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AS11520 Allstate Insurance Company

ALLSTATE-INSURANCE-CO - Allstate Insurance Company · registered in the United States

IPv4 addresses66,30456 prefixes · 0.002% of announced IPv4
Rank in United States#889largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#2,684of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS11520 in ASN lookup Look up an IP in this network (12.26.124.1) All networks in United States

IPv4 prefixes

All 56 prefixes, in address order.

  • 12.26.124.0/24
  • 167.127.0.0/20
  • 167.127.16.0/21
  • 167.127.24.0/23
  • 167.127.26.0/23
  • 167.127.28.0/22
  • 167.127.32.0/20
  • 167.127.48.0/23
  • 167.127.50.0/24
  • 167.127.51.0/24
  • 167.127.52.0/22
  • 167.127.56.0/21
  • 167.127.64.0/19
  • 167.127.96.0/23
  • 167.127.98.0/23
  • 167.127.100.0/22
  • 167.127.104.0/22
  • 167.127.108.0/23
  • 167.127.110.0/24
  • 167.127.111.0/24
  • 167.127.112.0/22
  • 167.127.116.0/23
  • 167.127.118.0/24
  • 167.127.119.0/24
  • 167.127.120.0/24
  • 167.127.121.0/24
  • 167.127.122.0/23
  • 167.127.124.0/23
  • 167.127.126.0/23
  • 167.127.128.0/19
  • 167.127.160.0/20
  • 167.127.176.0/22
  • 167.127.180.0/23
  • 167.127.182.0/24
  • 167.127.183.0/24
  • 167.127.184.0/21
  • 167.127.192.0/20
  • 167.127.208.0/22
  • 167.127.212.0/24
  • 167.127.213.0/24
  • 167.127.214.0/23
  • 167.127.216.0/23
  • 167.127.218.0/24
  • 167.127.219.0/24
  • 167.127.220.0/22
  • 167.127.224.0/23
  • 167.127.226.0/24
  • 167.127.227.0/24
  • 167.127.228.0/22
  • 167.127.232.0/21
  • 167.127.240.0/21
  • 167.127.248.0/23
  • 167.127.250.0/23
  • 167.127.252.0/22
  • 198.207.185.0/24
  • 198.252.138.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses
AS8122#886 DQNAS - Duquesne University66,304
AS10364#887 UAHNET - University of Alabama in Huntsville66,304
AS11052#888 IHC-NET - Intermountain Health Care, Inc.66,304
AS12099#890 OAKWOOD-HEALTHCARE - OAKWOOD HEALTHCARE INC66,304
AS33274#891 ASN-FAIRVIEWHEALTHSERVICES - Fairview Health Services66,304
AS46093#892 PALM-BEACH-COUNTY-FLORIDA - Palm Beach County66,304

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