Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS204535

Announcement observedRIPE NCC

Tan Kok Feng · KevinTan-Networks

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/30/2026, 16:24:51Snapshot expired

View network topology RDAP registration

ASN: AS204535
Registration country: Registration country pending sync
Name: Tan Kok Feng
Abbreviation: KevinTan-Networks
Registration date: 10/23/2025, 09:02:27
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
172.83.188.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/22/2026, 00:00:00	10/30/2026, 08:00:00	✓	×	Currently valid
45.155.242.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/22/2026, 00:00:00	10/30/2026, 08:00:00	✓	×	Currently valid
77.216.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/22/2026, 00:00:00	10/30/2026, 08:00:00	✓	×	Currently valid
89.23.82.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/26/2026, 16:00:00	10/30/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Tan Kok Feng
RIR: RIPE NCC
Registration country: Registration country pending sync
Registration date: 10/23/2025, 09:02:27
Abuse contact: noc@kevin.moe

Snapshot trend

10/30/2026, 16:24:514 v411 v63 Upstream · 0 Uncertain

10/10/2026, 20:35:551 v410 v63 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn