Autonomous system
AS5503 RMIFL
Education RIPE Cable/DSL/ISP
Summary
RM Education Ltd
isp education legacy
RMIFL belongs to RM Education Ltd, part of the British company RM plc. RM is a long-running supplier of IT and connectivity to UK education, and it has operated as an ISP for schools since the mid-1990s.
What it's used for
- Broadband, leased lines and filtered internet access delivered to UK schools, colleges and multi-academy trusts.
- Safeguarding and filtering infrastructure sits inline with that access, so the AS also carries RM's own content-filtering and security platforms.
Notable
- Although the holder is a commercial company, the address space overwhelmingly serves educational end users. Downstream, these addresses look like school networks, not homes or a datacentre.
- RM peers with the platforms schools actually depend on, and connects into the UK academic networking world, which is why its routing profile looks unlike a general-purpose consumer ISP.
Interesting
- RM began in 1973 as Research Machines, selling microcomputers to schools, and moved into school networking and then connectivity. The AS is a direct descendant of that pivot from hardware to services.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 2 exchanges in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| LINX LON1 | London, United Kingdom | 195.66.224.101 |
| London Network Access Point | London, United Kingdom | 5.57.80.75 |
Transit providers
21 upstream, 2 downstream and 33 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 40 prefixes · 99.33K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| GB | United Kingdom | 41 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS5503- Registry name
- RMIFL
- Registrant
- AS5503-MNT
- Abuse contact
- abuse@ifl.net
- Registered
- 2002-08-20
- Last changed
- 2026-08-07
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- RM Education plc
- Also known as
- Internet for Learning
- Network type
- Cable/DSL/ISP
- Scope
- Europe
- Traffic ratio
- Mostly Inbound
- Peering policy
- Open
- IRR as-set
AS-RMIFL- Present at
- 3 exchanges
- Facilities
- 2 facilities
- Website
- http://www.rm.com
PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.
Routing security
RPKI and IRR
- RPKI
- 100% valid · 41 valid, 0 with no ROA
- ROAs
- 41 authorising AS5503
- ASPA
- no ASPA record
- IRR
- 100% registered · 41 of 41 announcements
- Route objects
- 43 naming AS5503
Reputation
Classification and threat
Education University, school or national research and education network.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 431 networks and 1,768 prefixes, as published 2026-10-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere