HomePrefix Lookup155.136.128.0/17

155.136.128.0/17

🇬🇧
IPv4RIPENCCannouncedAS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA
CIDR
155.136.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇬🇧 United Kingdom
City
London (Islington)
RIR
RIPENCC
Status
announced
Allocated
-

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
155.136.128.0/17AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026

Covering Prefix

19 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
155.136.0.0/16AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.224.0/22AS61231Neos-Networks Neos Networks LimitedNo ROA—5/31/2026
155.136.200.0/23AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.202.0/23AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.200.0/23AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.202.0/23AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.230.0/23AS61231Neos-Networks Neos Networks LimitedNo ROA—5/31/2026
155.136.198.0/23AS61231Neos-Networks Neos Networks LimitedNo ROA—5/31/2026
155.136.232.0/23AS61231Neos-Networks Neos Networks LimitedNo ROA—5/31/2026
155.136.202.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.146.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.197.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.203.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.144.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.151.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.146.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.200.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.201.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.144.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
Origin ASN
AS21054
UK-NATWEST-AS21054 Natwest Markets PLC
Geolocation
Country🇬🇧United KingdomGB
RegionEngland
CityLondon (Islington)
Coordinates51.5330, -0.1051 ↗
Abuse Contact
API
Open
GEThttps://api.ipctl.io/v1/prefix/155.136.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/155.136.128.0/17" | jq
External Links
RIPEstat Hurricane Electric BGP