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AS31747

BLACKROCK-FINANCIAL-MANAGEMENT-2

BlackRock Financial Management, Inc.

Registry

Authoritative registration data

AS number
31747
Name
BLACKROCK-FINANCIAL-MANAGEMENT-2
Organisation
BlackRock Financial Management, Inc.
Country
RIR
ARIN
Registered
Source:asn:rdap retrieved

IPv4 prefixes

26

IPv6 prefixes

0

Total announced

26

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS31747
199.242.0.0/23 IPv4 /23 not checked
199.242.4.0/24 IPv4 /24 not checked
199.242.5.0/24 IPv4 /24 not checked
199.242.6.0/24 IPv4 /24 not checked
69.52.12.0/24 IPv4 /24 not checked
69.52.13.0/24 IPv4 /24 not checked
69.52.134.0/24 IPv4 /24 not checked
69.52.135.0/24 IPv4 /24 not checked
69.52.136.0/24 IPv4 /24 not checked
69.52.14.0/24 IPv4 /24 not checked
69.52.142.0/24 IPv4 /24 not checked
69.52.143.0/24 IPv4 /24 not checked
69.52.144.0/24 IPv4 /24 not checked
69.52.145.0/24 IPv4 /24 not checked
69.52.147.0/24 IPv4 /24 not checked
69.52.2.0/24 IPv4 /24 not checked
69.52.22.0/24 IPv4 /24 not checked
69.52.23.0/24 IPv4 /24 not checked
69.52.3.0/24 IPv4 /24 not checked
69.52.33.0/24 IPv4 /24 not checked
69.52.66.0/24 IPv4 /24 not checked
69.52.67.0/24 IPv4 /24 not checked
69.52.68.0/24 IPv4 /24 not checked
69.52.69.0/24 IPv4 /24 not checked
69.52.72.0/24 IPv4 /24 not checked
69.52.73.0/24 IPv4 /24 not checked

No rows match “”.

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Source:ripestat:announced-prefixes observed

Internet Exchanges

Exchanges where this network has a listed peering LAN connection

No Internet Exchange memberships found

The exchange directory has no current membership records for this AS.

Source:peeringdb retrieved

Exchange membership means the network has a listed connection; it does not prove peering with other members.

Observed adjacencies

Networks seen next to AS31747 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

12 networks seen before AS31747 in AS paths

Observed upstreams
Families
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK 277 4,757
v4
AS8220 COLT 481 2,046
v4
AS3356 LEVEL3 322 534
v4
AS701 304 517
v4
AS4637 ASN-TELSTRA-GLOBAL 224 289
v4
AS174 COGENT-174 170 212
v4
AS11351 TWC-11351-NORTHEAST 146 199
v4
AS7474 OPTUSCOM-AS01-AU 146 198
v4
AS2516 KDDI 140 161
v4
AS10021 98 160
v4
AS703 UUNET 124 144
v4
AS3758 SINGNET 52 65
v4

No rows match “”.

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Observed downstreams

0 networks seen after AS31747 in AS paths

No downstreams observed

This AS was not seen carrying traffic towards another network.

Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual.