AS Number
AS31747
AS Name
BLACKROCK-FINANCIAL-MANAGEMENT-2
Org Name
BlackRock Financial Management, Inc.
Country / Region
United States
Registry

arin

RegDate

1994-04-21

Updated

2023-04-28

AS31747 Looking Glass
IPv4Prefixes

26

IPv6Prefixes

0

IPv4 NUMs

6,912

IPv6 NUMs(/64)

0

CIDR Description IP Num
69.52.2.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.3.0/24
IRR Valid
Barclays Global Investors 256
69.52.12.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.13.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.14.0/24
IRR InValid
BlackRock Financial Management, Inc. 256
69.52.22.0/24
IRR Valid
Barclays Global Investors 256
69.52.23.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.33.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.66.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.67.0/24
IRR Valid
Barclays Global Investors 256
69.52.68.0/24
IRR Valid
Barclays Global Investors 256
69.52.69.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.72.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.73.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.134.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.135.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.136.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.142.0/24
IRR Valid
Barclays Global Investors 256
69.52.143.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.144.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
69.52.145.0/24
IRR Valid
Barclays Global Investors 256
69.52.147.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
199.242.0.0/23
IRR Valid
BlackRock Financial Management, Inc. 512
199.242.4.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
199.242.5.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
199.242.6.0/24
IRR Valid
BlackRock Financial Management, Inc. 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US United States 93,952 5,373,952 IPv4 IPv4
AS703 UUNET - Verizon Business, US United States 705,792 68,719,542,272 IPv4 IPv4
AS2516 KDDI - KDDI CORPORATION, JP Japan 18,074,624 2,761,664,036,864 IPv4 IPv4
AS7474 OPTUSCOM-AS01-AU - SingTel Optus Pty Ltd, AU Australia 532,224 4,295,032,832 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,497,088 25,770,590,208 IPv4 IPv4
AS9255 CONNECTPLUS-AS - Singapore Telecom, ConnectPlus, SG Singapore 25,344 3,735,552 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 36,233,472 215,834,689,537 IPv4 IPv4
AS701 UUNET - Verizon Business, US United States 41,642,496 1,249,852,784,640 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,864,512 81,626,398,720 IPv4 IPv4
AS4637 ASN-TELSTRA-GLOBAL - Telstra International Limited, HK Hong Kong 1,145,344 21,474,836,480 IPv4 IPv4
AS10021 KVH - KVH Co.,Ltd, JP Japan 110,848 4,295,032,832 IPv4 IPv4
AS11351 TWC-11351-NORTHEAST - Charter Communications Inc, US United States 4,389,888 81,639,309,312 IPv4 IPv4
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

OrgID:          BFML
OrgName:        BlackRock Financial Management, Inc.
CanAllocate:    
Street:         50 Hudson Yards
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10001
RegDate:        1994-04-21
Updated:        2023-04-28
OrgAdminHandle  CHADH1-ARIN
OrgTechHandle   ARINC56-ARIN
OrgTechHandle   HUSHE3-ARIN
OrgAbuseHandle  NETWO8337-ARIN
Source:         ARIN

OrgAdminHandleHandle:  CHADH1-ARIN
OrgAdminHandleName:    Chadha, Harpreet
OrgAdminHandlePhone:   +1-212-810-3171
OrgAdminHandleEmail:   [email protected]
OrgAdminHandleRef:     https://rdap.arin.net/registry/entity/CHADH1-ARIN

OrgTechHandleHandle:  ARINC56-ARIN
OrgTechHandleName:    Arin-Contact, 
OrgTechHandlePhone:   +1-212-810-3788
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/ARINC56-ARIN

OrgTechHandleHandle:  HUSHE3-ARIN
OrgTechHandleName:    Hu, Shenghai
OrgTechHandlePhone:   +1-212-810-3646
OrgTechHandleEmail:   [email protected]
OrgTechHandleRef:     https://rdap.arin.net/registry/entity/HUSHE3-ARIN

OrgAbuseHandleHandle:  NETWO8337-ARIN
OrgAbuseHandleName:    network-abuse, 
OrgAbuseHandlePhone:   +1-212-810-3788
OrgAbuseHandleEmail:   [email protected]
OrgAbuseHandleRef:     https://rdap.arin.net/registry/entity/NETWO8337-ARIN