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AS57976 BLIZZARD Blizzard Entertainment, Inc

BLIZZARD Blizzard Entertainment, Inc · registered in the United States

IPv4 addresses59,64869 prefixes · 0.002% of announced IPv4
Rank in United States#1,402largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#3,658of 79,396 networks with IPv4
IPv61 x /32 (65,544 x /48)31 prefixes
CountryUnited States18,679 ASNs registered there
Open AS57976 in ASN lookup Look up an IP in this network (5.42.160.1) All networks in United States

IPv4 prefixes

All 69 prefixes, in address order.

  • 5.42.160.0/20
  • 5.42.176.0/22
  • 24.105.0.0/22
  • 24.105.16.0/22
  • 24.105.25.0/24
  • 24.105.27.0/24
  • 24.105.28.0/22
  • 24.105.40.0/21
  • 24.105.50.0/23
  • 24.105.52.0/22
  • 24.105.56.0/21
  • 37.244.0.0/24
  • 37.244.2.0/23
  • 37.244.4.0/22
  • 37.244.8.0/23
  • 37.244.10.0/24
  • 37.244.13.0/24
  • 37.244.14.0/23
  • 37.244.16.0/23
  • 37.244.19.0/24
  • 37.244.20.0/24
  • 37.244.23.0/24
  • 37.244.24.0/21
  • 37.244.32.0/22
  • 37.244.36.0/23
  • 37.244.38.0/24
  • 37.244.40.0/22
  • 37.244.44.0/24
  • 37.244.50.0/24
  • 37.244.52.0/22
  • 37.244.60.0/22
  • 59.153.40.0/22
  • 64.224.0.0/21
  • 64.224.24.0/21
  • 66.40.176.0/20
  • 103.4.114.0/23
  • 103.198.32.0/23
  • 117.52.6.0/24
  • 117.52.26.0/23
  • 117.52.33.0/24
  • 117.52.34.0/23
  • 117.52.36.0/23
  • 121.254.137.0/24
  • 121.254.206.0/23
  • 121.254.218.0/24
  • 137.221.64.0/22
  • 137.221.68.0/23
  • 137.221.70.0/24
  • 137.221.71.0/24
  • 137.221.72.0/21
  • 137.221.80.0/23
  • 137.221.82.0/24
  • 137.221.83.0/24
  • 137.221.84.0/23
  • 137.221.86.0/24
  • 137.221.87.0/24
  • 137.221.88.0/21
  • 137.221.104.0/22
  • 137.221.108.0/23
  • 137.221.111.0/24
  • 137.221.112.0/24
  • 150.116.9.0/24
  • 158.115.192.0/20
  • 158.115.216.0/21
  • 182.162.31.0/24
  • 185.60.112.0/22
  • 198.74.32.0/22
  • 198.74.36.0/23
  • 202.9.66.0/23

IPv6 prefixes

All 31 prefixes.

  • 2a04:e800:5010::/47
  • 2a04:e800:5014::/48
  • 2a04:e800:5016::/48
  • 2a04:e800:5020::/48
  • 2a04:e800:5023::/48
  • 2a04:e800:5040::/48
  • 2a04:e800:5407::/48
  • 2a04:e802::/46
  • 2a04:e802:4::/47
  • 2a04:e802:6::/47
  • 2a04:e802:8::/45
  • 2a04:e802:10::/47
  • 2a04:e802:12::/47
  • 2a04:e802:14::/46
  • 2a04:e802:18::/45
  • 2a04:e802:20::/48
  • 2a04:e802:21::/48
  • 2a04:e802:22::/47
  • 2a04:e802:24::/46
  • 2a04:e802:28::/45
  • 2a04:e802:30::/44
  • 2a04:e802:40::/42
  • 2a04:e802:80::/41
  • 2a04:e802:100::/40
  • 2a04:e802:200::/39
  • 2a04:e802:400::/38
  • 2a04:e802:800::/37
  • 2a04:e802:1000::/36
  • 2a04:e802:2000::/35
  • 2a04:e802:4000::/34
  • 2a04:e802:8000::/33

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AS25921#1401 LUS-FIBER-LCG - LUS Fiber60,160
AS40317#1403 PEOPLESCOMMUNICATIONS - Peoples Communications Inc.59,648
AS396986#1404 BYTEDANCE - Bytedance Inc.59,648
AS16811#1405 SAGENET-GTH - SageNet LLC59,648

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