AS42353
Simwood Esms Limited — simwood.com
Summary
| Country |
 United Kingdom
|
| Organization | Simwood Esms Limited |
| Domain | simwood.com |
| Number of IPv4 | 5,888 |
| Number of IPv6 | 1.5846× 1029 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | February 07, 2007 (about 18 years ago) |
| Updated | March 05, 2021 (about 4 years ago) |
IP Ranges
AS42353 announces 15 IPv4 ranges and 2 IPv6 ranges.
That's a total of 5,888 IPv4 addresses and 1.5846× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 91.233.5.0/24 |
Kooljett Limited
|
256 | RIPE NCC | ASSIGNED PI |
| 178.22.136.0/21 |
Simwood Esms Limited (london)
|
2,048 | RIPE NCC | ASSIGNED PA |
| 178.22.136.0/24 |
Simwood Esms Limited (london)
|
256 | RIPE NCC | ASSIGNED PA |
| 178.22.137.0/24 |
CROCUS.CO.UK Limited - Simwood, London
|
256 | RIPE NCC | ASSIGNED PA |
| 178.22.139.0/24 |
Simwood Esms Limited (edinburgh)
|
256 | RIPE NCC | ASSIGNED PA |
| 178.22.140.0/24 |
Simwood Esms Limited
|
256 | RIPE NCC | ALLOCATED PA |
| 178.22.141.0/24 |
CROCUS.CO.UK Limited - Simwood, Slough
|
256 | RIPE NCC | ASSIGNED PA |
| 178.22.142.0/24 |
CROCUS.CO.UK Limited - Simwood, Manchester
|
256 | RIPE NCC | ASSIGNED PA |
| 178.22.143.0/24 |
Simwood Esms Limited (manchester)
|
256 | RIPE NCC | ASSIGNED PA |
| 185.63.140.0/24 |
SIMWOOD-SLO-INTERNAL
|
256 | RIPE NCC | ASSIGNED PA |
| 185.63.141.0/24 |
SIMWOOD-NY-INTERNAL
|
256 | RIPE NCC | ASSIGNED PA |
| 185.63.142.0/24 |
SIMWOOD-MAN-INTERNAL
|
256 | RIPE NCC | ASSIGNED PA |
| 185.63.143.0/24 |
SIMWOOD-SJ-INTERNAL
|
256 | RIPE NCC | ASSIGNED PA |
| 194.0.210.0/24 |
Simwood Esms Limited
|
256 | RIPE NCC | ASSIGNED PI |
| 207.170.190.0/23 |
 Micro Advantage, INC
|
512 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2604:7440::/32 |
Simwood Inc.
|
7.9228× 1028 | ARIN | ALLOCATION |
| 2a02:28c8::/32 |
Simwood Esms Limited
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS42353 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS42353 connects to the global Internet via at least 3 upstream providers. In this setup, AS42353 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS42353 currently has no downstream networks, meaning it does not serve as a transit provider to customer networks.