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 318 IPv4 prefixes with 102,272 addresses and 62 IPv6 prefixes, which makes it the 2,289th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses102,272in 318 prefixes
IPv6 prefixes62≈ 1.3 × 10²⁶ addresses
Size rank#2,289of 82,200 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

318 prefixes · 102,272 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 318. The API and the database have all of them.

IPv6 prefixes

62 prefixes
  • 2404:3d00:40f6::/47
  • 2404:3d00:413a::/47
  • 2404:3d00:41e2::/47
  • 2404:3d00:41ee::/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
  • 2a02:ee80:4318::/47
The 25 largest of 62. 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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