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AS15204 INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC.

ITC-SD-01 - INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC. · registered in the United States

IPv4 addresses25,60010 prefixes · <0.001% of announced IPv4
Rank in United States#1,902largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#5,382of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)38 prefixes
CountryUnited States18,679 ASNs registered there
Open AS15204 in ASN lookup Look up an IP in this network (64.33.224.1) All networks in United States

IPv4 prefixes

All 10 prefixes, in address order.

  • 64.33.224.0/21
  • 66.6.0.0/20
  • 66.128.162.0/23
  • 66.128.164.0/23
  • 66.128.182.0/23
  • 66.128.184.0/23
  • 75.102.160.0/19
  • 155.94.64.0/20
  • 204.15.52.0/22
  • 216.106.192.0/20

IPv6 prefixes

All 38 prefixes.

  • 2607:d600::/36
  • 2607:d600:1000::/46
  • 2607:d600:1004::/48
  • 2607:d600:1005::/48
  • 2607:d600:1006::/47
  • 2607:d600:1008::/45
  • 2607:d600:1010::/44
  • 2607:d600:1020::/43
  • 2607:d600:1040::/42
  • 2607:d600:1080::/41
  • 2607:d600:1100::/40
  • 2607:d600:1200::/39
  • 2607:d600:1400::/39
  • 2607:d600:1600::/40
  • 2607:d600:1700::/42
  • 2607:d600:1740::/43
  • 2607:d600:1760::/43
  • 2607:d600:1780::/43
  • 2607:d600:17a0::/44
  • 2607:d600:17b0::/44
  • 2607:d600:17c0::/42
  • 2607:d600:1800::/39
  • 2607:d600:1a00::/40
  • 2607:d600:1b00::/40
  • 2607:d600:1c00::/38
  • 2607:d600:2000::/35
  • 2607:d600:4000::/34
  • 2607:d600:8000::/36
  • 2607:d600:9000::/38
  • 2607:d600:9400::/39
  • 2607:d600:9600::/40
  • 2607:d600:9700::/42
  • 2607:d600:9740::/43
  • 2607:d600:9760::/43
  • 2607:d600:9780::/41
  • 2607:d600:9800::/37
  • 2607:d600:a000::/35
  • 2607:d600:c000::/34

Similar-sized networks in United States

ASNNameIPv4 addresses
AS397122#1899 NORVADO-NET - Chequamegon Communications Cooperative, Inc.25,856
AS7361#1900 DATAZONE - DataZone Networks LLC25,856
AS6134#1901 XNNET - XNNET LLC25,600
AS19323#1903 HGE-NET - Holyoke Gas & Electric Department25,600
AS26292#1904 ASN-SHREWS - Shrewsbury Electric and Cable Operations25,600
AS398203#1905 MIDSOUTH-FIBER-AS - MidSouth Fiber25,600

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