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Natwest Markets PLC logo

Natwest Markets PLC

🇬🇧 United Kingdom

The ASN (Autonomous System Number) is a unique number assigned to an autonomous system, used to identify the network. ASN

AS21054

The RIR (Regional Internet Registry) is the organization responsible for managing ASN allocation in a specific region. RIR

RIPE

The type of ASN. Can be business, isp, hosting, government, or education. Type

business

Website

rbs.com

Related ASNs have the same name or website. Related

AS135833 AS50422 AS21301 AS135828 AS212885 AS50432

IPv4 CIDRs

11

IPv4 addresses

133888

IPv6 CIDRs

0

IPv6 addresses

0

Upstreams are networks that provide transit to this ASN. Upstreams (3)

AS1273 Vodafone Group PLC logo Vodafone Group PLC
AS32787 Akamai (Prolexic) logo Akamai (Prolexic)
AS2856 British Telecommunications logo British Telecommunications

Peers are networks that exchange traffic with this ASN. Peers (3)

AS32787 Akamai (Prolexic) logo Akamai (Prolexic)
AS1273 Vodafone Group PLC logo Vodafone Group PLC
AS2856 British Telecommunications logo British Telecommunications

IPv4 CIDRs (11)

155.136.0.0/16
155.136.0.0/17
155.136.128.0/17
155.136.60.0/22
155.136.60.0/24
View more
155.136.61.0/24
155.136.62.0/24
155.136.63.0/24
155.136.197.0/24
155.136.202.0/24
155.136.203.0/24

IPv6 CIDRs (0)

Location

City

London

Country

🇬🇧 United Kingdom

Coordinates

51.50853, -0.12574

Timezone

Europe/London

We transparently share the different sources used to determine a likely location for this IP address. Source

whois

Abuse

Email

ripe-abuse@rbs.com

Phone

+44 20 7063 1687

Query via the API View API documentation 

curl iplib.re/AS21054

JSON response

{
  "network": {
    "rir": "RIPE",
    "asn": 21054,
    "name": "Natwest Markets PLC",
    "type": "business",
    "website": "rbs.com",
    "related": [
      135833,
      50422,
      21301,
      135828,
      212885,
      50432
    ]
  },
  "connectivity": {
    "upstreams": [
      1273,
      32787,
      2856
    ],
    "peers": [
      32787,
      1273,
      2856
    ]
  },
  "location": {
    "latitude": 51.50853,
    "longitude": -0.12574,
    "country": "GB",
    "city": "London",
    "source": "whois",
    "timezone": "Europe/London"
  },
  "abuse": {
    "email": "ripe-abuse@rbs.com",
    "phone": "+44 20 7063 1687"
  },
  "ipv4": {
    "ranges": [
      "155.136.0.0/16",
      "155.136.0.0/17",
      "155.136.128.0/17",
      "155.136.60.0/22",
      "155.136.60.0/24"
    ],
    "cidrs": 11,
    "ips": 133888
  },
  "ipv6": {
    "ranges": [],
    "cidrs": 0,
    "ips": 0
  }
}