AS31747 
BlackRock Financial Management, Inc.
Updated 22.10.2026 02:14 UTC
AS Info
- Organization
- BlackRock Financial Management, Inc.
- Country
- United States
- Last seen in BGP
- 22.10.2026 02:05 UTC
RPKI
0 ROA
Valid 0
Invalid 0
No ROA 29
Prefix locations
-
United States
20
-
United Kingdom
4
-
Singapore
4
-
Hong Kong SAR China
1
External links
Neighbors as seen from AS208972, thicker lines carry more routes.
UpstreamsAS31747Downstreams
| # | AS | Name | Relation | Routes | Share |
|---|---|---|---|---|---|
| 1 | AS32787 | Akamai Prolexic DDoS Mitigation | Upstream | 15 | |
| 2 | AS11351 | Charter Communications Inc | Upstream | 3 | |
| 3 | AS8220 |  Colt | Upstream | 3 | |
| 4 | AS4637 | Telstra (International) | Upstream | 3 | |
| 5 | AS3356 | Lumen AS3356 | Upstream | 3 | |
| 6 | AS9255 | Singapore Telecom | Upstream | 2 | |
| 7 | AS701 | Verizon | Upstream | 2 | |
| 8 | AS174 | Cogent Communications, Inc. | Upstream | 1 |
None seen in the routing table.
None seen in the routing table.
| # | AS | Name | Relation | Routes | Share |
|---|---|---|---|---|---|
| 1 | AS32787 | Akamai Prolexic DDoS Mitigation | Upstream | 15 | |
| 2 | AS11351 | Charter Communications Inc | Upstream | 3 | |
| 3 | AS8220 | Colt | Upstream | 3 | |
| 4 | AS4637 | Telstra (International) | Upstream | 3 | |
| 5 | AS3356 | Lumen AS3356 | Upstream | 3 | |
| 6 | AS9255 | Singapore Telecom | Upstream | 2 | |
| 7 | AS701 | Verizon | Upstream | 2 | |
| 8 | AS174 | Cogent Communications, Inc. | Upstream | 1 |
| Prefix | Description | Location | RPKI | Paths |
|---|---|---|---|---|
| 69.52.2.0/24 | Trenton | No ROA | 1 | |
| 69.52.3.0/24 | New York | No ROA | 1 | |
| 69.52.12.0/24 | | No ROA | 1 | |
| 69.52.13.0/24 | | No ROA | 1 | |
| 69.52.14.0/24 | | No ROA | 1 | |
| 69.52.22.0/24 | New York | No ROA | 4 | |
| 69.52.23.0/24 | New York | No ROA | 1 | |
| 69.52.33.0/24 | El Cerrito | No ROA | 1 | |
| 69.52.66.0/24 | London | No ROA | 1 | |
| 69.52.67.0/24 | London | No ROA | 1 | |
| 69.52.68.0/24 | London | No ROA | 1 | |
| 69.52.69.0/24 | City of London | No ROA | 1 | |
| 69.52.72.0/24 | | No ROA | 1 | |
| 69.52.73.0/24 | | No ROA | 1 | |
| 69.52.134.0/24 | | No ROA | 1 | |
| 69.52.135.0/24 | | No ROA | 1 | |
| 69.52.136.0/24 | | No ROA | 1 | |
| 69.52.137.0/24 | | No ROA | 1 | |
| 69.52.138.0/24 | | No ROA | 1 | |
| 69.52.139.0/24 | | No ROA | 1 | |
| 69.52.142.0/24 | Singapore | No ROA | 1 | |
| 69.52.143.0/24 | | No ROA | 1 | |
| 69.52.144.0/24 | Singapore | No ROA | 1 | |
| 69.52.145.0/24 | Singapore | No ROA | 1 | |
| 69.52.147.0/24 | | No ROA | 1 | |
| 199.242.0.0/23 | | No ROA | 1 | |
| 199.242.4.0/24 | | No ROA | 1 | |
| 199.242.5.0/24 | | No ROA | 1 | |
| 199.242.6.0/24 | | No ROA | 1 |
No prefixes announced.
| Prefix | Description | Withdrawn |
|---|---|---|
| 69.52.129.0/24 | 21.10.2026 12:21 | |
| 69.52.0.0/24 | 21.10.2026 12:21 |