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AS13876 FiberLight, LLC

FIBER-64 - FiberLight, LLC · registered in the United States

IPv4 addresses25,08835 prefixes · <0.001% of announced IPv4
Rank in United States#1,918largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#5,426of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)35 prefixes
CountryUnited States18,679 ASNs registered there
Open AS13876 in ASN lookup Look up an IP in this network (38.253.112.1) All networks in United States

IPv4 prefixes

All 35 prefixes, in address order.

  • 38.253.112.0/23
  • 64.186.129.0/24
  • 64.186.130.0/23
  • 64.186.132.0/22
  • 64.186.136.0/24
  • 64.186.137.0/24
  • 64.186.138.0/23
  • 64.186.140.0/24
  • 64.186.141.0/24
  • 64.186.142.0/23
  • 66.102.224.0/22
  • 66.102.228.0/23
  • 66.102.230.0/24
  • 66.102.231.0/24
  • 66.102.232.0/22
  • 66.102.236.0/22
  • 67.204.0.0/21
  • 67.204.8.0/23
  • 67.204.10.0/24
  • 67.204.11.0/24
  • 67.204.12.0/22
  • 67.204.16.0/24
  • 67.204.18.0/23
  • 67.204.20.0/22
  • 67.204.24.0/21
  • 158.41.16.0/21
  • 159.63.128.0/21
  • 159.63.136.0/23
  • 159.63.138.0/24
  • 159.63.139.0/24
  • 159.63.140.0/22
  • 159.63.144.0/22
  • 159.63.149.0/24
  • 159.63.150.0/24
  • 207.138.104.0/22

IPv6 prefixes

All 35 prefixes.

  • 2607:8300::/47
  • 2607:8300:2::/47
  • 2607:8300:4::/46
  • 2607:8300:8::/47
  • 2607:8300:a::/48
  • 2607:8300:b::/48
  • 2607:8300:c::/46
  • 2607:8300:10::/44
  • 2607:8300:20::/43
  • 2607:8300:40::/42
  • 2607:8300:80::/41
  • 2607:8300:100::/40
  • 2607:8300:200::/39
  • 2607:8300:400::/38
  • 2607:8300:800::/37
  • 2607:8300:1000::/47
  • 2607:8300:1002::/47
  • 2607:8300:1004::/47
  • 2607:8300:1006::/47
  • 2607:8300:1008::/45
  • 2607:8300:1010::/48
  • 2607:8300:1011::/48
  • 2607:8300:1012::/47
  • 2607:8300:1014::/46
  • 2607:8300:1018::/45
  • 2607:8300:1020::/43
  • 2607:8300:1040::/42
  • 2607:8300:1080::/41
  • 2607:8300:1100::/40
  • 2607:8300:1200::/39
  • 2607:8300:1400::/38
  • 2607:8300:1800::/37
  • 2607:8300:2000::/35
  • 2607:8300:4000::/34
  • 2607:8300:8000::/33

Similar-sized networks in United States

ASNNameIPv4 addresses
AS18434#1915 FNIS - Fidelity National Information Services, Inc.25,344
AS18834#1916 NETWORKIP - Network IP25,344
AS22255#1917 ALLEGHENYHEALTHNETWORK - Allegheny Health Network25,344
AS33494#1919 IHNET - IHNetworks, LLC25,088
AS53587#1920 AZT - AZURE TECHNOLOGY CO., LIMITED25,088
AS394838#1921 PULSE - Pulse25,088

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