AS42831 UKSERVERS-AS UK Dedicated Servers Limited
🇬🇧Org handle: ORG-UDSL2-RIPE
UK Dedicated Servers, Hosting and Co-Location
RIPE NCCallocated
Announced Prefixes (BGP)
359total
349 IPv410 IPv6
IPv4 Addresses
Allocated (RIR)105,984
Announced (BGP)137,728
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)8.7×10²⁹
Prefix Limit (IPv4)
1,000
Prefix Limit (IPv6)
50
Country
🇬🇧 GBRIR
RIPE NCCStatus
allocated
Allocated
2007-04-24
Routing hygiene
Score 33/100 · Medium riskRPKI ROA coverage
81.9%
44 prefixes RPKI invalid
IRR route objects
87.2%
44 prefixes registered for another origin
Hijack signals
9
9 announced against others' ROAs, 0 own announced by others
Upstreams
6
diversity 49/100
- Announces 9 prefixes that RPKI assigns to another network (possible hijack or misconfiguration)
- 18% of announced prefixes (65 of 359) have no valid ROA, 44 of them RPKI invalid
- 7 prefixes registered in IRR route objects for another active network and not authorized by a ROA
Based on 359 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained
Announced Prefixes
(BGP)359|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
2.58.86.0/24MOAS | Valid | Other IRRRIPE | 2026-10-26 |
| Valid | RIPE | 2026-10-26 | |
| Valid | Other IRRRIPE | 2026-10-26 | |
| Valid | Other IRRRIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
5.157.128.0/24MOAS | Valid | RIPE | 2026-10-26 |
1-10 of 359
1 / 36
Allocated Prefixes
(RIR)296Prefix | Country | RIR | Status |
|---|---|---|---|
| 5.8.251.0/24 | 🇺🇸 US | RIPENCC | allocated |
| 5.56.31.0/24 | 🇪🇺 EU | RIPE | assigned |
| 5.83.215.0/24 | 🇦🇪 AE | RIPE | assigned |
| 5.101.136.0/21 | 🇬🇧 GB | RIPENCC | allocated |
| 5.101.144.0/21 | 🇬🇧 GB | RIPENCC | allocated |
| 5.101.168.0/21 | 🇬🇧 GB | RIPENCC | allocated |
| 5.157.128.0/24 | 🇪🇸 ES | RIPE | assigned |
| 5.181.124.0/24 | 🇬🇧 GB | RIPE | assigned |
| 5.252.78.0/24 | 🇬🇧 GB | RIPE | assigned |
| 31.22.108.0/24 | 🇱🇹 LT | RIPE | assigned |
1-10 of 296
1 / 30
All 359 announced prefixes of AS42831 →
BGP Neighbours
(seen in AS paths)Upstreams (6)
Networks AS42831 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (20)
Networks whose own prefixes AS42831 passes on: usually its customers.
- AS200260Debugged Network Debugged35
- AS64080SYN UK SYN26
- AS209847THE WorkTitans B.V23
- AS136787PacketHub S.A18
- AS7489HostUS13
- AS206074ASCOMMONDIGIT F.N.S. HOLDINGS LIMITED7
- AS47625UKHOST4U Paul David Hughes5
- AS59676NETWORKSERVICES SEC Network Services5
- AS205072LAYERSHIFT Limited5
- AS51692HyberHost Steven Smith Trading HyberHost4
- AS64245DigitalFyre Internet Solutions4
- AS216382LAYER MARKETING SERVICES L.L.C4
- AS215419Karizanta3
- AS46261QuickPacket2
- AS214271QTNETWORK ICONIC PROTECH2
- AS215322Connectcov UK Dedicated Servers Limited2
- AS216307HYPERHOST Solutions Limited2
- AS1004Ambyre1
- AS27176DataWagon1
- AS201323Host Media Host Media1
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/42831Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/42831" | jq