AS203516 AltunHOST AltunHOST LTD
π¬π§Org handle: ORG-AA3433-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
11total
10 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)768
Announced (BGP)2,560
IPv6 Addresses
Allocated (RIR)1.2Γ10Β²β΄
Announced (BGP)1.2Γ10Β²β΄
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Country
π¬π§ GBRIR
RIPE NCCStatus
allocated
Allocated
2025-11-24
Routing hygiene
Score 14/100 Β· Low riskRPKI ROA coverage
81.8%
no RPKI invalid prefixes
IRR route objects
81.8%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
3
diversity 43/100
- 18% of announced prefixes (2 of 11) have no valid ROA
- 18% of announced prefixes (2 of 11) have no IRR route object for this ASN
Based on 11 announced prefixes, updated daily (2026-10-16). How the score works Β· RPKI explained
Announced Prefixes
(BGP)11|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
5.175.136.0/24MOAS | Valid | RIPE | 2026-10-26 |
| Valid | RIPE | 2026-10-26 | |
5.230.9.0/24MOAS | Valid | RIPE | 2026-10-26 |
89.144.10.0/24MOAS | Valid | RIPE | 2026-10-26 |
89.144.20.0/24MOAS | Valid | RIPE | 2026-10-26 |
194.146.47.0/24MOAS | Valid | RIPE | 2026-10-26 |
1-10 of 11
1 / 2
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 5.83.131.0/24 | πΊπΈ US | RIPE | assigned |
| 5.83.135.0/24 | π©πͺ DE | RIPE | assigned |
| 5.175.206.0/24 | π©πͺ DE | RIPE | assigned |
| 2a02:2fc0:12::/48 | πΉπ· TR | RIPE | assigned |
All 11 announced prefixes of AS203516 β
BGP Neighbours
(seen in AS paths)Transfer History
Registry transfers of AS203516 between organisations.
- AS203516Transfer Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| AS203516 | Enescan Tas | AltunHOST LTD | Transfer |
ASPA
No ASPA
Abuse Contact
+31205354444
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
- ASPA explainedWhy AS203516 should publish an ASPA object
- 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/203516Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/203516" | jq