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Autonomous System

AS1659

Taiwan Academic Network (TANet) Information Center

Announced IPs
5,595,392
CIDR prefixes
84
ASN
AS1659

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.

71/100
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 Educational/Research
Traffic level 5-10Gbps
Geographic scope Asia Pacific
Traffic ratio Balanced
Peering policy Selective
IRR record AS1659:AS-TANET

Web3 footprint

AS1659 hosts 2 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS1659 — global IP footprint

Cities where AS1659 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
120.96.0.0/12 1.05M
0.0%
Taiwan Academic Network TANet Information Center TW Taichung City Taichung
120.104.0.0/13 524.3K
14.0%
Taiwan Academic Network TANet Information Center TW Taichung City Taichung
120.112.0.0/13 524.3K
17.4%
Taiwan Academic Network TANet Information Center TW Chiayi Chiayi City
140.120.0.0/13 524.3K
2.8%
Taiwan Academic Network TANet Information Center TW Keelung City Keelung
163.16.0.0/13 524.3K
16.6%
Taiwan Academic Network TANet Information Center TW Kaohsiung Kaohsiung
120.120.0.0/14 262.1K
0.0%
Taiwan Academic Network TANet Information Center TW
140.116.0.0/14 262.1K
7.0%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
140.132.0.0/14 262.1K
2.1%
Taiwan Academic Network TANet Information Center TW Taoyuan Taoyuan
163.24.0.0/14 262.1K
17.8%
Taiwan Academic Network TANet Information Center TW Kaohsiung Daliao
120.98.0.0/15 131.1K
0.1%
Taiwan Academic Network TANet Information Center TW
120.102.0.0/15 131.1K
9.9%
Taiwan Academic Network TANet Information Center TW
120.124.0.0/15 131.1K
42.0%
Taiwan Academic Network TANet Information Center TW Taoyuan Zhongli District
140.118.0.0/15 131.1K
8.6%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
140.130.0.0/15 131.1K
18.9%
Taiwan Academic Network TANet Information Center TW New Taipei City New Taipei City
163.14.0.0/15 131.1K
20.6%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
163.30.0.0/15 131.1K
1.2%
Taiwan Academic Network TANet Information Center TW Taoyuan Taoyuan
120.97.0.0/16 65.5K
4.1%
Taiwan Academic Network TANet Information Center TW
120.100.0.0/16 65.5K
0.0%
Taiwan Academic Network TANet Information Center TW
134.208.0.0/16 65.5K
40.1%
Taiwan Academic Network TANet Information Center TW Hualien County Shoufeng
140.92.0.0/16 65.5K
0.2%
Taiwan Academic Network TANet Information Center TW
140.111.0.0/16 65.5K
32.9%
Taiwan Academic Network TANet Information Center TW Taipei City Zhongzheng
140.116.0.0/16 65.5K
3.2%
Taiwan Academic Network TANet Information Center TW Tainan Tainan
140.128.0.0/16 65.5K
7.5%
Taiwan Academic Network TANet Information Center TW Taichung City Taichung
140.137.0.0/16 65.5K
3.9%
Taiwan Academic Network TANet Information Center TW
140.138.0.0/16 65.5K
2.1%
Taiwan Academic Network TANet Information Center TW Taoyuan Daxi
163.13.0.0/16 65.5K
35.3%
Taiwan Academic Network TANet Information Center TW New Taipei City New Taipei City
163.28.0.0/16 65.5K
3.4%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
163.32.0.0/16 65.5K
50.5%
Taiwan Academic Network TANet Information Center TW Kaohsiung Kaohsiung
192.192.0.0/16 65.5K
16.8%
Taiwan Academic Network TANet Information Center TW Taichung City Taichung
203.64.0.0/16 65.5K
10.4%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
203.68.0.0/16 65.5K
4.9%
Taiwan Academic Network TANet Information Center TW
203.71.0.0/16 65.5K
3.3%
Taiwan Academic Network TANet Information Center TW Taoyuan Bade District
203.72.0.0/16 65.5K
14.6%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
210.60.0.0/16 65.5K
0.3%
Taiwan Academic Network TANet Information Center TW New Taipei City New Taipei City
210.70.0.0/16 65.5K
8.4%
Taiwan Academic Network TANet Information Center TW Taichung City Taichung
210.240.0.0/16 65.5K
31.6%
Taiwan Academic Network TANet Information Center TW Taitung Taitung
120.101.128.0/17 32.8K
