Autonomous System

AS16831 1Finity Americas, Inc.

HostingActiveUnited StatesARIN

AS16831 (FUJITSU) is a hosting network operated by 1Finity Americas, Inc. in United States, registered with ARIN. It has 32 IPv4 prefixes with 17,664 addresses, which makes it the 7,356th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses17,664in 32 prefixes
IPv6 prefixes0none
Size rank#7,356of 82,558 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

Organization1Finity Americas, Inc.
AS nameFUJITSU
Country United States (US)
Network typeHosting
RegistryARIN
Abuse contactjeff.wood@fujitsu.com
Registered2000-06-14
Last updated2025-11-11

IPv4 prefixes

32 prefixes · 17,664 addresses
NetworkAddressesFirst – last address
168.127.208.0/204,096168.127.208.0 – 168.127.223.255
168.127.224.0/204,096168.127.224.0 – 168.127.239.255
168.127.40.0/212,048168.127.40.0 – 168.127.47.255
168.127.0.0/24256168.127.0.0 – 168.127.0.255
168.127.1.0/24256168.127.1.0 – 168.127.1.255
168.127.2.0/24256168.127.2.0 – 168.127.2.255
168.127.3.0/24256168.127.3.0 – 168.127.3.255
168.127.5.0/24256168.127.5.0 – 168.127.5.255
168.127.11.0/24256168.127.11.0 – 168.127.11.255
168.127.12.0/24256168.127.12.0 – 168.127.12.255
168.127.15.0/24256168.127.15.0 – 168.127.15.255
168.127.18.0/24256168.127.18.0 – 168.127.18.255
168.127.19.0/24256168.127.19.0 – 168.127.19.255
168.127.20.0/24256168.127.20.0 – 168.127.20.255
168.127.27.0/24256168.127.27.0 – 168.127.27.255
168.127.130.0/24256168.127.130.0 – 168.127.130.255
168.127.131.0/24256168.127.131.0 – 168.127.131.255
168.127.132.0/24256168.127.132.0 – 168.127.132.255
168.127.133.0/24256168.127.133.0 – 168.127.133.255
168.127.134.0/24256168.127.134.0 – 168.127.134.255
168.127.135.0/24256168.127.135.0 – 168.127.135.255
168.127.136.0/24256168.127.136.0 – 168.127.136.255
168.127.148.0/24256168.127.148.0 – 168.127.148.255
168.127.149.0/24256168.127.149.0 – 168.127.149.255
168.127.150.0/24256168.127.150.0 – 168.127.150.255
The 25 largest of 32. The API and the database have all of them.

IPv6 prefixes

No IPv6 prefixes.

Query AS16831 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=AS16831&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS16831, with or without a key:

curl "https://api.ipapi.is/?q=168.127.208.1"

Largest networks in United States