Autonomous System

AS398991 X99

HostingActiveUnited StatesARIN

AS398991 (X99-US) is a hosting network operated by X99 in United States, registered with ARIN. It has 50 IPv4 prefixes with 17,664 addresses and 6 IPv6 prefixes, which makes it the 7,394th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses17,664in 50 prefixes
IPv6 prefixes6≈ 4.6 × 10²⁸ addresses
Size rank#7,394of 82,200 active ASNs
Abuser scoreLow0.11% of its addresses flagged · method

Details

OrganizationX99
AS nameX99-US
Websitex99.cloud
Country United States (US)
Network typeHosting
RegistryARIN
Abuse contactnetabuse@x99.cloud
Registered2024-02-22
Last updated2024-02-22

IPv4 prefixes

50 prefixes · 17,664 addresses
NetworkAddressesFirst – last address
38.46.142.0/2351238.46.142.0 – 38.46.143.255
38.81.122.0/2351238.81.122.0 – 38.81.123.255
38.99.238.0/2351238.99.238.0 – 38.99.239.255
38.100.202.0/2351238.100.202.0 – 38.100.203.255
38.135.26.0/2351238.135.26.0 – 38.135.27.255
38.183.188.0/2351238.183.188.0 – 38.183.189.255
38.247.70.0/2351238.247.70.0 – 38.247.71.255
130.250.188.0/23512130.250.188.0 – 130.250.189.255
142.99.102.0/23512142.99.102.0 – 142.99.103.255
184.154.240.0/23512184.154.240.0 – 184.154.241.255
184.154.242.0/23512184.154.242.0 – 184.154.243.255
184.154.244.0/23512184.154.244.0 – 184.154.245.255
198.13.16.0/23512198.13.16.0 – 198.13.17.255
206.109.56.0/23512206.109.56.0 – 206.109.57.255
206.109.58.0/23512206.109.58.0 – 206.109.59.255
208.122.16.0/23512208.122.16.0 – 208.122.17.255
208.122.18.0/23512208.122.18.0 – 208.122.19.255
209.131.120.0/23512209.131.120.0 – 209.131.121.255
209.131.122.0/23512209.131.122.0 – 209.131.123.255
23.231.97.0/2425623.231.97.0 – 23.231.97.255
38.46.142.0/2425638.46.142.0 – 38.46.142.255
38.46.143.0/2425638.46.143.0 – 38.46.143.255
38.81.123.0/2425638.81.123.0 – 38.81.123.255
38.99.238.0/2425638.99.238.0 – 38.99.238.255
38.99.239.0/2425638.99.239.0 – 38.99.239.255
The 25 largest of 50. The API and the database have all of them.

IPv6 prefixes

6 prefixes
  • 2607:a540::/33
  • 2607:a540:9000::/38
  • 2607:a540:9400::/38
  • 2607:a540:9800::/38
  • 2607:a540:9c00::/38
  • 2607:a540:a000::/38

Query AS398991 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=AS398991&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS398991, with or without a key:

curl "https://api.ipapi.is/?q=38.46.142.1"

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