0.1%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
120.126.128.0/17 32.8K
11.8%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
120.127.0.0/17 32.8K
0.0%
Taiwan Academic Network TANet Information Center TW Taitung Taitung
140.129.128.0/17 32.8K
1.1%
Taiwan Academic Network TANet Information Center TW
140.136.0.0/17 32.8K
18.3%
Taiwan Academic Network TANet Information Center TW New Taipei City New Taipei City
192.192.128.0/17 32.8K
26.7%
Taiwan Academic Network TANet Information Center TW New Taipei City New Taipei City
210.59.0.0/17 32.8K
7.8%
Taiwan Academic Network TANet Information Center TW
210.71.0.0/17 32.8K
2.1%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
120.96.64.0/18 16.4K
65.0%
Taiwan Academic Network TANet Information Center TW
120.96.128.0/18 16.4K
20.6%
Taiwan Academic Network TANet Information Center TW
120.101.0.0/18 16.4K
66.0%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
120.127.192.0/18 16.4K
0.2%
Taiwan Academic Network TANet Information Center TW New Taipei City New Taipei City
192.192.64.0/18 16.4K
9.5%
Taiwan Academic Network TANet Information Center TW
210.243.0.0/18 16.4K
0.8%
Taiwan Academic Network TANet Information Center TW New Taipei City New Taipei City
120.96.32.0/19 8.2K
6.8%
Taiwan Academic Network TANet Information Center TW
120.96.192.0/19 8.2K
0.0%
Taiwan Academic Network TANet Information Center TW
120.101.96.0/19 8.2K
0.0%
Taiwan Academic Network TANet Information Center TW
120.126.0.0/19 8.2K
2.0%
Taiwan Academic Network TANet Information Center TW
120.127.128.0/19 8.2K
0.0%
Taiwan Academic Network TANet Information Center TW
140.129.0.0/19 8.2K
5.9%
Taiwan Academic Network TANet Information Center TW Taipei City Taipei
140.129.96.0/19 8.2K
0.2%
Taiwan Academic Network TANet Information Center TW
192.192.0.0/19 8.2K
5.3%
Taiwan Academic Network TANet Information Center TW
210.62.64.0/19 8.2K
5.8%
Taiwan Academic Network TANet Information Center TW
120.96.224.0/20 4.1K
0.0%
Taiwan Academic Network TANet Information Center TW
120.101.80.0/20 4.1K
0.0%
Taiwan Academic Network TANet Information Center TW
120.126.112.0/20 4.1K
29.0%
Taiwan Academic Network TANet Information Center TW
140.129.32.0/20 4.1K
20.3%
Taiwan Academic Network TANet Information Center TW
192.83.176.0/20 4.1K
9.3%
Taiwan Academic Network TANet Information Center TW
192.192.32.0/20 4.1K
3.1%
Taiwan Academic Network TANet Information Center TW
210.62.224.0/20 4.1K
0.0%
Taiwan Academic Network TANet Information Center TW
120.101.72.0/21 2.0K
0.0%
Taiwan Academic Network TANet Information Center TW
140.129.88.0/21 2.0K
0.0%
Taiwan Academic Network TANet Information Center TW
192.83.168.0/21 2.0K
3.5%
Taiwan Academic Network TANet Information Center TW
192.192.56.0/21 2.0K
2.4%
Taiwan Academic Network TANet Information Center TW
210.62.240.0/21 2.0K
12.1%
Taiwan Academic Network TANet Information Center TW
210.67.248.0/21 2.0K
0.0%
Taiwan Academic Network TANet Information Center TW
120.96.252.0/22 1.0K
0.0%
Taiwan Academic Network TANet Information Center TW
120.101.68.0/22 1.0K
0.0%
Taiwan Academic Network TANet Information Center TW
140.129.84.0/22 1.0K
0.0%
Taiwan Academic Network TANet Information Center TW
192.83.192.0/22 1.0K
3.2%
Taiwan Academic Network TANet Information Center TW
192.192.52.0/22 1.0K
4.8%
Taiwan Academic Network TANet Information Center TW
140.129.48.0/23 512
0.2%
Taiwan Academic Network TANet Information Center TW
140.129.82.0/23 512
0.0%
Taiwan Academic Network TANet Information Center TW
192.83.166.0/23 512
6.1%
Taiwan Academic Network TANet Information Center TW
192.192.50.0/23 512
13.3%
Taiwan Academic Network TANet Information Center TW
140.129.50.0/24 256
0.4%
Taiwan Academic Network TANet Information Center TW
140.129.81.0/24 256
0.0%
Taiwan Academic Network TANet Information Center TW
192.83.196.0/24 256
19.1%
Taiwan Academic Network TANet Information Center TW
192.192.49.0/24 256
0.0%
Taiwan Academic Network TANet Information Center TW

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS1659 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
140.92.128.0/17 29,533 2026-08-27 07:42:26
140.92.0.0/17 29,478 2026-08-27 07:42:26
120.96.0.0/11 24,606 2026-08-27 07:49:45
140.138.0.0/16 24,488 2026-08-27 07:49:45
134.208.0.0/16 24,414 2026-08-27 07:49:45
140.136.0.0/15 24,258 2026-08-27 07:49:45
140.92.0.0/16 24,234 2026-08-27 07:49:45
140.110.0.0/15 24,233 2026-08-27 07:49:45
140.128.0.0/13 24,205 2026-08-27 07:49:45
140.112.0.0/12 24,003 2026-08-27 07:49:45
163.13.0.0/16 23,239 2026-08-27 07:43:34
163.16.0.0/13 22,535 2026-08-27 07:43:34
163.14.0.0/15 22,535 2026-08-27 07:43:34
163.24.0.0/14 22,512 2026-08-27 07:43:34
163.28.0.0/16 22,510 2026-08-27 07:43:34
163.32.0.0/16 22,497 2026-08-27 07:43:34
163.30.0.0/15 22,457 2026-08-27 07:43:34
192.83.176.0/20 15,324 2026-08-27 07:30:03
192.83.168.0/21 15,260 2026-08-27 07:30:03
192.83.192.0/22 15,258 2026-08-27 07:30:03
192.83.166.0/23 15,257 2026-08-27 07:30:03
192.83.196.0/24 15,248 2026-08-27 07:30:03
192.192.0.0/16 14,999 2026-08-27 07:30:03
210.62.224.0/20 14,687 2026-08-27 07:30:03
203.72.0.0/16 14,682 2026-08-27 07:30:52
210.70.0.0/16 14,650 2026-08-27 07:30:03
210.62.64.0/19 14,642 2026-08-27 07:30:03
210.71.0.0/17 14,640 2026-08-27 07:30:03
210.67.248.0/21 14,633 2026-08-27 07:30:03
210.240.0.0/16 14,628 2026-08-27 07:30:03
210.60.0.0/16 14,593 2026-08-27 07:30:03
210.59.0.0/17 14,590 2026-08-27 07:30:03
203.64.0.0/16 14,580 2026-08-27 07:30:03
210.243.0.0/18 14,576 2026-08-27 07:30:03
210.62.240.0/21 14,570 2026-08-27 07:30:03
203.68.0.0/16 14,532 2026-08-27 07:30:03
203.71.0.0/16 14,529 2026-08-27 07:30:03
192.192.26.0/24 1,858 2026-08-26 13:31:14
192.192.24.0/23 1,850 2026-08-26 13:31:14
192.192.21.0/24 1,850 2026-08-26 13:31:14
210.60.28.0/22 1,706 2026-08-26 16:56:12
210.60.126.0/24 1,515 2026-08-24 13:29:22
210.60.119.0/24 1,515 2026-08-24 13:29:22
210.60.122.0/23 1,512 2026-08-24 13:29:22
210.60.124.0/23 1,507 2026-08-24 13:29:22
210.60.222.0/24 1,495 2026-08-24 13:29:22
210.60.221.0/24 1,494 2026-08-24 13:29:22
210.60.223.0/24 1,489 2026-08-24 13:29:22
210.60.8.0/22 1,471 2026-08-24 13:29:22
210.60.12.0/23 1,463 2026-08-24 13:29:22

Showing top 50 of 368 announced prefixes by sample volume.

Frequently Asked Questions

What is AS1659?

AS1659 is an Autonomous System Number assigned to Taiwan Academic Network (TANet) Information Center. 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 AS1659 announce?

AS1659 announces 5.60M IPv4 addresses distributed across 84 routed CIDR prefixes. The network is registered in Taiwan.

Who operates AS1659?

AS1659 is operated by Taiwan Academic Network TANet Information Center. The organization is based in Taiwan. You can view all IP ranges and related ASNs on the organization page.

What country is AS1659 registered in?

AS1659 is registered in Taiwan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-08-27 07:54:05 UTC
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