HomePrefix Lookup155.136.0.0/16

155.136.0.0/16

🇬🇧
IPv4RIPENCCassignedAS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA
CIDR
155.136.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇬🇧 United Kingdom
City
London (Islington)
RIR
RIPENCC
Status
assigned
Allocated
11/8/1991

Announced BGP Routes

1 of 1 route
RPKI:
IRR:
PrefixOrigin ASRPKIIRRLast Seen
155.136.0.0/16AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA
RADBRIPE
5/31/2026

Covering Prefix

30 less-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
155.136.0.0/17AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.128.0/17AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.60.0/22AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.56.0/22AS21301UK-NATWEST-AS21301 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
155.136.232.0/23AS61231Neos-Networks Neos Networks LimitedNo ROA—5/31/2026
155.136.198.0/23AS61231Neos-Networks Neos Networks LimitedNo ROA—5/31/2026
155.136.230.0/23AS61231Neos-Networks Neos Networks LimitedNo ROA—5/31/2026
155.136.144.0/24AS21054UK-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
155.136.61.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.60.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.202.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.203.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.63.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.62.0/24AS21054UK-NATWEST-AS21054 Natwest Markets PLCNo ROA—5/31/2026
155.136.200.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.144.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.201.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.146.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.151.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.59.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.56.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.58.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026
155.136.57.0/24AS21301UK-NATWEST-AS21301 Natwest Markets PLCNo ROA—5/31/2026

IRR Route Objects

4
OriginRegistryMaintainerModified
AS21054RADBMAINT-AS3278711/13/2023
AS32787RADBMAINT-AS896611/13/2023
AS21054RIPERBSG-MNT9/19/2016
AS32787RIPEMNT-PROLE3/25/2011
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/155.136.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/155.136.0.0/16" | jq
External Links
RIPEstat Hurricane Electric BGP