Home Prefix Lookup219.238.128.0/18

219.238.128.0/18 - China Unicom Beijing Province Network (AS4808)

IPv4APNICannouncedAS4808CHINA169-BJ - China Unicom Beijing Province NetworkNo ROA

CIDR

219.238.128.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

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
219.238.128.0/18	AS4808 CHINA169-BJ - China Unicom Beijing Province Network	No ROA	-	2026-10-12

More-Specific Announcements

1 more-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
219.238.148.0/22	AS4847 CNIX-AP - China Networks Inter-Exchange	Valid	-	2026-10-12

More Specific Prefixes

100

Prefix	AS	Country	Status
219.238.128.0/26		🇨🇳CN	assigned
219.238.128.64/26		🇨🇳CN	assigned
219.238.129.64/27		🇨🇳CN	assigned
219.238.130.0/24		🇨🇳CN	assigned
219.238.131.64/26		🇨🇳CN	assigned
219.238.131.128/25		🇨🇳CN	assigned
219.238.133.0/26		🇨🇳CN	assigned
219.238.134.0/26		🇨🇳CN	assigned
219.238.134.64/26		🇨🇳CN	assigned
219.238.138.0/26		🇨🇳CN	assigned
219.238.139.0/26		🇨🇳CN	assigned
219.238.141.0/26		🇨🇳CN	assigned
219.238.141.128/25		🇨🇳CN	assigned
219.238.142.0/24		🇨🇳CN	assigned
219.238.143.0/26		🇨🇳CN	assigned
219.238.143.192/26		🇨🇳CN	assigned
219.238.144.0/24		🇨🇳CN	assigned
219.238.145.0/25		🇨🇳CN	assigned
219.238.146.0/27		🇨🇳CN	assigned
219.238.146.192/26		🇨🇳CN	assigned
219.238.147.224/27		🇨🇳CN	assigned
219.238.148.0/22	AS4847	🇨🇳CN	assigned
219.238.152.96/27		🇨🇳CN	assigned
219.238.153.0/26		🇨🇳CN	assigned
219.238.153.96/27		🇨🇳CN	assigned
219.238.153.128/27		🇨🇳CN	assigned
219.238.153.192/26		🇨🇳CN	assigned
219.238.154.0/26		🇨🇳CN	assigned
219.238.154.192/26		🇨🇳CN	assigned
219.238.155.0/26		🇨🇳CN	assigned
219.238.156.64/27		🇨🇳CN	assigned
219.238.156.96/27		🇨🇳CN	assigned
219.238.156.128/26		🇨🇳CN	assigned
219.238.156.192/26		🇨🇳CN	assigned
219.238.157.128/27		🇨🇳CN	assigned
219.238.158.0/26		🇨🇳CN	assigned
219.238.158.128/25		🇨🇳CN	assigned
219.238.160.0/25		🇨🇳CN	assigned
219.238.161.0/26		🇨🇳CN	assigned
219.238.161.192/26		🇨🇳CN	assigned
219.238.162.0/27		🇨🇳CN	assigned
219.238.162.64/26		🇨🇳CN	assigned
219.238.162.128/26		🇨🇳CN	assigned
219.238.162.192/26		🇨🇳CN	assigned
219.238.163.0/27		🇨🇳CN	assigned
219.238.163.192/27		🇨🇳CN	assigned
219.238.163.224/27		🇨🇳CN	assigned
219.238.164.192/27		🇨🇳CN	assigned
219.238.165.0/26		🇨🇳CN	assigned
219.238.165.64/26		🇨🇳CN	assigned
219.238.165.128/25		🇨🇳CN	assigned
219.238.166.96/27		🇨🇳CN	assigned
219.238.167.0/24		🇨🇳CN	assigned
219.238.168.32/27		🇨🇳CN	assigned
219.238.168.64/26		🇨🇳CN	assigned
219.238.169.0/24		🇨🇳CN	assigned
219.238.170.128/25		🇨🇳CN	assigned
219.238.171.0/24		🇨🇳CN	assigned
219.238.172.0/27		🇨🇳CN	assigned
219.238.172.192/26		🇨🇳CN	assigned
219.238.173.0/26		🇨🇳CN	assigned
219.238.173.128/27		🇨🇳CN	assigned
219.238.173.192/26		🇨🇳CN	assigned
219.238.174.0/25		🇨🇳CN	assigned
219.238.174.128/25		🇨🇳CN	assigned
219.238.175.64/27		🇨🇳CN	assigned
219.238.175.160/27		🇨🇳CN	assigned
219.238.175.192/27		🇨🇳CN	assigned
219.238.176.0/24		🇨🇳CN	assigned
219.238.177.0/26		🇨🇳CN	assigned
219.238.177.192/26		🇨🇳CN	assigned
219.238.178.0/25		🇨🇳CN	assigned
219.238.179.0/24		🇨🇳CN	assigned
219.238.180.0/26		🇨🇳CN	assigned
219.238.180.160/27		🇨🇳CN	assigned
219.238.181.0/27		🇨🇳CN	assigned
219.238.181.192/26		🇨🇳CN	assigned
219.238.182.0/26		🇨🇳CN	assigned
219.238.182.64/26		🇨🇳CN	assigned
219.238.182.128/27		🇨🇳CN	assigned
219.238.183.192/26		🇨🇳CN	assigned
219.238.184.0/25		🇨🇳CN	assigned
219.238.184.128/25		🇨🇳CN	assigned
219.238.185.0/26		🇨🇳CN	assigned
219.238.185.64/27		🇨🇳CN	assigned
219.238.185.192/26		🇨🇳CN	assigned
219.238.186.64/26		🇨🇳CN	assigned
219.238.187.160/27		🇨🇳CN	assigned
219.238.187.192/27		🇨🇳CN	assigned
219.238.188.0/26		🇨🇳CN	assigned
219.238.188.64/26		🇨🇳CN	assigned
219.238.188.128/27		🇨🇳CN	assigned
219.238.188.160/27		🇨🇳CN	assigned
219.238.188.192/27		🇨🇳CN	assigned
219.238.189.0/27		🇨🇳CN	assigned
219.238.189.64/26		🇨🇳CN	assigned
219.238.189.160/27		🇨🇳CN	assigned
219.238.189.192/27		🇨🇳CN	assigned
219.238.190.0/25		🇨🇳CN	assigned
219.238.191.0/24		🇨🇳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

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/219.238.128.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/219.238.128.0/18" | jq

External Links

RIPEstat