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ICUK Computing Services Limited logo

ICUK Computing Services Limited

🇬🇧 United Kingdom

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

AS51561

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

isp

Website

interdns.co.uk

Related ASNs have the same name or website. Related

-

IPv4 CIDRs

42

IPv4 addresses

62976

IPv6 CIDRs

2

IPv6 addresses

65537

Upstreams are networks that provide transit to this ASN. Upstreams (5)

AS13335 Cloudflare, Inc. logo Cloudflare, Inc.
AS2914 NTT America, Inc. logo NTT America, Inc.
AS3356 Lumen (Level 3) logo Lumen (Level 3)
AS6939 Hurricane Electric LLC logo Hurricane Electric LLC
AS174 Cogent Communications logo Cogent Communications

Downstreams are networks that receive transit from this ASN. Downstreams (3)

AS199204 Webmate Internet Services Ltd. logo Webmate Internet Services Ltd.
AS201060 SNETTERTON TELECOM LIMITED logo SNETTERTON TELECOM LIMITED
AS42330 -

Peers are networks that exchange traffic with this ASN. Peers (20)

AS2914 NTT America, Inc. logo NTT America, Inc.
AS7575 Australian Academic and Research Network (AARNet) logo Australian Academic and Research Network (AARNet)
AS174 Cogent Communications logo Cogent Communications
AS17639 Converge ICT Solutions Inc. logo Converge ICT Solutions Inc.
AS50304 Blix Solutions AS logo Blix Solutions AS
View more
AS48362 Stadtwerke Feldkirch logo Stadtwerke Feldkirch
AS201060 SNETTERTON TELECOM LIMITED logo SNETTERTON TELECOM LIMITED
AS35280 F5 Networks SARL logo F5 Networks SARL
AS42330 -
AS199204 Webmate Internet Services Ltd. logo Webmate Internet Services Ltd.
AS37721 Virtual Technologies & Solutions
AS24482 SG.GS logo SG.GS
AS3216 PJSC "Vimpelcom" logo PJSC "Vimpelcom"
AS34549 meerfarbig GmbH & Co. KG logo meerfarbig GmbH & Co. KG
AS3356 Lumen (Level 3) logo Lumen (Level 3)
AS13335 Cloudflare, Inc. logo Cloudflare, Inc.
AS213241 TECHIT.BE SRL logo TECHIT.BE SRL
AS6939 Hurricane Electric LLC logo Hurricane Electric LLC
AS50300 CustodianDC Limited logo CustodianDC Limited
AS41327 Fiber Telecom S.p.A. logo Fiber Telecom S.p.A.

Location

City

Croydon

Country

🇬🇧 United Kingdom

Coordinates

51.38333, -0.1

Timezone

Europe/London

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

whois

Abuse

Email

abuse@interdns.co.uk

Phone

-

Query via the API View API documentation

curl iplib.re/AS51561

JSON response

{
  "network": {
    "rir": "RIPE",
    "asn": 51561,
    "name": "ICUK Computing Services Limited",
    "type": "isp",
    "website": "interdns.co.uk"
  },
  "connectivity": {
    "upstreams": [
      13335,
      2914,
      3356,
      6939,
      174
    ],
    "downstreams": [
      199204,
      201060,
      42330
    ],
    "peers": [
      2914,
      7575,
      174,
      17639,
      50304
    ]
  },
  "location": {
    "latitude": 51.38333,
    "longitude": -0.1,
    "country": "GB",
    "city": "Croydon",
    "source": "whois",
    "timezone": "Europe/London"
  },
  "abuse": {
    "email": "abuse@interdns.co.uk"
  },
  "ipv4": {
    "ranges": [
      "2.56.84.0/22",
      "5.133.168.0/23",
      "5.133.170.0/23",
      "5.254.162.0/23",
      "5.254.164.0/23"
    ],
    "cidrs": 42,
    "ips": 62976
  },
  "ipv6": {
    "ranges": [
      "2a00:b900::/32",
      "2a00:b900:2::/48"
    ],
    "cidrs": 2,
    "ips": 65537
  }
}