Autonomous System

AS21433 Accenture UK Limited

BusinessActiveUnited KingdomRIPE

AS21433 (AccentureFSSC) is a business network operated by Accenture UK Limited in United Kingdom, registered with RIPE. It has 323 IPv4 prefixes with 104,064 addresses and 63 IPv6 prefixes, which makes it the 2,275th largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses104,064in 323 prefixes
IPv6 prefixes63≈ 1.3 × 10²⁶ addresses
Size rank#2,275of 82,283 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationAccenture UK Limited
AS nameAccentureFSSC
Websiteaccenture.com
Country United Kingdom (GB)
Network typeBusiness
RegistryRIPE
Abuse contactdnsadmin@accenture.com
Registered2001-12-10
Last updated2025-10-29

IPv4 prefixes

323 prefixes · 104,064 addresses
NetworkAddressesFirst – last address
170.251.120.0/212,048170.251.120.0 – 170.251.127.255
170.251.72.0/221,024170.251.72.0 – 170.251.75.255
170.251.100.0/221,024170.251.100.0 – 170.251.103.255
170.251.188.0/221,024170.251.188.0 – 170.251.191.255
144.36.26.0/23512144.36.26.0 – 144.36.27.255
144.36.32.0/23512144.36.32.0 – 144.36.33.255
144.36.70.0/23512144.36.70.0 – 144.36.71.255
144.36.118.0/23512144.36.118.0 – 144.36.119.255
144.36.120.0/23512144.36.120.0 – 144.36.121.255
144.36.130.0/23512144.36.130.0 – 144.36.131.255
144.36.134.0/23512144.36.134.0 – 144.36.135.255
144.36.136.0/23512144.36.136.0 – 144.36.137.255
144.36.138.0/23512144.36.138.0 – 144.36.139.255
144.36.140.0/23512144.36.140.0 – 144.36.141.255
144.36.168.0/23512144.36.168.0 – 144.36.169.255
144.36.182.0/23512144.36.182.0 – 144.36.183.255
144.36.184.0/23512144.36.184.0 – 144.36.185.255
144.36.188.0/23512144.36.188.0 – 144.36.189.255
144.36.194.0/23512144.36.194.0 – 144.36.195.255
144.36.200.0/23512144.36.200.0 – 144.36.201.255
144.36.206.0/23512144.36.206.0 – 144.36.207.255
144.36.210.0/23512144.36.210.0 – 144.36.211.255
144.36.214.0/23512144.36.214.0 – 144.36.215.255
144.36.220.0/23512144.36.220.0 – 144.36.221.255
144.36.222.0/23512144.36.222.0 – 144.36.223.255
The 25 largest of 323. The API and the database have all of them.

IPv6 prefixes

63 prefixes
  • 2404:3d00:40f6::/47
  • 2404:3d00:413a::/47
  • 2404:3d00:41e2::/47
  • 2404:3d00:41ee::/47
  • 2801:1f0:4048::/47
  • 2801:1f0:404c::/47
  • 2801:1f0:4056::/47
  • 2801:1f0:4058::/47
  • 2801:1f0:405a::/47
  • 2801:1f0:406e::/47
  • 2801:1f0:4070::/47
  • 2801:1f0:4074::/47
  • 2801:1f0:4076::/47
  • 2a02:ee80:102::/47
  • 2a02:ee80:40b2::/47
  • 2a02:ee80:40c0::/47
  • 2a02:ee80:419a::/47
  • 2a02:ee80:41c2::/47
  • 2a02:ee80:41ec::/47
  • 2a02:ee80:4236::/47
  • 2a02:ee80:4248::/47
  • 2a02:ee80:4250::/47
  • 2a02:ee80:42ce::/47
  • 2a02:ee80:42f8::/47
  • 2a02:ee80:4308::/47
The 25 largest of 63. The API and the database have all of them.

Query AS21433 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS21433&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS21433, with or without a key:

curl "https://api.ipapi.is/?q=170.251.120.1"

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