Taiwan Network Information Center
TWNIC-TW
Cluster stats
Netblocks36
All fragments 37 blocks across 2 clusters
Cluster ID191841060
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (36)

⬇ export CSV
CIDR Org name Registry Status Confidence
61.56.0.0/13 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.57.32.0 – 61.57.95.255 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.64.0.0/15 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.66.0.0/16 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.67.0.0/18 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.67.64.0/19 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.67.96.0/20 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.67.112.0/21 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.67.120.0/23 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
61.67.128.0/17 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
101.102.103.0/24 TWNIC-TW APNIC ASSIGNED PORTABLE ● low
103.235.88.0/23 TWNIC-TW APNIC ASSIGNED PORTABLE ● low
122.128.80.0/21 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
122.252.160.0/20 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
150.242.100.0/22 TWNIC-TW APNIC ASSIGNED PORTABLE ● low
202.39.112.0/20 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
202.174.16.0/20 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
203.64.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
203.68.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
203.72.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
203.91.0.0/19 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.59.0.0/16 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.60.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.62.128.0/19 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.64.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.68.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.240.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.244.0.0/16 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.244.128.0/19 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
210.244.160.0/19 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
211.20.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
211.72.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
211.76.0.0/14 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
211.79.224.0/20 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
223.26.0.0/20 TWNIC-TW APNIC ALLOCATED PORTABLE ● low
2001:de4::/48 TWNIC-TW APNIC ASSIGNED PORTABLE ● low

Network trust

what's this?
RPKI hygiene: F how networks compare →
16.7% of checked blocks have valid RPKI ROA coverage (6 of 36)
Possible discrepancies (6)

These blocks are registered to TWNIC-TW but cryptographically authorized for a different, unrelated network (5 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:de4::/48 /48 authorized for AS1659 — Taiwan Academic Network (TANet) Information Center
61.66.0.0/16 /16 authorized for AS4780 — Digital United Inc.
61.67.128.0/17 /17 authorized for AS18042 — Koos Broadband Telecom
61.67.64.0/19 /19 authorized for AS4782 — Data Communication Business Group,
150.242.100.0/22 /22 authorized for AS9311 — HITRON TECHNOLOGY INC.
101.102.103.0/24 /24 authorized for AS1659 — Taiwan Academic Network (TANet) Information Center

NIC Handles

APNIC-HM AT939-AP MAINT-TW-TWNIC TWA2-AP TWA2-AP