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Autonomous System

AS131596

TBC

Announced IPs
354,304
CIDR prefixes
67
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 v1.2.0 — 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

AS131596 — global IP footprint

Cities where AS131596 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
123.240.0.0/15 131.1K
99.3%
TBC TW Taichung City Taichung
116.241.0.0/16 65.5K
99.5%
TBC TW Taichung City Taichung
123.110.0.0/16 65.5K
98.4%
TBC TW Taichung City Taichung
123.240.0.0/16 65.5K
0.0%
TBC TW Taichung City Taichung
123.241.0.0/16 65.5K
0.0%
TBC TW Taichung City Taichung
59.102.128.0/17 32.8K
98.3%
TBC TW Taoyuan Zhongli District
116.241.0.0/17 32.8K
0.0%
TBC TW Taichung City Taichung
123.240.128.0/17 32.8K
0.0%
TBC TW Taichung City Taichung
123.241.128.0/17 32.8K
0.0%
TBC TW Taoyuan Zhongli District
59.102.192.0/18 16.4K
0.0%
TBC TW Taoyuan Zhongli District
61.57.64.0/18 16.4K
90.8%
TBC TW Taoyuan Zhongli District
116.241.64.0/18 16.4K
0.0%
TBC TW Taichung City Taichung
116.241.128.0/18 16.4K
0.0%
TBC TW Miaoli Zhunan
116.241.192.0/18 16.4K
0.0%
TBC TW Taichung City Taichung
123.0.192.0/18 16.4K
98.9%
TBC TW Taoyuan Zhongli District
123.240.0.0/18 16.4K
0.0%
TBC TW
123.240.64.0/18 16.4K
0.0%
TBC TW
123.241.64.0/18 16.4K
0.0%
TBC TW Hsinchu County Zhubei
59.102.128.0/19 8.2K
0.0%
TBC TW Taoyuan Zhongli District
61.58.64.0/19 8.2K
92.9%
TBC TW Taoyuan Zhongli District
61.58.160.0/19 8.2K
91.7%
TBC TW Taoyuan Taoyuan
61.63.96.0/19 8.2K
90.7%
TBC TW Taoyuan Zhongli District
116.241.32.0/19 8.2K
0.0%
TBC TW Taichung City Taichung
116.241.128.0/19 8.2K
0.0%
TBC TW Miaoli Zhunan
116.241.224.0/19 8.2K
0.0%
TBC TW Taoyuan Zhongli District
123.240.0.0/19 8.2K
0.0%
TBC TW
123.240.64.0/19 8.2K
0.0%
TBC TW
123.241.0.0/19 8.2K
0.0%
TBC TW Taichung City Taichung
59.102.160.0/20 4.1K
0.0%
TBC TW Taoyuan Taoyuan
116.241.0.0/20 4.1K
0.0%
TBC TW Taichung City Taichung
116.241.160.0/20 4.1K
0.0%
TBC TW Taoyuan Zhongli District
116.241.208.0/20 4.1K
0.0%
TBC TW Taoyuan Zhongli District
123.240.32.0/20 4.1K
0.0%
TBC TW
123.240.96.0/20 4.1K
0.0%
TBC TW
123.241.48.0/20 4.1K
0.0%
TBC TW Taichung City Taichung
59.102.176.0/21 2.0K
0.0%
TBC TW
116.241.24.0/21 2.0K
0.0%
TBC TW Miaoli Miaoli
116.241.176.0/21 2.0K
0.0%
TBC TW Taichung City Taichung
116.241.200.0/21 2.0K
0.0%
TBC TW Taichung City Taichung
123.240.48.0/21 2.0K
0.0%
TBC TW
123.240.112.0/21 2.0K
0.0%
TBC TW
123.241.32.0/21 2.0K
0.0%
TBC TW Taichung City Taichung
210.202.56.0/21 2.0K
94.8%
TBC TW Taichung City Taichung
59.102.184.0/22 1.0K
0.0%
TBC TW
116.241.16.0/22 1.0K
0.0%
TBC TW Taichung City Taichung
116.241.188.0/22 1.0K
0.0%
TBC TW Miaoli Toufen Township
116.241.196.0/22 1.0K
0.0%
TBC TW Taoyuan Zhongli District
123.240.60.0/22 1.0K
0.0%
TBC TW
123.240.120.0/22 1.0K
0.0%
TBC TW
123.241.40.0/22 1.0K
0.0%
TBC TW Taichung City Taichung
59.102.190.0/23 512
0.0%
TBC TW
116.241.192.0/23 512
0.0%
TBC TW
123.240.58.0/23 512
0.0%
TBC TW
123.240.124.0/23 512
0.0%
TBC TW
123.241.46.0/23 512
0.0%
TBC TW Taichung City Taichung
