AS21547 Firstlight Fiber, Inc. details

Summary

Country	United States
Organization	Firstlight Fiber, Inc.
Domain	firstlight.net
Number of IPv4	106,752
Number of IPv6	1.5846× 10²⁹
AS Type	ISP
Registry	ARIN
Allocated	May 21, 2001 (about 24 years ago)
Updated	June 10, 2019 (about 5 years ago)

IP Ranges

AS21547 announces 73 IPv4 ranges and 5 IPv6 ranges.

That's a total of 106,752 IPv4 addresses and 1.5846× 10²⁹ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
63.127.192.0/21	Worldpath Internet Services	2,048	ARIN	REALLOCATION
64.140.192.0/18	Firstlight Fiber, Inc.	16,384	ARIN	ALLOCATION
64.140.199.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
64.140.224.0/19	Firstlight Fiber, Inc.	8,192	ARIN	ALLOCATION
64.140.224.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
64.140.225.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
64.140.234.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
64.140.246.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.186.160.0/19	Firstlight Fiber, Inc.	8,192	ARIN	ALLOCATION
66.186.162.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.186.163.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.186.166.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.186.168.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.186.171.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.186.173.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.186.184.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.186.188.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.231.192.0/19	Redzone Wireless	8,192	ARIN	REASSIGNMENT
66.231.192.0/24	Redzone Wireless	256	ARIN	REASSIGNMENT
66.231.203.0/24	Oxford Networks	256	ARIN	REALLOCATION
66.231.208.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.231.214.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.231.215.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.231.217.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.231.219.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
66.231.220.0/22	Firstlight Fiber, Inc.	1,024	ARIN	ALLOCATION
69.49.128.0/19	Firstlight Fiber, Inc.	8,192	ARIN	ALLOCATION
69.49.128.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
69.49.129.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
69.49.133.0/24	Auto Europe	256	ARIN	REASSIGNMENT
69.49.144.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
69.49.146.0/24	Unitel INC	256	ARIN	REASSIGNMENT
69.49.148.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
69.49.150.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
69.49.153.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
69.49.154.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
69.168.0.0/20	Firstlight Fiber, Inc.	4,096	ARIN	ALLOCATION
72.12.64.0/19	Firstlight Fiber, Inc.	8,192	ARIN	ALLOCATION
72.12.64.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.69.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.74.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.75.0/24	MEMIC	256	ARIN	REASSIGNMENT
72.12.76.0/23	Firstlight Fiber, Inc.	512	ARIN	ALLOCATION
72.12.78.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.79.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.80.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.84.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.87.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.91.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.92.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.12.94.0/23	Firstlight Fiber, Inc.	512	ARIN	ALLOCATION
72.55.224.0/19	Firstlight Fiber, Inc.	8,192	ARIN	ALLOCATION
72.55.229.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.55.247.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
72.55.248.0/23	Firstlight Fiber, Inc.	512	ARIN	ALLOCATION
72.55.250.0/23	Firstlight Fiber, Inc.	512	ARIN	ALLOCATION
72.55.254.0/23	Firstlight Fiber, Inc.	512	ARIN	ALLOCATION
74.220.224.0/20	Firstlight Fiber, Inc.	4,096	ARIN	ALLOCATION
74.220.236.0/24	Firstlight Fiber, Inc.	256	ARIN	ALLOCATION
140.165.50.0/24	Teledyne Brown Engineering	256	ARIN	ALLOCATION
198.212.230.0/24	Concord Hospital	256	ARIN	ALLOCATION
204.97.16.0/21	Worldpath Internet Services	2,048	ARIN	REALLOCATION
204.97.232.0/21	Worldpath Internet Services	2,048	ARIN	REALLOCATION
204.249.238.0/23	Worldpath Internet Services	512	ARIN	REALLOCATION
205.247.20.0/22	Worldpath Internet Services	1,024	ARIN	REALLOCATION
205.247.112.0/22	Worldpath Internet Services	1,024	ARIN	REALLOCATION
206.106.132.0/22	Worldpath Internet Services	1,024	ARIN	REALLOCATION
208.0.176.0/21	Worldpath Internet Services	2,048	ARIN	REALLOCATION
208.3.240.0/21	Worldpath Internet Services	2,048	ARIN	REALLOCATION
208.17.26.0/23	Worldpath Internet Services	512	ARIN	REALLOCATION
208.28.182.0/23	Worldpath Internet Services	512	ARIN	REALLOCATION
208.28.192.0/22	Worldpath Internet Services	1,024	ARIN	REALLOCATION
208.31.8.0/21	Worldpath Internet Services	2,048	ARIN	REALLOCATION

Prefix	Organization	Size	Registry	Status
2001:4940::/32	Firstlight Fiber, Inc.	7.9228× 10²⁸	ARIN	ALLOCATION
2001:4940:2001::/48	Firstlight Fiber, Inc.	1.2089× 10²⁴	ARIN	ALLOCATION
2001:4940:2006::/48	Firstlight Fiber, Inc.	1.2089× 10²⁴	ARIN	ALLOCATION
2001:4940:2007::/48	Firstlight Fiber, Inc.	1.2089× 10²⁴	ARIN	ALLOCATION
2604:3f00::/32	Firstlight Fiber, Inc.	7.9228× 10²⁸	ARIN	ALLOCATION

AS21547 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.

AS21547 connects to the global Internet via at least 1 upstream provider. In this setup, AS21547 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

AS13536

AS21547 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS21547's role in extending Internet access beyond its own infrastructure.

AS18803 AS36787 AS36823 AS395342

AS21547

Firstlight Fiber, Inc. — firstlight.net

Summary

IP Ranges

Peers

Upstreams

Downstreams