AS5503 RM Education plc
AS5503 is operated by RM Education plc and registered with RIPE NCC (GB) since 1995-12-22.
It announces 40 IPv4 and 1 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 46 upstream and peer networks and 2 downstream networks next to it.
PeeringDB lists it as a Cable/DSL/ISP network at 3 internet exchanges and 2 facilities. Its peering policy is open.
| Name | RM Education plc |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | United Kingdom (GB) |
| Delegated on | 1995-12-22 |
| Network type | Cable/DSL/ISP, Europe |
| Peering policy | Open |
| IRR as-set | RIPE::AS-RMIFL |
| Prefixes (IPv4 / IPv6) | 40 / 1 |
| RPKI valid | 100% (41 / 41) |
| Upstreams and peers | 46 |
| Downstream networks | 2 |
| Website | rm.com |
Routing health
- AS5503 announces 40 IPv4 and 1 IPv6 prefixes.
- All 41 announced prefixes are RPKI valid.
- 46 upstreams and peers, 2 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 41
- 62.171.192.0/19
- 62.171.224.0/22
- 62.171.252.0/22
- 185.192.228.0/22
- 194.154.0.0/20
- 194.154.16.0/21
- 194.238.32.0/21
- 194.238.48.0/21
- 194.238.60.0/22
- 194.238.64.0/21
- 213.18.248.0/21
- 217.177.16.0/20
- 217.177.36.0/22
- 217.177.56.0/21
- 217.177.64.0/21
- 217.177.76.0/22
- 217.177.88.0/21
- 217.179.0.0/22
- 217.179.8.0/21
- 217.179.16.0/20
- 217.179.32.0/20
- 217.179.52.0/22
- 217.179.60.0/22
- 217.179.64.0/21
- 217.179.76.0/22
- 217.179.84.0/22
- 217.179.92.0/22
- 217.179.96.0/20
- 217.179.112.0/21
- 217.179.120.0/22
- 217.179.192.0/20
- 217.179.208.0/21
- 217.179.216.0/22
- 217.179.224.0/22
- 217.179.232.0/21
- 217.179.240.0/20
- 217.180.24.0/21
- 217.180.32.0/22
- 217.180.48.0/22
- 217.181.0.0/18
- 2a02:fb0::/32
Upstreams and peers 46
The networks RIPE RIS sees next to AS5503 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 80 IPv4, 10 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| LINX LON1: Main | 2 | 60G | Yes |
| LINX LON2 | 2 | 20G | Yes |
| LONAP: LON0 | 2 | 120G | Yes |
| Facility | City | Country |
|---|---|---|
| Equinix LD8 - London, Docklands | London | GB |
| Telehouse - London (Docklands West) | London | GB |
More about AS5503
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 17:16 UTC. The country is where the AS number was registered, not necessarily where the network operates.