HomePrefix Lookup178.78.120.0/21

178.78.120.0/21

🇬🇧
IPv4RIPEassignedAS2856BT-UK-AS British Telecommunications PLC RPKI Valid
CIDR
178.78.120.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE
Status
assigned
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
178.78.120.0/21AS2856BT-UK-AS British Telecommunications PLC Valid
RIPE
5/31/2026

Covering Prefix

1 less-specific announcement
PrefixOrigin ASRPKIIRRLast Seen
178.78.64.0/18AS12390KINGSTON-UK-AS KCOM Group Limited Valid—5/31/2026

RPKI ROAs

3
PrefixOriginMax LengthTrust Anchor
178.78.120.0/21AS2856/21ripe
178.78.64.0/18AS12390/18ripe
178.78.64.0/18AS19905/24ripe

IRR Route Objects

1
OriginRegistryMaintainerModified
AS2856RIPEBTNET-MNT8/2/2010

More Specific Prefixes

69
PrefixASCountryStatus
178.78.122.0/24🇬🇧GBassigned
178.78.121.128/25🇬🇧GBassigned
178.78.121.0/25🇬🇧GBassigned
178.78.123.0/26🇬🇧GBassigned
178.78.123.64/26🇬🇧GBassigned
178.78.120.32/27🇬🇧GBassigned
178.78.120.64/27🇬🇧GBassigned
178.78.127.160/27🇬🇧GBassigned
178.78.126.64/27🇬🇧GBassigned
178.78.120.128/28🇬🇧GBassigned
178.78.120.208/28🇬🇧GBassigned
178.78.120.224/28🇬🇧GBassigned
178.78.123.128/28🇬🇧GBassigned
178.78.124.144/28🇬🇧GBassigned
178.78.125.96/28🇬🇧GBassigned
178.78.126.112/28🇬🇧GBassigned
178.78.127.96/28🇬🇧GBassigned
178.78.120.0/28🇬🇧GBassigned
178.78.120.16/28🇬🇧GBassigned
178.78.120.112/28🇬🇧GBassigned
178.78.123.224/28🇬🇧GBassigned
178.78.125.0/28🇬🇧GBassigned
178.78.125.192/28🇬🇧GBassigned
178.78.125.208/28🇬🇧GBassigned
178.78.126.192/28🇬🇧GBassigned
178.78.127.32/28🇬🇧GBassigned
178.78.127.64/28🇬🇧GBassigned
178.78.127.144/28🇬🇧GBassigned
178.78.125.232/29🇬🇧GBassigned
178.78.127.112/29🇬🇧GBassigned
178.78.125.184/29🇬🇧GBassigned
178.78.120.168/29🇬🇧GBassigned
178.78.120.192/29🇬🇧GBassigned
178.78.127.48/29🇬🇧GBassigned
178.78.125.40/29🇬🇧GBassigned
178.78.126.96/29🇬🇧GBassigned
178.78.127.216/29🇬🇧GBassigned
178.78.126.0/29🇬🇧GBassigned
178.78.123.240/29🇬🇧GBassigned
178.78.120.152/29🇬🇧GBassigned
178.78.120.160/29🇬🇧GBassigned
178.78.126.216/29🇬🇧GBassigned
178.78.123.152/29🇬🇧GBassigned
178.78.123.160/29🇬🇧GBassigned
178.78.123.184/29🇬🇧GBassigned
178.78.123.216/29🇬🇧GBassigned
178.78.127.192/29🇬🇧GBassigned
178.78.123.248/29🇬🇧GBassigned
178.78.124.128/29🇬🇧GBassigned
178.78.127.200/29🇬🇧GBassigned
178.78.125.88/29🇬🇧GBassigned
178.78.125.112/29🇬🇧GBassigned
178.78.125.128/29🇬🇧GBassigned
178.78.125.176/29🇬🇧GBassigned
178.78.127.208/29🇬🇧GBassigned
178.78.120.200/29🇬🇧GBassigned
178.78.126.8/29🇬🇧GBassigned
178.78.126.24/29🇬🇧GBassigned
178.78.125.240/30🇬🇧GBassigned
178.78.120.144/30🇬🇧GBassigned
178.78.126.248/30🇬🇧GBassigned
178.78.123.144/30🇬🇧GBassigned
178.78.120.252/30🇬🇧GBassigned
178.78.125.152/30🇬🇧GBassigned
178.78.125.156/30🇬🇧GBassigned
178.78.127.124/30🇬🇧GBassigned
178.78.126.20/30🇬🇧GBassigned
178.78.127.120/31🇬🇧GBassigned
178.78.127.122/32🇬🇧GBassigned
Origin ASN
AS2856
BT-UK-AS British Telecommunications PLC
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityLondon
Coordinates51.5203, -0.1702 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/178.78.120.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/178.78.120.0/21" | jq
External Links
RIPEstat Hurricane Electric BGP