Autonomous System details

AS18183

National Center for Research on Earthquake Engineering  ·  niar.org.tw

Taiwan

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AS18183 – National Center for Research on Earthquake Engineering

Field Value
Country Taiwan
Website niar.org.tw
Hosted domains 2
IPv4 addresses 5,632
IPv6 addresses 159,075,295,048,171,365,324,537,462,784
ASN type Education
Registry apnic
Updated a month ago on Nov 06, 2025

IP Ranges

Netblock Company Num of IPs
61.56.0.0/20 Government Service Network (GSN) 4,096
61.56.8.0/21 Government Service Network (GSN) 2,048
202.5.12.0/22 National Center for Research on Earthquake Engineering 1,024
103.189.132.0/23 National Center for Research on Earthquake Engineering 512
61.56.4.0/24 Government Service Network (GSN) 256
Netblock Company
2001:4500::/32 National Applied Research Laboratories
2400:85a0::/32 National Center for Research on Earthquake Engineering
2001:4500:1100::/40 National Applied Research Laboratories
2001:4500:1100::/41 National Applied Research Laboratories
2001:4500:1180::/41 National Applied Research Laboratories
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WHOIS Details

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                                                ASHandle:       AS18183
                                                OrgID:          AS18183
                                                ASName:         AS18183
                                                ASNumber:       AS18183
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 2 domain names hosted across 2 IP addresses on this ASN.

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IP Address Domain Domains on this IP
202.5.12.17 ██████████ 1
202.5.12.2 █████████ 1

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Peers

There are 5 peers for this ASN.

Peers Name
AS18426 National Applied Research Laboratories
AS7539 National Center for High-performance Computing
AS9264 Academia Sinica
AS9505 Taiwan Internet Gateway
AS9681 Formosa Open eXchange(FOX)
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Upstreams

There are 3 upstreams for this ASN.

upstreams Name
AS7539 National Center for High-performance Computing
AS9264 Academia Sinica
AS9505 Taiwan Internet Gateway
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

16 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
2001:4500:1180:1::10 AS18183 National Center for Research on Earthquake Engineering 125.94ms from Los Angeles, US
61.56.10.64 AS18183 National Center for Research on Earthquake Engineering 2.31ms from Taipei, TW
61.56.8.254 AS18183 National Center for Research on Earthquake Engineering 2.87ms from Taipei, TW
103.189.133.254 AS18183 National Center for Research on Earthquake Engineering 1.83ms from Taipei, TW
202.5.12.2 AS18183 National Center for Research on Earthquake Engineering 1.34ms from Taipei, TW
61.56.11.32 AS18183 National Center for Research on Earthquake Engineering 2.30ms from Taipei, TW
2001:4500:1100:1f01::2 AS18183 National Center for Research on Earthquake Engineering 125.33ms from Los Angeles, US
61.56.6.125 AS18183 National Center for Research on Earthquake Engineering 1.45ms from Taipei, TW
61.56.4.147 AS18183 National Center for Research on Earthquake Engineering 1.47ms from Taipei, TW
61.56.9.223 AS18183 National Center for Research on Earthquake Engineering 1.44ms from Taipei, TW
61.56.12.240 AS18183 National Center for Research on Earthquake Engineering 1.75ms from Taipei, TW
61.56.15.26 AS18183 National Center for Research on Earthquake Engineering 2.34ms from Taipei, TW
61.56.14.14 AS18183 National Center for Research on Earthquake Engineering 1.52ms from Taipei, TW
61.56.13.154 AS18183 National Center for Research on Earthquake Engineering 2.16ms from Taipei, TW
202.5.15.61 AS18183 National Center for Research on Earthquake Engineering 0.97ms from Taipei, TW
2001:4500:1102:b401:61:56:14:25 AS18183 National Center for Research on Earthquake Engineering 126.64ms from Los Angeles, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
137.135.86.215 AS8075 Microsoft Corporation 0.39ms from Ashburn, US
103.19.194.87 AS4768 One New Zealand Group Limited 2.35ms from Auckland, NZ
83.134.107.39 AS5432 Proximus NV 2.20ms from Brussels, BE
91.44.70.23 AS3320 Deutsche Telekom AG 6.00ms from Duesseldorf, DE
190.154.57.7 AS14522 SERVICIOS DE TELECOMUNICACIONES SETEL S.A. (XTRIM EC) 9.70ms from Guayaquil, EC
37.22.75.199 AS12389 PJSC Rostelecom 6.85ms from Novosibirsk, RU
54.88.83.103 AS14618 Amazon.com, Inc. 0.23ms from Reston, US
1.243.139.135 AS9318 SK Broadband Co Ltd 2.03ms from Seoul, KR
213.200.171.199 AS1257 Tele2 Sverige AB 5.33ms from Stockholm, SE
15.134.187.247 AS16509 Amazon.com, Inc. 0.17ms from Sydney, AU
153.245.30.135 AS4713 NTT DOCOMO BUSINESS,Inc. 2.30ms from Tokyo, JP
171.6.199.87 AS45758 Triple T Broadband Public Company Limited 2.46ms from Bangkok, TH
120.4.156.183 AS4837 CHINA UNICOM China169 Backbone 5.97ms from Beijing, CN
81.83.133.151 AS6848 Telenet BV 8.06ms from Brussels, BE
23.95.102.183 AS36352 HostPapa 0.14ms from Buffalo, US
65.191.241.71 AS11426 Charter Communications Inc 9.20ms from Charlotte, US
75.162.39.167 AS209 CenturyLink Communications, LLC 9.27ms from Chicago, US
68.92.110.23 AS7018 AT&T Enterprises, LLC 5.23ms from Dallas, US
154.201.133.135 AS132839 POWER LINE DATACENTER 1.10ms from Hong Kong, HK
185.191.179.23 AS48239 Scientific-Production Enterprise Information Technologies Ltd 0.38ms from Kyiv, UA
187.75.209.87 AS27699 TELEFÔNICA BRASIL S.A 1.17ms from Osasco, BR
54.147.135.167 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
54.183.138.103 AS16509 Amazon.com, Inc. 0.15ms from San Jose, US
210.92.91.215 AS3786 LG DACOM Corporation 1.47ms from Seoul, KR
183.177.186.167 AS2519 ARTERIA Networks Corporation 2.35ms from Tokyo, JP

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 61.56.15.82
traceroute to 61.56.15.82 (61.56.15.82): 64 hops max, 52 byte packets
2 [] 27.111.228.63 7.483 ms
3 *
4 *
5 *
6 [AS18183] 202.5.15.1 58.092 ms
7 *
8 *
9 *
10 *
11 [AS18183] 61.56.15.82 62.56 ms
Measurement taken from IPinfo ProbeNet in Sepang, MY
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS18183 at robtex.

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