Autonomous System

AS21743 Atlas Networks Corporation

ISPActiveUnited StatesARIN

AS21743 (ANL-36) is an ISP network operated by Atlas Networks Corporation in United States, registered with ARIN. It has 23 IPv4 prefixes with 22,528 addresses and 2 IPv6 prefixes, which makes it the 6,391st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses22,528in 23 prefixes
IPv6 prefixes2≈ 7.9 × 10²⁸ addresses
Size rank#6,391of 82,200 active ASNs
Abuser scoreLow0.2% of its addresses flagged · method

Details

OrganizationAtlas Networks Corporation
AS nameANL-36
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@atlasnet.com
Registered2011-01-20
Last updated2014-08-05

IPv4 prefixes

23 prefixes · 22,528 addresses
NetworkAddressesFirst – last address
66.171.176.0/204,09666.171.176.0 – 66.171.191.255
66.170.184.0/212,04866.170.184.0 – 66.170.191.255
149.57.248.0/212,048149.57.248.0 – 149.57.255.255
199.231.240.0/212,048199.231.240.0 – 199.231.247.255
69.5.52.0/221,02469.5.52.0 – 69.5.55.255
91.234.156.0/221,02491.234.156.0 – 91.234.159.255
104.36.44.0/221,024104.36.44.0 – 104.36.47.255
104.192.204.0/221,024104.192.204.0 – 104.192.207.255
104.247.120.0/221,024104.247.120.0 – 104.247.123.255
104.255.0.0/221,024104.255.0.0 – 104.255.3.255
149.18.8.0/221,024149.18.8.0 – 149.18.11.255
154.6.48.0/221,024154.6.48.0 – 154.6.51.255
216.247.100.0/221,024216.247.100.0 – 216.247.103.255
104.254.210.0/23512104.254.210.0 – 104.254.211.255
209.200.234.0/23512209.200.234.0 – 209.200.235.255
45.42.141.0/2425645.42.141.0 – 45.42.141.255
45.42.142.0/2425645.42.142.0 – 45.42.142.255
64.57.177.0/2425664.57.177.0 – 64.57.177.255
66.93.14.0/2425666.93.14.0 – 66.93.14.255
66.248.243.0/2425666.248.243.0 – 66.248.243.255
161.129.176.0/24256161.129.176.0 – 161.129.176.255
165.140.26.0/24256165.140.26.0 – 165.140.26.255
216.75.151.0/24256216.75.151.0 – 216.75.151.255

IPv6 prefixes

2 prefixes
  • 2607:9100::/32
  • 2620:b9:e000::/48

Query AS21743 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=AS21743&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS21743, with or without a key:

curl "https://api.ipapi.is/?q=66.171.176.1"

Largest networks in United States