Autonomous system
AS24594 FSYS
Hosting RIPE
Summary
Voiceflex
residential isp uk broadband
The AS handle FSYS is operated by Voiceflex Ltd, a UK-based internet service provider.
What it's used for
- The address space carries residential broadband traffic, evidenced by reverse DNS entries like
cust.voiceflex.comand netnames such asVF_FTTCandUK_FTTC_DSL. - With 3072 IPv4 addresses announced across 5 prefixes and 82 observed neighbours, the ratio suggests an access network providing connectivity to end-users rather than a transit provider.
Notable
- Registrants for the largest prefixes are consistently listed as
Voiceflex Network OperationsandVoiceflex Ltd, aligning with the AS holderFSYS Voiceflex Ltd. - The inventory consists of two /22 blocks in the 93.95.120.0 range and three smaller blocks in the 185.120.52.0 range, reflecting a mix of legacy and newer allocations.
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 4 exchanges in 2 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| LINX LON1 | London, United Kingdom | 195.66.225.108 |
| London Network Access Point | London, United Kingdom | 5.57.81.251 |
| STHIX - Stockholm | Stockholm, Sweden | 192.121.80.40 |
| Stockholm Internet Exchange | Stockholm, Sweden | 192.121.80.40 |
Transit providers
23 upstream, 0 downstream and 31 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 5 prefixes · 3.07K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| GB | United Kingdom | 6 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS24594- Registry name
- FSYS
- Registrant
- FSYS-MNT
- Abuse contact
- NOC2@voiceflex.com
- Registered
- 2008-03-31
- Last changed
- 2025-06-18
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 5 valid, 0 with no ROA
- ROAs
- 7 authorising AS24594
- ASPA
- no ASPA record
- IRR
- 100% registered · 5 of 5 announcements
- Route objects
- 4 naming AS24594
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
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: 432 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