Tan Kok Feng

Data as of 2026-11-08
BGP inherited
This organisation
Netblocks18 · 1,024 IPv4 addresses
IPv6 14 prefixes (largest 2a12:cb43::/36)
Registered in Spain (1) · Serbia (1) · Sweden (1) · United States (1)
Record ID266770310
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 16 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (18)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.155.242.0/24 Tan Kok Feng BGP ANNOUNCED ● high
77.216.0.0/24 Tan Kok Feng BGP ANNOUNCED ● high
89.23.82.0/24 Tan Kok Feng BGP ANNOUNCED ● high
172.83.188.0/24 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab1::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab2::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab3::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab4::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab5::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab6::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab7::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab8::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab9::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:babc::/48 Tan Kok Feng BGP ANNOUNCED ● high
2a12:cb43::/36 Tan Kok Feng BGP ANNOUNCED ● high
2a0f:1cc6:bab0::/44 Tan Kok Feng RIPE ALLOCATED-BY-LIR ● low
2a14:67c2:200::/40 Tan Kok Feng RIPE ALLOCATED-BY-LIR ● low
2a14:67c3:bab0::/44 Tan Kok Feng RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (14)

CIDR
2a12:cb43::/36
2a14:67c2:200::/40
2a0f:1cc6:bab0::/44
2a14:67c3:bab0::/44
2a0f:1cc6:bab1::/48
2a0f:1cc6:bab2::/48
2a0f:1cc6:bab3::/48
2a0f:1cc6:bab4::/48
2a0f:1cc6:bab5::/48
2a0f:1cc6:bab6::/48
2a0f:1cc6:bab7::/48
2a0f:1cc6:bab8::/48
2a0f:1cc6:bab9::/48
2a0f:1cc6:babc::/48

Footprint over time

20 weekly snapshots · JSON
19 +10 netblocks since 2026-07-05
2026-07-05 peak 19 2026-11-08

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.7% of checked blocks have valid RPKI ROA coverage (18 of 19)
Possible discrepancies (4)

These blocks are registered to Tan Kok Feng but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

45.155.242.0/24 /24 authorized for AS834 — IPXO LLC
77.216.0.0/24 /24 authorized for AS136809 — FAST ZONE IT
89.23.82.0/24 /24 authorized for AS834 — IPXO LLC
172.83.188.0/24 /24 authorized for AS136809 — FAST ZONE IT

NIC Handles

AKAERE-NETWORKS-MNT ALICE-NETWROKS-MNT ALICE-NOC-MNT AS147281 AS204535 AS23061 AS5511 AS8311-MNT DUMY-RIPE DUMY-RIPE JIANYUELAB-STAFF-MNT KEVINTAN-MNT +4 more