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AS31747 BlackRock Financial Management, Inc.

BLACKROCK-FINANCIAL-MANAGEMENT-2 - BlackRock Financial Management, Inc. · registered in the United States

IPv4 addresses7,93615 prefixes · <0.001% of announced IPv4
Rank in United States#3,471largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#11,025of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 15 prefixes, in address order.

  • 69.52.2.0/23
  • 69.52.12.0/23
  • 69.52.14.0/24
  • 69.52.22.0/23
  • 69.52.33.0/24
  • 69.52.66.0/23
  • 69.52.68.0/23
  • 69.52.72.0/23
  • 69.52.134.0/23
  • 69.52.136.0/22
  • 69.52.142.0/23
  • 69.52.144.0/22
  • 199.242.0.0/23
  • 199.242.4.0/23
  • 199.242.6.0/24

Other ASNs named BlackRock Financial Management, Inc.

1 other network uses the same organisation name; together with AS31747 they announce 9,472 IPv4 addresses.

ASNNameIPv4 addresses
AS11336BLACKROCK-FINANCIAL-MANAGEMENT - BlackRock Financial Management, Inc. US1,536

Similar-sized networks in United States

ASNNameIPv4 addresses
AS19082#3468 EVERESTBROADBAND - Everest BBN, Inc.7,936
AS20419#3469 NETBLK-DMRCOM - DMR Communications Inc.7,936
AS23173#3470 VOYA-FINANCIAL - CITISTREET7,936
AS32274#3472 LENAWEE-MONROE-TECHNOLOGY-CONSORTIUM - Lenawee-Monroe Technology Consortium7,936
AS33551#3473 SISTERS-OF-MERCY-HEALTH-SYSTEM - Sisters of Mercy Health System7,936
AS36514#3474 FLORIDALEGISLATURE - Florida Legislature7,936

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