AS42353 Simwood eSMS Limited 🇬🇧 GB
Announcing 16 prefixes, seen at the RIS collectors.
IPv4 prefixes
16
6,400 (25 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS42353
- Name
- Simwood eSMS Limited
- Organisation
- Simwood eSMS
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2007-02-07
- Network type
- NSP
- Traffic levels
- 5-10Gbps
- Scope
- Europe
- Peering policy
- Selective
- IRR as-set
- AS-SIMWOOD
- Website
- http://www.simwood.com
- PeeringDB
- net/1311
- Exchanges
- 4
- Facilities
- 6
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
16 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 91.233.5.0/24 v4 | no ROA | 42 | 34549291442353 | 2026-09-18 |
| 178.22.136.0/21 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 178.22.136.0/23 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 178.22.136.0/24 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 178.22.137.0/24 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 178.22.139.0/24 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 178.22.140.0/23 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 178.22.140.0/24 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 178.22.141.0/24 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 178.22.142.0/24 v4 | RPKI valid | 40 | 2448242353 | 2026-09-18 |
| 178.22.143.0/24 v4 | RPKI valid | 40 | 2448242353 | 2026-09-18 |
| 185.63.140.0/24 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 185.63.141.0/24 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 185.63.142.0/24 v4 | RPKI valid | 40 | 2448242353 | 2026-09-18 |
| 185.63.143.0/24 v4 | RPKI valid | 42 | 34549291442353 | 2026-09-18 |
| 194.0.210.0/24 v4 | RPKI valid | 42 | 2448242353 | 2026-09-18 |