Chief Telecom Inc.

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks28 · 39,040 IPv4 addresses
IPv6 4 prefixes (largest 2403:a3c0::/32)
Registered in Taiwan (23) · Japan (1)
Cluster ID213210973
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 28 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
28 -1 netblocks since 2026-07-05
2026-07-05 peak 29 2026-07-26

IP Ranges (28)

⬇ export CSV
CIDR Org name Registry Status Confidence
103.124.40.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
103.124.41.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
150.117.120.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
150.117.121.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
150.117.122.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
150.117.123.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
150.117.124.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
150.117.125.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
150.117.126.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
150.117.127.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
202.3.184.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
202.153.163.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
223.26.68.0/24 Chief Telecom Inc. BGP ANNOUNCED ● high
2403:a3c0::/32 Chief Telecom Inc. BGP ANNOUNCED ● high
2403:a3c0:1::/48 Chief Telecom Inc. BGP ANNOUNCED ● high
2403:a3c0:2::/48 Chief Telecom Inc. BGP ANNOUNCED ● high
43.240.152.0/22 Chief Telecom Inc. APNIC ALLOCATED PORTABLE ● low
61.14.180.0/26 CHIEF-TELECOM-TPE-NETBLK02 APNIC ASSIGNED NON-PORTABLE ● low
103.5.100.0/22 Chief Telecom Inc. APNIC ALLOCATED PORTABLE ● low
175.111.32.0/19 Chief Telecom Inc. APNIC ALLOCATED PORTABLE ● low
202.3.168.0/24 Chief-D31 APNIC ALLOCATED NON-PORTABLE ● low
202.55.242.0/24 Chief-D31 APNIC ALLOCATED NON-PORTABLE ● low
202.55.253.0/24 Chief-T13 APNIC ASSIGNED NON-PORTABLE ● low
202.133.230.128/26 Chief-T31 APNIC ALLOCATED NON-PORTABLE ● low
202.133.231.0/24 Chief-T31 APNIC ALLOCATED NON-PORTABLE ● low
203.163.192.0/19 Chief Telecom Inc. APNIC ALLOCATED PORTABLE ● low
223.26.64.0/18 Chief Telecom Inc. APNIC ALLOCATED PORTABLE ● low
2406:d400::/32 Chief Telecom Inc. APNIC ALLOCATED PORTABLE ● low

IPv6 ranges (4)

Network trust

what's this?
RPKI hygiene: B how networks compare →
85.7% of checked blocks have valid RPKI ROA coverage (24 of 28)
Possible discrepancies (5)

These blocks are registered to Chief Telecom Inc. but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

103.5.100.0/22 /22 authorized for AS38851 — PEGATRON
202.55.253.0/24 /24 authorized for AS63199 — CDS Global Cloud Co., Ltd
202.133.231.0/24 /24 authorized for AS17408 — AboveNet Communications Taiwan Co., Ltd
202.3.168.0/24 /24 authorized for AS17408 — AboveNet Communications Taiwan Co., Ltd
202.55.242.0/24 /24 authorized for AS17408 — AboveNet Communications Taiwan Co., Ltd

NIC Handles

AA2073-AP AC2454-AP AH713-AP AH713-AP AS131600 AS131606 AS657-AP AT939-AP AT940-AP AU223-AP BY199-AP CG195-AP +16 more