HomePrefix Lookup210.51.8.0/21

210.51.8.0/21

🇨🇳
CIDR
210.51.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Jinrongjie (Xicheng District)
RIR
APNIC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
210.51.8.0/21AS4808CHINA169-BJ - China Unicom Beijing Province Network Valid—5/31/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
210.51.0.0/16AS9929CUII - CHINA UNICOM Industrial Internet BackboneNo ROA—5/31/2026

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
210.51.8.0/21AS4808/21apnic

More Specific Prefixes

9
PrefixASCountryStatus
210.51.8.160/27🇨🇳CNassigned
210.51.8.192/27🇨🇳CNassigned
210.51.8.96/27🇨🇳CNassigned
210.51.8.0/27🇨🇳CNassigned
210.51.8.224/27🇨🇳CNassigned
210.51.8.32/27🇨🇳CNassigned
210.51.8.128/27🇨🇳CNassigned
210.51.8.80/28🇨🇳CNassigned
210.51.8.64/28🇨🇳CNassigned
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityJinrongjie (Xicheng District)
GEThttps://api.ipctl.io/v1/prefix/210.51.8.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/210.51.8.0/21" | jq