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AS26073 Cofractal, Inc.

COFRACTAL-001 - Cofractal, Inc. · registered in the United States

IPv4 addresses4,8649 prefixes · <0.001% of announced IPv4
Rank in United States#4,157largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#13,852of 79,396 networks with IPv4
IPv617 x /32 (1,114,209 x /48)94 prefixes
CountryUnited States18,679 ASNs registered there
Open AS26073 in ASN lookup Look up an IP in this network (23.139.160.1) All networks in United States

IPv4 prefixes

All 9 prefixes, in address order.

  • 23.139.160.0/24
  • 23.165.224.0/22
  • 44.4.41.0/24
  • 158.51.16.0/23
  • 158.51.18.0/23
  • 199.19.152.0/23
  • 199.255.16.0/24
  • 199.255.18.0/23
  • 208.80.44.0/22

IPv6 prefixes

All 94 prefixes.

  • 2600:ec00::/31
  • 2600:ec02::/40
  • 2600:ec02:100::/46
  • 2600:ec02:104::/48
  • 2600:ec02:106::/48
  • 2600:ec02:108::/45
  • 2600:ec02:110::/44
  • 2600:ec02:120::/43
  • 2600:ec02:140::/42
  • 2600:ec02:180::/41
  • 2600:ec02:200::/39
  • 2600:ec02:400::/38
  • 2600:ec02:800::/37
  • 2600:ec02:1000::/44
  • 2600:ec02:1010::/46
  • 2600:ec02:1014::/47
  • 2600:ec02:1017::/48
  • 2600:ec02:1018::/45
  • 2600:ec02:1020::/43
  • 2600:ec02:1040::/42
  • 2600:ec02:1080::/41
  • 2600:ec02:1100::/40
  • 2600:ec02:1200::/39
  • 2600:ec02:1400::/38
  • 2600:ec02:1800::/37
  • 2600:ec02:2000::/35
  • 2600:ec02:4000::/34
  • 2600:ec02:8000::/33
  • 2600:ec03::/32
  • 2600:ec04::/39
  • 2600:ec04:200::/40
  • 2600:ec04:300::/41
  • 2600:ec04:380::/42
  • 2600:ec04:3c0::/43
  • 2600:ec04:3e0::/44
  • 2600:ec04:3f0::/47
  • 2600:ec04:3f2::/48
  • 2600:ec04:3f3::/48
  • 2600:ec04:3f4::/46
  • 2600:ec04:3f8::/45
  • 2600:ec04:400::/38
  • 2600:ec04:800::/37
  • 2600:ec04:1000::/36
  • 2600:ec04:2000::/35
  • 2600:ec04:4000::/34
  • 2600:ec04:8000::/33
  • 2600:ec05::/32
  • 2600:ec06::/31
  • 2600:ec08::/29
  • 2602:fa6d:10::/48
  • 2602:fe19::/44
  • 2602:fe19:10::/48
  • 2602:fe19:11::/48
  • 2602:fe19:12::/47
  • 2602:fe19:14::/46
  • 2602:fe19:18::/45
  • 2602:fe19:20::/43
  • 2602:fe19:40::/42
  • 2602:fe19:80::/41
  • 2602:fe19:100::/40
  • 2602:fe19:200::/39
  • 2602:fe19:400::/38
  • 2602:fe19:800::/37
  • 2602:fe19:1000::/36
  • 2602:fe19:2000::/35
  • 2602:fe19:4000::/47
  • 2602:fe19:4002::/48
  • 2602:fe19:4003::/48
  • 2602:fe19:4004::/48
  • 2602:fe19:4005::/48
  • 2602:fe19:4006::/47
  • 2602:fe19:4008::/45
  • 2602:fe19:4010::/46
  • 2602:fe19:4014::/47
  • 2602:fe19:4016::/48
  • 2602:fe19:4017::/48
  • 2602:fe19:4018::/45
  • 2602:fe19:4020::/43
  • 2602:fe19:4040::/42
  • 2602:fe19:4080::/41
  • 2602:fe19:4100::/40
  • 2602:fe19:4200::/39
  • 2602:fe19:4400::/38
  • 2602:fe19:4800::/37
  • 2602:fe19:5000::/36
  • 2602:fe19:6000::/35
  • 2602:fe19:8000::/33
  • 2606:45c0:20::/43
  • 2606:45c0:40::/43
  • 2606:45c0:9590::/48
  • 2606:7940:30::/44
  • 2606:7940:50::/44
  • 2a0d:1a40:edef::/48
  • 2a0e:1cc0:10::/48

Other ASNs named Cofractal, Inc.

1 other network uses the same organisation name; together with AS26073 they announce 4,864 IPv4 addresses.

ASNNameIPv4 addresses
AS972CF3 - Cofractal, Inc. USIPv6 only

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AS46985#4156 HPWREN - The Regents of the University of California - University of California, San Diego.4,866
AS15626#4158 ITL-UA ROUTE 95 LLC4,864
AS11598#4159 RECOL-CT - Cloudsmart4,864
AS11698#4160 WIATEL - WESTERN IOWA TELEPHONE ASSOCIATION (A COOPERATIVE)4,864

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