ASN Lookup Tool

BlackRock Financial Management, Inc. blackrock.com US US 26 Routes

AS Data

AS31747

AS31747BlackRock Financial Management, Inc.

AS Number 31747
AS Name BLACKROCK-FINANCIAL-MANAGEMENT-2
Organization BlackRock Financial Management, Inc.(bfml)
Country US
Website blackrock.com
Number of IPv4 Routes 26
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2007-01-24

ASN Intelligence API for production workflows

Use ASN data for AS31747 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
69.52.67.0/24 256
69.52.13.0/24 256
69.52.72.0/24 256
69.52.143.0/24 256
69.52.69.0/24 256
69.52.147.0/24 256
69.52.142.0/24 256
69.52.68.0/24 256
69.52.134.0/24 256
69.52.73.0/24 256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       31747
ASName:         BLACKROCK-FINANCIAL-MANAGEMENT-2
ASHandle:       AS31747
RegDate:        2007-01-24
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/31747


OrgName:        BlackRock Financial Management, Inc.
OrgId:          BFML
Address:        50 Hudson Yards
City:           New York
StateProv:      NY
PostalCode:     10001
Country:        US
RegDate:        1994-04-21
Updated:        2023-04-28
Ref:            https://rdap.arin.net/registry/entity/BFML


OrgTechHandle: ARINC56-ARIN
OrgTechName:   Arin-Contact
OrgTechPhone:  +1-212-810-3788 
OrgTechEmail:  arin-contact@blackrock.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ARINC56-ARIN

OrgAbuseHandle: NETWO8337-ARIN
OrgAbuseName:   network-abuse
OrgAbusePhone:  +1-212-810-3788 
OrgAbuseEmail:  network-abuse@blackrock.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO8337-ARIN

OrgTechHandle: HUSHE3-ARIN
OrgTechName:   Hu, Shenghai 
OrgTechPhone:  +1-212-810-3646 
OrgTechEmail:  shenghai.hu@blackrock.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HUSHE3-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS7474 SingTel Optus Pty Ltd AU
AS703 Verizon Business US
AS8220 COLT Technology Services Group Limited GB
AS3549 Level 3 Communications, Inc. (GBLX) US
AS9255 Singapore Telecom SG
AS10021 KVH Co.,Ltd JP
AS11351 Charter Communications Inc US
AS701 Verizon Business/UUnet US
AS4637 Telstra Global HK
AS9255 Singapore Telecom, ConnectPlus SG

Upstreams

AS Number Description Country
AS7474 SingTel Optus Pty Ltd AU
AS703 Verizon Business US
AS8220 COLT Technology Services Group Limited GB
AS10021 KVH Co.,Ltd JP
AS11351 Charter Communications Inc US
AS9255 Singapore Telecom, ConnectPlus SG
AS174 Cogent Communications, LLC US
AS2516 KDDI CORPORATION JP
AS3758 SingNet Pte Ltd SG
AS4637 Telstra International Limited HK

Contacts

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Frequently Asked Questions

ASN AS31747 is an Autonomous System Number used to identify a network for BGP internet routing.
AS31747 is listed under BlackRock Financial Management, Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.