned
203.93.30.128/25		🇨🇳CN	assigned
203.93.31.0/24		🇨🇳CN	assigned

Origin ASN

AS4808

CHINA169-BJ - China Unicom Beijing Province Network

Related Prefixes

More prefixes of AS4808

All prefixes of AS4808 →

Geolocation

Country🇨🇳ChinaCN

RegionBeijing

CityHaidian (Haidian Qu)

Coordinates39.9035, 116.2950 ↗

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/203.93.16.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/203.93.16.0/20" | jq

External Links

RIPEstat