AS21547 · FirstLight Networks, LLC

77
IPv4 prefixes
108,288
Announced IPv4 slots
5
IPv6 prefixes
🇺🇸 US
Country

Summary

AS number
AS21547
Name
FirstLight Networks, LLC
Country
🇺🇸 United States
Type
ARIN
Category
business
Normalized type
business
Organization domain
firstlight.net
Domain evidence
Source reported; ownership unverified
Last changed
Unknown
Announced
82 prefixes
Updated
2026-09-08

IPv4 prefixes on this page (50 of 77)

Prefix
63.127.192.0/21
64.140.192.0/18
64.140.199.0/24
64.140.224.0/19
64.140.224.0/24
64.140.225.0/24
64.140.234.0/24
64.140.246.0/24
66.186.160.0/19
66.186.162.0/24
66.186.163.0/24
66.186.166.0/24
66.186.168.0/24
66.186.171.0/24
66.186.173.0/24
66.186.176.0/24
66.186.184.0/24
66.186.188.0/24
66.231.192.0/19
66.231.192.0/24
66.231.203.0/24
66.231.208.0/24
66.231.214.0/24
66.231.215.0/24
66.231.217.0/24
66.231.219.0/24
66.231.220.0/22
69.49.128.0/19
69.49.128.0/24
69.49.129.0/24
69.49.133.0/24
69.49.140.0/23
69.49.144.0/24
69.49.146.0/24
69.49.148.0/24
69.49.150.0/24
69.49.153.0/24
69.49.154.0/24
69.168.0.0/20
72.12.64.0/19
72.12.64.0/24
72.12.69.0/24
72.12.74.0/24
72.12.75.0/24
72.12.76.0/23
72.12.78.0/24
72.12.79.0/24
72.12.80.0/24
72.12.84.0/24
72.12.87.0/24

Address slots sum announced prefixes; overlapping routes count separately.