Autonomous System

AS11509 Tierzero

ISPActiveUnited StatesARIN

AS11509 (TIERZERO-AS11509) is an ISP network operated by Tierzero in United States, registered with ARIN. It has 14 IPv4 prefixes with 118,528 addresses and 1 IPv6 prefix, which makes it the 2,104th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses118,528in 14 prefixes
IPv6 prefixes1≈ 5.0 × 10²⁷ addresses
Size rank#2,104of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationTierzero
AS nameTIERZERO-AS11509
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@tierzero.com
Registered1998-09-15
Last updated2012-02-24

IPv4 prefixes

14 prefixes · 118,528 addresses
NetworkAddressesFirst – last address
208.179.0.0/1665,536208.179.0.0 – 208.179.255.255
64.239.128.0/1816,38464.239.128.0 – 64.239.191.255
216.31.128.0/1816,384216.31.128.0 – 216.31.191.255
72.18.0.0/198,19272.18.0.0 – 72.18.31.255
66.6.208.0/204,09666.6.208.0 – 66.6.223.255
216.116.104.0/212,048216.116.104.0 – 216.116.111.255
216.116.112.0/212,048216.116.112.0 – 216.116.119.255
216.116.100.0/221,024216.116.100.0 – 216.116.103.255
216.116.120.0/221,024216.116.120.0 – 216.116.123.255
216.116.96.0/23512216.116.96.0 – 216.116.97.255
216.116.124.0/23512216.116.124.0 – 216.116.125.255
162.142.73.0/24256162.142.73.0 – 162.142.73.255
216.116.99.0/24256216.116.99.0 – 216.116.99.255
216.116.126.0/24256216.116.126.0 – 216.116.126.255

IPv6 prefixes

1 prefix
  • 2604:4bc0::/36

Query AS11509 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=AS11509&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS11509, with or without a key:

curl "https://api.ipapi.is/?q=208.179.0.1"

Largest networks in United States