HomePrefix Lookup142.54.40.0/23

142.54.40.0/23

🇬🇧
IPv4ARINallocated RPKI Valid
CIDR
142.54.40.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
London
RIR
ARIN
Status
allocated
Allocated
5/13/1991

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
This prefix is not currently announced in BGP. See covering prefix below.

Covering Prefix

2 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
142.54.41.0/24AS14618AMAZON-AES - Amazon.com, Inc. Valid—6/15/2026
142.54.40.0/24AS16509AMAZON-02 - Amazon.com, Inc. Valid—6/15/2026
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityLondon
GEThttps://api.ipctl.io/v1/prefix/142.54.40.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/142.54.40.0/23" | jq