Home Prefix Lookup211.100.240.0/20

211.100.240.0/20 - China Unicom Beijing Province Network (AS4808)

IPv4APNICannouncedAS4808CHINA169-BJ - China Unicom Beijing Province Network RPKI Valid

CIDR

211.100.240.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇨🇳 China

City

Xiabancheng (South Building)

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
211.100.240.0/20	AS4808 CHINA169-BJ - China Unicom Beijing Province Network	Valid	-	2026-10-13

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
211.100.224.0/19	AS4808 CHINA169-BJ - China Unicom Beijing Province Network	Valid	-	2026-10-13

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
211.100.224.0/19	AS4808	/20	apnic

More Specific Prefixes

100

Prefix	Country	Status
211.100.240.0/22	🇨🇳CN	assigned
211.100.240.0/28	🇨🇳CN	assigned
211.100.240.16/28	🇨🇳CN	assigned
211.100.240.32/27	🇨🇳CN	assigned
211.100.240.64/28	🇨🇳CN	assigned
211.100.240.80/28	🇨🇳CN	assigned
211.100.240.96/27	🇨🇳CN	assigned
211.100.240.128/27	🇨🇳CN	assigned
211.100.240.160/27	🇨🇳CN	assigned
211.100.240.192/26	🇨🇳CN	assigned
211.100.241.0/25	🇨🇳CN	assigned
211.100.241.144/28	🇨🇳CN	assigned
211.100.241.160/28	🇨🇳CN	assigned
211.100.241.192/27	🇨🇳CN	assigned
211.100.241.192/28	🇨🇳CN	assigned
211.100.241.224/27	🇨🇳CN	assigned
211.100.242.0/28	🇨🇳CN	assigned
211.100.242.16/28	🇨🇳CN	assigned
211.100.242.32/28	🇨🇳CN	assigned
211.100.242.48/28	🇨🇳CN	assigned
211.100.242.64/26	🇨🇳CN	assigned
211.100.243.0/27	🇨🇳CN	assigned
211.100.243.32/28	🇨🇳CN	assigned
211.100.243.48/28	🇨🇳CN	assigned
211.100.243.64/26	🇨🇳CN	assigned
211.100.243.128/27	🇨🇳CN	assigned
211.100.243.160/27	🇨🇳CN	assigned
211.100.243.192/27	🇨🇳CN	assigned
211.100.243.224/27	🇨🇳CN	assigned
211.100.244.0/24	🇨🇳CN	assigned
211.100.244.0/27	🇨🇳CN	assigned
211.100.244.48/28	🇨🇳CN	assigned
211.100.244.64/27	🇨🇳CN	assigned
211.100.244.96/28	🇨🇳CN	assigned
211.100.244.112/28	🇨🇳CN	assigned
211.100.244.128/28	🇨🇳CN	assigned
211.100.244.160/28	🇨🇳CN	assigned
211.100.244.176/28	🇨🇳CN	assigned
211.100.244.224/27	🇨🇳CN	assigned
211.100.245.0/25	🇨🇳CN	assigned
211.100.245.0/27	🇨🇳CN	assigned
211.100.245.32/27	🇨🇳CN	assigned
211.100.245.64/27	🇨🇳CN	assigned
211.100.245.96/28	🇨🇳CN	assigned
211.100.245.112/28	🇨🇳CN	assigned
211.100.245.128/28	🇨🇳CN	assigned
211.100.245.160/28	🇨🇳CN	assigned
211.100.245.176/28	🇨🇳CN	assigned
211.100.245.208/28	🇨🇳CN	assigned
211.100.245.224/27	🇨🇳CN	assigned
211.100.246.0/27	🇨🇳CN	assigned
211.100.246.32/28	🇨🇳CN	assigned
211.100.246.48/28	🇨🇳CN	assigned
211.100.246.96/28	🇨🇳CN	assigned
211.100.246.128/28	🇨🇳CN	assigned
211.100.246.160/27	🇨🇳CN	assigned
211.100.246.192/28	🇨🇳CN	assigned
211.100.246.208/28	🇨🇳CN	assigned
211.100.246.224/28	🇨🇳CN	assigned
211.100.246.240/28	🇨🇳CN	assigned
211.100.247.0/26	🇨🇳CN	assigned
211.100.247.64/27	🇨🇳CN	assigned
211.100.247.128/28	🇨🇳CN	assigned
211.100.247.160/28	🇨🇳CN	assigned
211.100.247.176/28	🇨🇳CN	assigned
211.100.247.192/26	🇨🇳CN	assigned
211.100.248.0/27	🇨🇳CN	assigned
211.100.248.64/28	🇨🇳CN	assigned
211.100.248.80/28	🇨🇳CN	assigned
211.100.248.96/27	🇨🇳CN	assigned
211.100.248.128/25	🇨🇳CN	assigned
211.100.249.0/27	🇨🇳CN	assigned
211.100.249.32/27	🇨🇳CN	assigned
211.100.249.64/27	🇨🇳CN	assigned
211.100.249.96/27	🇨🇳CN	assigned
211.100.249.128/27	🇨🇳CN	assigned
211.100.249.192/26	🇨🇳CN	assigned
211.100.249.208/28	🇨🇳CN	assigned
211.100.249.224/27	🇨🇳CN	assigned
211.100.250.0/25	🇨🇳CN	assigned
211.100.250.0/27	🇨🇳CN	assigned
211.100.250.32/28	🇨🇳CN	assigned
211.100.250.64/27	🇨🇳CN	assigned
211.100.250.96/27	🇨🇳CN	assigned
211.100.250.128/26	🇨🇳CN	assigned
211.100.250.128/28	🇨🇳CN	assigned
211.100.250.144/28	🇨🇳CN	assigned
211.100.250.160/28	🇨🇳CN	assigned
211.100.250.176/28	🇨🇳CN	assigned
211.100.250.192/27	🇨🇳CN	assigned
211.100.250.224/27	🇨🇳CN	assigned
211.100.251.0/25	🇨🇳CN	assigned
211.100.251.144/28	🇨🇳CN	assigned
211.100.251.176/28	🇨🇳CN	assigned
211.100.251.192/26	🇨🇳CN	assigned
211.100.252.0/24	🇨🇳CN	assigned
211.100.254.0/24	🇨🇳CN	assigned
211.100.255.144/28	🇨🇳CN	assigned
211.100.255.176/28	🇨🇳CN	assigned
211.100.255.192/26	🇨🇳CN	assigned

Origin ASN

AS4808

CHINA169-BJ - China Unicom Beijing Province Network

Related Prefixes

Covering prefix

211.100.224.0/19AS4808

More prefixes of AS4808

All prefixes of AS4808 →

Geolocation

Country🇨🇳ChinaCN

RegionHebei

CityXiabancheng (South Building)

Coordinates41.2433, 119.0130 ↗

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/211.100.240.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/211.100.240.0/20" | jq

External Links

RIPEstat