Autonomous System

AS3356 Level 3 Parent, LLC

ISPActiveUnited StatesARIN

AS3356 (LEVEL3) is an ISP network operated by Level 3 Parent, LLC in United States, registered with ARIN. It has 936 IPv4 prefixes with 34,526,720 addresses and 127 IPv6 prefixes, which makes it the 18th largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses34,526,720in 936 prefixes
IPv6 prefixes127≈ 1.6 × 10³⁰ addresses
Size rank#18of 82,283 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationLevel 3 Parent, LLC
AS nameLEVEL3
Websitelevel3.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@level3.com
Registered2000-03-10
Last updated2018-02-20

IPv4 prefixes

936 prefixes · 34,526,720 addresses
NetworkAddressesFirst – last address
4.0.0.0/98,388,6084.0.0.0 – 4.127.255.255
8.0.0.0/98,388,6088.0.0.0 – 8.127.255.255
8.0.0.0/121,048,5768.0.0.0 – 8.15.255.255
8.16.0.0/121,048,5768.16.0.0 – 8.31.255.255
8.32.0.0/121,048,5768.32.0.0 – 8.47.255.255
8.48.0.0/121,048,5768.48.0.0 – 8.63.255.255
8.64.0.0/121,048,5768.64.0.0 – 8.79.255.255
8.192.0.0/121,048,5768.192.0.0 – 8.207.255.255
8.240.0.0/121,048,5768.240.0.0 – 8.255.255.255
63.208.0.0/13524,28863.208.0.0 – 63.215.255.255
64.152.0.0/13524,28864.152.0.0 – 64.159.255.255
67.24.0.0/13524,28867.24.0.0 – 67.31.255.255
204.160.0.0/13524,288204.160.0.0 – 204.167.255.255
8.224.0.0/14262,1448.224.0.0 – 8.227.255.255
64.192.0.0/14262,14464.192.0.0 – 64.195.255.255
65.56.0.0/14262,14465.56.0.0 – 65.59.255.255
65.88.0.0/14262,14465.88.0.0 – 65.91.255.255
67.72.0.0/14262,14467.72.0.0 – 67.75.255.255
67.96.0.0/14262,14467.96.0.0 – 67.99.255.255
198.76.0.0/14262,144198.76.0.0 – 198.79.255.255
198.92.0.0/14262,144198.92.0.0 – 198.95.255.255
198.112.0.0/14262,144198.112.0.0 – 198.115.255.255
199.92.0.0/14262,144199.92.0.0 – 199.95.255.255
205.128.0.0/14262,144205.128.0.0 – 205.131.255.255
205.180.0.0/14262,144205.180.0.0 – 205.183.255.255
The 25 largest of 936. The API and the database have all of them.

IPv6 prefixes

127 prefixes
  • 2a10:2780::/29
  • 2001:13b2::/31
  • 2001:13b4::/32
  • 2001:1900::/32
  • 2001:4c08::/32
  • 2401:f6e0::/32
  • 2606:840::/32
  • 2806:281::/32
  • 2a05:8943::/32
  • 2a05:8944::/32
  • 2c0f:f7f8::/32
  • 2c0f:f7f8::/33
  • 2c0f:f7f8:8000::/33
  • 2620:11b:e000::/40
  • 2602:2f4::/44
  • 2620:12c:3000::/44
  • 2001:428:3816::/48
  • 2001:428:5805::/48
  • 2001:428:6400::/48
  • 2001:13b0:8013::/48
  • 2001:13b0:8015::/48
  • 2001:13b0:8021::/48
  • 2001:13b0:8029::/48
  • 2001:13b0:a031::/48
  • 2001:13b0:a301::/48
The 25 largest of 127. The API and the database have all of them.

Query AS3356 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=AS3356&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS3356, with or without a key:

curl "https://api.ipapi.is/?q=4.0.0.1"

Other networks of Level 3 Parent, LLC

AS3549 Level 3 Parent, LLC5,414,912 IPv4 addressesAS10753 Level 3 Parent, LLC443,648 IPv4 addressesAS203 Level 3 Parent, LLC327,168 IPv4 addressesAS18756 Level 3 Parent, LLC260,864 IPv4 addresses

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