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WorldIP.io
Autonomous System

AS131596

TBC

TBC Taiwan 🌐 tbc.net.tw
Announced IPs
354,047
CIDR prefixes
33
ASN
AS131596

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 20-50Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Selective
IRR record AS131596

Present at 3 internet exchanges: TPIX-TW, FOX, STUIX

Website ↗

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
123.240.0.0/15 131.1K
99.6%
TBC TW Taichung City Taichung
123.110.0.0/16 65.5K
99.2%
TBC TW Taichung City Taichung
123.240.0.0/16 65.5K
99.6%
TBC TW Taichung City Taichung
59.102.128.0/17 32.8K
99.1%
TBC TW Taoyuan Zhongli District
116.241.0.0/17 32.8K
99.5%
TBC TW Taichung City Nantun
123.241.128.0/17 32.8K
99.6%
TBC TW Miaoli Zhunan
61.57.64.0/18 16.4K
99.0%
TBC TW Taoyuan Zhongli District
116.241.128.0/18 16.4K
99.6%
TBC TW Miaoli Miaoli
123.0.192.0/18 16.4K
99.5%
TBC TW Taoyuan Zhongli District
123.241.64.0/18 16.4K
99.6%
TBC TW Hsinchu County Zhubei
61.58.64.0/19 8.2K
98.9%
TBC TW Taoyuan Zhongli District
61.58.160.0/19 8.2K
95.9%
TBC TW Taoyuan Taoyuan
61.63.96.0/19 8.2K
99.6%
TBC TW Taoyuan Zhongli District
116.241.224.0/19 8.2K
99.5%
TBC TW Taoyuan Zhongli District
123.241.0.0/19 8.2K
99.6%
TBC TW Taichung City Taichung
116.241.192.0/20 4.1K
99.6%
TBC TW Taoyuan Zhongli District
123.241.48.0/20 4.1K
99.6%
TBC TW Taichung City Taichung
116.241.208.0/21 2.0K
99.6%
TBC TW Taoyuan Zhongli District
123.241.32.0/21 2.0K
99.6%
TBC TW Taichung City Taichung
210.202.56.0/21 2.0K
99.1%
TBC TW — —
116.241.216.0/22 1.0K
99.4%
TBC TW Taoyuan Taoyuan
123.241.40.0/22 1.0K
99.6%
TBC TW Taichung City Taichung
116.241.220.0/23 512
99.6%
TBC TW Taoyuan Dayuan
116.241.222.0/23 512
99.6%
TBC TW — —
123.241.46.0/23 512
99.6%
TBC TW Taichung City Taichung
116.241.221.0/24 256
99.6%
TBC TW — —
116.241.222.0/24 256
99.6%
TBC TW — —
123.241.45.0/24 256
99.6%
TBC TW Taichung City Taichung
123.241.44.0/25 128
100.0%
TBC TW Taichung City Taichung
123.241.44.128/26 64
100.0%
TBC TW Taichung City Taichung
123.241.44.224/27 32
100.0%
TBC TW Taichung City Taichung
123.241.44.192/28 16
100.0%
TBC TW Taichung City Taichung
123.241.44.208/29 8
100.0%
TBC TW Taichung City Taichung
123.241.44.220/30 4
100.0%
TBC TW Taichung City Taichung
123.241.44.218/31 2
100.0%
TBC TW Taichung City Taichung
123.241.44.217/32 1
100.0%
TBC TW Taichung City Taichung

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS131596 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
59.102.229.0/24 68,938 2026-11-07 17:45:08
116.241.204.0/23 25,659 2026-11-13 02:11:39
116.241.206.0/23 25,487 2026-11-13 02:11:39
116.241.144.0/23 25,468 2026-11-13 09:19:03
116.241.200.0/23 25,308 2026-11-13 09:19:03
116.241.220.0/24 25,042 2026-07-25 16:25:57
123.0.238.0/23 24,685 2026-11-13 02:11:39
116.241.62.0/23 24,669 2026-11-13 02:11:39
61.57.100.0/23 24,609 2026-11-13 02:11:39
123.0.240.0/23 24,527 2026-11-13 02:11:39
123.0.236.0/23 24,516 2026-11-13 02:11:39
123.0.250.0/23 24,464 2026-11-13 02:11:39
123.0.252.0/23 24,373 2026-11-13 02:11:39
123.0.242.0/23 24,368 2026-11-13 02:11:39
61.57.102.0/23 24,367 2026-11-13 02:11:39
123.0.224.0/23 24,293 2026-11-13 02:11:39
123.0.226.0/23 24,230 2026-11-13 02:11:39
123.0.254.0/23 24,226 2026-11-13 02:11:39
123.0.222.0/23 24,212 2026-11-13 02:11:39
123.0.248.0/23 24,212 2026-11-13 02:11:39
123.0.220.0/23 24,135 2026-11-13 02:11:39
123.241.40.0/23 23,993 2026-11-13 09:19:03
123.0.228.0/23 23,842 2026-11-13 02:11:39
123.0.234.0/23 23,823 2026-11-13 02:11:39
123.0.232.0/23 23,814 2026-11-13 02:11:39
123.241.4.0/23 23,811 2026-11-13 09:19:03
123.0.230.0/23 23,808 2026-11-13 02:11:39
123.241.36.0/23 23,751 2026-11-13 09:19:03
116.241.56.0/23 23,720 2026-11-13 09:19:03
116.241.110.0/23 23,675 2026-11-13 09:19:03
116.241.108.0/23 23,614 2026-11-13 09:19:03
116.241.172.0/23 23,583 2026-11-13 09:19:03
116.241.58.0/23 23,564 2026-11-13 09:19:03
59.102.142.0/23 23,440 2026-11-13 09:19:03
116.241.26.0/23 23,429 2026-11-13 09:19:03
123.0.192.0/23 23,428 2026-11-13 09:19:03
59.102.140.0/23 23,357 2026-11-13 09:19:03
116.241.24.0/23 23,348 2026-11-13 09:19:03
116.241.202.0/23 23,333 2026-11-13 09:19:03
123.0.246.0/23 23,242 2026-11-13 09:19:03
123.0.206.0/23 23,132 2026-11-13 09:19:03
116.241.162.0/23 23,125 2026-11-13 09:19:03
123.0.212.0/23 23,111 2026-11-13 09:19:03
123.0.214.0/23 23,106 2026-11-13 09:19:03
123.0.244.0/23 23,072 2026-11-13 09:19:03
123.0.204.0/23 23,049 2026-11-13 09:19:03
123.0.218.0/23 23,038 2026-11-13 09:19:03
123.0.196.0/23 23,007 2026-11-13 09:19:03
116.241.14.0/23 23,002 2026-11-13 09:19:03
123.0.216.0/23 22,971 2026-11-13 09:19:03

Showing top 50 of 1,624 announced prefixes by sample volume.

Frequently Asked Questions

What is AS131596?

AS131596 is an Autonomous System Number assigned to TBC. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS131596 announce?

AS131596 announces 354.0K IPv4 addresses distributed across 33 routed CIDR prefixes. The network is registered in Taiwan.

Who operates AS131596?

AS131596 is operated by TBC. The organization is based in Taiwan. You can view all IP ranges and related ASNs on the organization page.

What country is AS131596 registered in?

AS131596 is registered in Taiwan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 09:54:05 UTC
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