AS204535 KevinTan-Networks Tan Kok Feng
π²πΎOrg handle: ORG-KTN1-RIPE
Kevin Tan Networks
RIPE NCCallocated
Announced Prefixes (BGP)
19total
8 IPv411 IPv6
IPv4 Addresses
Allocated (RIR)1,024
Announced (BGP)2,048
IPv6 Addresses
Allocated (RIR)5.3Γ10Β²β·
Announced (BGP)4.9Γ10Β²β·
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
50
Country
π²πΎ MYRIR
RIPE NCCStatus
allocated
Allocated
2025-10-23
Routing hygiene
Score 37/100 Β· Medium riskRPKI ROA coverage
78.9%
4 prefixes RPKI invalid
IRR route objects
78.9%
4 prefixes registered for another origin
Hijack signals
1
1 announced against others' ROAs, 0 own announced by others
Upstreams
4
diversity 54/100
- Announces 1 prefix that RPKI assigns to another network (possible hijack or misconfiguration)
- 21% of announced prefixes (4 of 19) have no valid ROA, 4 of them RPKI invalid
- 21% of announced prefixes (4 of 19) have no IRR route object for this ASN
Based on 19 announced prefixes, updated daily (2026-10-27). How the score works Β· RPKI explained
Announced Prefixes
(BGP)19|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
45.155.242.0/24MOAS | Valid | Other IRRRIPE | 2026-10-28 |
| Invalid | - | 2026-10-28 | |
| Valid | Other IRRRIPE | 2026-10-28 | |
| Invalid | - | 2026-10-28 | |
| Valid | Other IRRRIPE | 2026-10-28 | |
| Invalid | - | 2026-10-28 | |
| Valid | ARINOther IRR | 2026-10-28 | |
| Invalid | - | 2026-10-28 | |
| Valid | RIPE | 2026-10-28 | |
| Valid | RIPE | 2026-10-28 |
1-10 of 19
1 / 2
Allocated Prefixes
(RIR)19Prefix | Country | RIR | Status |
|---|---|---|---|
| 46.203.37.0/24 | πΈπ¬ SG | RIPE | assigned |
| 77.216.0.0/24 | ππ° HK | RIPE | assigned |
| 88.209.216.0/24 | πͺπΊ EU | RIPE | assigned |
| 91.124.24.0/24 | πͺπΊ EU | RIPE | assigned |
| 2001:678:114c::/48 | π²πΎ MY | RIPENCC | assigned |
| 2a0f:1cc6:bab0::/44 | π²πΎ MY | RIPE | assigned |
| 2a0f:1cc6:bab1::/48 | π²πΎ MY | RIPE | assigned |
| 2a0f:1cc6:bab2::/48 | πΈπ¬ SG | RIPE | assigned |
| 2a0f:1cc6:bab3::/48 | πΈπ¬ SG | RIPE | assigned |
| 2a0f:1cc6:bab4::/48 | ππ° HK | RIPE | assigned |
1-10 of 19
1 / 2
All 19 announced prefixes of AS204535 β
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS204535 hands its own prefixes to: transit providers, or peers at an exchange.
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 AS204535 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/204535Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/204535" | jq