HomePrefix Lookup178.22.136.0/23

178.22.136.0/23

🇬🇧
IPv4RIPENCCannouncedAS42353SIMWOOD Simwood eSMS Limited RPKI Valid
CIDR
178.22.136.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
Hambrook
RIR
RIPENCC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
178.22.136.0/23AS42353SIMWOOD Simwood eSMS Limited Valid
RIPE
5/30/2026

Covering Prefix

3 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
178.22.136.0/21AS42353SIMWOOD Simwood eSMS Limited Valid—5/30/2026
178.22.136.0/24AS42353SIMWOOD Simwood eSMS Limited Valid—5/30/2026
178.22.137.0/24AS42353SIMWOOD Simwood eSMS Limited Valid—5/30/2026

RPKI ROAs

2
PrefixOriginMax LengthTrust Anchor
178.22.136.0/23AS42353/23ripe
178.22.136.0/21AS42353/21ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS42353RIPESIMWOOD-MNT9/20/2012

More Specific Prefixes

7
PrefixASCountryStatus
178.22.136.0/24AS42353🇬🇧GBassigned
178.22.137.0/27🇬🇧GBassigned
178.22.137.64/28🇬🇧GBassigned
178.22.137.48/28🇬🇧GBassigned
178.22.137.40/29🇬🇧GBassigned
178.22.137.32/31🇬🇧GBassigned
178.22.137.34/32🇬🇧GBassigned
Origin ASN
AS42353
SIMWOOD Simwood eSMS Limited
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityHambrook
Coordinates51.5239, -2.5286 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/178.22.136.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/178.22.136.0/23" | jq
External Links
RIPEstat Hurricane Electric BGP