HomePrefix Lookup104.238.40.0/21

104.238.40.0/21

🇬🇧
IPv4ARINannouncedAS51809BRSK BRSK LimitedNo ROA
CIDR
104.238.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
ARIN
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
104.238.40.0/21AS51809BRSK BRSK LimitedNo ROA
ARIN
5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS51809ARINMNT-WL-1139/4/2024
Origin ASN
AS51809
BRSK BRSK Limited
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityLondon
Coordinates51.5072, -0.1276 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/104.238.40.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/104.238.40.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP