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AS27382 FirstLight Fiber, Inc.

COLOSPACE - FirstLight Fiber, Inc. · registered in the United States

IPv4 addresses32,25615 prefixes · 0.001% of announced IPv4
Rank in United States#1,771largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#4,887of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS27382 in ASN lookup Look up an IP in this network (63.251.136.1) All networks in United States

IPv4 prefixes

All 15 prefixes, in address order.

  • 63.251.136.0/22
  • 64.95.78.0/24
  • 66.151.188.0/22
  • 67.217.96.0/20
  • 68.233.160.0/20
  • 69.84.128.0/19
  • 69.84.208.0/21
  • 69.84.216.0/21
  • 206.128.96.0/21
  • 206.128.104.0/23
  • 206.128.106.0/24
  • 206.128.109.0/24
  • 206.128.111.0/24
  • 208.75.32.0/21
  • 208.118.240.0/20

Other ASNs named FirstLight Fiber, Inc.

7 other networks use the same organisation name; together with AS27382 they announce 501,984 IPv4 addresses.

ASNNameIPv4 addresses
AS13536TVC-AS1 - FirstLight Fiber, Inc. US312,064
AS21547OXNET - FirstLight Fiber, Inc. US64,000
AS5738SOVER-ASN - FirstLight Fiber, Inc. US59,616
AS14477FLTG - FirstLight Fiber, Inc. US13,824
AS15320PRIMELINK - FirstLight Fiber, Inc. US12,032
AS14877FL-14877 - FirstLight Fiber, Inc. US6,656
AS62929186-ASN - FirstLight Fiber, Inc. US1,536

Similar-sized networks in United States

ASNNameIPv4 addresses
AS21554#1768 CYBERLYNK - Wisconsin CyberLynk Network, Inc.32,256
AS21777#1769 MASSIVE-NETWORKS-21777 - Massive Networks, Inc.32,256
AS10352#1770 WCTC - Solarus32,256
AS11808#1772 UIDAHO - University of Idaho32,000
AS53667#1773 PONYNET - FranTech Solutions31,744
AS46309#1774 TONAQUINT-DC - ValorC3 Data Centers31,744

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources