155.136.202.0

London · United Kingdom · Natwest Markets PLC

Autonomous system: AS21054
Country: GB
Risk score: Not a probability

IP address summary

IP address: 155.136.202.0
ASN: AS21054
Network operator: Natwest Markets PLC
ISP: Natwest Markets PLC
Containing network profile: 155.136.0.0/16
Operator category: Enterprise

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN: AS21054
Source label: UK-NATWEST-AS21054 Natwest Markets PLC
Reference interval: 155.136.202.0 to 155.136.203.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS21054. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IPtoASN source Reference methodology

IP geolocation

World map with country boundaries — Approximate network location; not a device positionNatural Earth map data

Country: United Kingdom
City: London
Region: England
Postal code: Not supplied
Timezone: Europe/London
Local time: 2026-11-03 20:53:10
Approximate coordinates: 51.539, -0.121

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingNot classified

MobileNot classified

Risk score: 0

A low score is not proof that an address is safe.

Read exact field definitions

ASN and network operator

AS21054 profile

Organization: Natwest Markets PLC
ASN domain: rbs.com
Operator type: Enterprise

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range: 155.136.202.0 – 155.136.223.255
Registered network name: UK-NATWEST-155-136-0-0-16
Registered network block: 155.136.0.0/16
Registration source: RIPENCC WHOIS
Company: NatWest
Usage type: business
Company website: natwest.com

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Contact name: Sean Jarvis
Published contact network: 155.136.0.0/16
Abuse email: sean.jarvis@natwest.com
Phone: +44 7972 792793
Postal address: 250 Bishopsgate, London, EC2M 3UR
Contact country: United Kingdom

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON

155.136.202.0 · live response

{
  "ip": "155.136.202.0",
  "isp": {
    "asn": "AS21054",
    "org": "Natwest Markets PLC",
    "isp": "Natwest Markets PLC"
  },
  "location": {
    "country": "United Kingdom",
    "country_code": "GB",
    "city": "London",
    "state": "England",
    "zipcode": "",
    "latitude": 51.53882159981333,
    "longitude": -0.12085799087186073,
    "timezone": "Europe/London",
    "localtime": "2026-11-03T20:53:10"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}