HomePrefix Lookup5.28.56.0/21

5.28.56.0/21

🇬🇧
CIDR
5.28.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPENCC
Status
allocated
Allocated
5/8/2012

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
5.28.56.0/21AS35425BYTEMARK-AS Iomart Managed Services LimitedNo ROA
RIPE
5/31/2026

IRR Route Objects

1
OriginRegistryMaintainerModified
AS35425RIPEMNT-BYTEMARK1/15/2015

More Specific Prefixes

10
PrefixASCountryStatus
5.28.60.0/23🇬🇧GBassigned
5.28.62.0/24🇬🇧GBassigned
5.28.63.0/24🇬🇧GBassigned
5.28.56.0/24🇬🇧GBassigned
5.28.58.0/24🇬🇧GBassigned
5.28.57.64/26🇬🇧GBassigned
5.28.57.192/26🇬🇧GBassigned
5.28.57.128/27🇬🇧GBassigned
5.28.57.176/28🇬🇧GBassigned
5.28.57.160/28🇬🇧GBassigned
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityLondon
Abuse Contact
GEThttps://api.ipctl.io/v1/prefix/5.28.56.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/5.28.56.0/21" | jq