59.102.188.0/24 256
0.0%
TBC TW
116.241.194.0/24 256
0.0%
TBC TW
123.240.56.0/24 256
0.0%
TBC TW
123.240.127.0/24 256
0.0%
TBC TW
123.241.45.0/24 256
0.0%
TBC TW Taichung City Taichung
123.241.44.0/25 128
0.0%
TBC TW Taichung City Taichung
123.241.44.128/26 64
0.0%
TBC TW Taichung City Taichung
123.241.44.224/27 32
0.0%
TBC TW Taichung City Taichung
123.241.44.192/28 16
0.0%
TBC TW Taichung City Taichung
123.241.44.208/29 8
0.0%
TBC TW Taichung City Taichung
123.241.44.220/30 4
0.0%
TBC TW Taichung City Taichung
123.241.44.218/31 2
0.0%
TBC TW Taichung City Taichung
123.241.44.217/32 1
0.0%
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 47,481 2026-09-10 17:16:27
116.241.220.0/24 25,042 2026-07-25 16:25:57
123.240.57.0/24 21,751 2026-07-26 16:37:23
116.241.144.0/23 16,569 2026-09-10 17:10:46
116.241.152.0/23 16,442 2026-08-27 13:15:23
123.0.252.0/22 16,167 2026-09-10 16:42:51
116.241.204.0/23 15,766 2026-09-10 17:10:46
116.241.206.0/23 15,661 2026-09-10 17:10:46
116.241.76.0/23 15,424 2026-08-25 07:59:53
116.241.74.0/23 15,380 2026-08-25 07:59:53
123.241.40.0/23 15,379 2026-09-10 17:10:46
116.241.70.0/23 15,353 2026-08-25 07:59:53
116.241.72.0/23 15,343 2026-08-25 07:59:53
116.241.66.0/23 15,334 2026-08-25 07:59:53
116.241.68.0/23 15,282 2026-08-25 07:59:53
123.240.176.0/22 15,247 2026-09-10 16:33:29
123.240.148.0/22 15,227 2026-09-10 16:33:39
123.241.4.0/23 15,221 2026-09-10 17:10:46
116.241.78.0/23 15,206 2026-08-25 07:59:53
123.241.36.0/23 15,204 2026-09-10 17:10:46
123.240.92.0/22 15,190 2026-09-10 16:33:56
116.241.80.0/23 15,171 2026-08-25 07:59:53
116.241.82.0/23 15,071 2026-08-25 07:59:53
116.241.84.0/23 15,039 2026-08-25 07:59:53
116.241.110.0/23 14,854 2026-09-10 17:10:46
116.241.172.0/23 14,844 2026-09-10 17:10:46
116.241.108.0/23 14,805 2026-09-10 17:10:46
116.241.202.0/23 14,755 2026-09-10 17:10:46
116.241.14.0/23 14,696 2026-09-10 17:10:46
116.241.62.0/23 14,696 2026-09-10 17:10:46
116.241.26.0/23 14,641 2026-09-10 17:10:46
116.241.58.0/23 14,632 2026-09-10 17:10:46
116.241.200.0/23 14,608 2026-09-10 17:10:46
116.241.56.0/23 14,602 2026-09-10 17:10:46
116.241.24.0/23 14,601 2026-09-10 17:10:46
116.241.162.0/23 14,513 2026-09-10 17:10:46
116.241.214.0/23 14,380 2026-09-10 17:10:46
61.57.100.0/23 14,366 2026-09-10 17:10:46
123.0.238.0/23 14,350 2026-09-10 17:10:46
123.0.198.0/23 14,343 2026-09-10 17:10:46
123.0.206.0/23 14,342 2026-09-10 17:10:46
123.0.202.0/23 14,319 2026-09-10 17:10:46
123.0.232.0/23 14,311 2026-09-10 17:10:46
123.0.214.0/23 14,272 2026-09-10 17:10:46
123.0.212.0/23 14,259 2026-09-10 17:10:46
123.0.192.0/23 14,250 2026-09-10 17:10:46
59.102.142.0/23 14,247 2026-09-10 17:10:46
123.0.200.0/23 14,243 2026-09-10 17:10:46
123.0.204.0/23 14,243 2026-09-10 17:10:46
123.0.250.0/23 14,238 2026-09-10 17:10:46

Showing top 50 of 1,620 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 354.3K IPv4 addresses distributed across 67 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: 2026-09-10 17:26:08 UTC
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