203.145.200.0/21

AS7539 · National Center for High-performance Computing

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Summary

Country	Taiwan
Domain	narl.org.tw
ASN	AS7539
Registry	TWNIC
ID	NIU-TW

WHOIS Details

inetnum:        203.145.204.0 - 203.145.207.255
netname:        NIU-TW
descr:          National Applied Research Laboratories
descr:          3F, No. 106, Ho-Ping E. Road, Sec. 2 Taipei 106, Taiwan , ROC
descr:          Taipei Taiwan
country:        TW
admin-c:        KT51-TW
tech-c:         KT51-TW
mnt-by:         MAINT-TW-TWNIC
changed:        noc@twaren.net 20060306
status:         ASSIGNED NON-PORTABLE
remarks:        This information has been partially mirrored by APNIC from
remarks:        TWNIC. To obtain more specific information, please use the
remarks:        TWNIC whois server at whois.twnic.net.
source:         TWNIC

Nearby Ranges

BGP prefixes that overlap with 203.145.0.0/16

Range	ASN	Company	Num of IPs
203.145.128.0/18	AS9498	Bharti British Telecom Internet Limited	16,384
203.145.128.0/18	AS24560	Bharti British Telecom Internet Limited	16,384
203.145.224.0/19	AS4694	IDC Frontier Inc.	8,192
203.145.96.0/20	AS7511	SYNAPSE Co.,Ltd.	4,096
203.145.80.0/20	AS17794	Hutchison Telecommunication (HK) Limited	4,096
203.145.80.0/20	AS10118	Hutchison Telecommunication (HK) Limited	4,096
203.145.112.0/21	AS45223	World Internetwork Corporation Co., Ltd	2,048
203.145.192.0/21	AS18426	National Applied Research Laboratories	2,048
203.145.120.0/21	AS17948	EditNet, Inc.	2,048
203.145.50.0/23	AS141987	NEXION TECHNOLOGIES (M) SDN. BHD.	512
203.145.56.0/23	AS134375	PARAMETRIQUE ELECTRONIC SOLUTIONS PRIVATE LIMITED	512
203.145.58.0/23	AS142375	PT HSN Global Network	512
203.145.62.0/23	AS46023	PT Quantum Tera Fiber	512
203.145.40.0/23	AS150407	CONINET COMMUNICATION SERVICE CO LIMITED	512
203.145.46.0/23	AS150862	CLOUD DATA TECHNOLOGY AND COMMUNICATION COMPANY LIMITED	512
203.145.42.0/23	AS151691	AMITEL INDIA PRIVATE LIMITED	512
203.145.34.0/23	AS136052	PT Tekstil Original Indonesia	512
203.145.44.0/23	AS140815	DANH TUAN TECHNOLOGY COMPANY LIMITED	512
203.145.32.0/23	AS141438	Bangladesh SEZ Ltd.	512
203.145.177.0/24	AS9498	Customer's STATIC NAT Pool (BIT Services)	256
203.145.39.0/24	AS141507	National Institute Of Mental Health And Neurosciences	256
203.145.38.0/24	AS152115	RSINet	256
203.145.152.0/24	AS24560	BTNL-Dialup-KK	256
203.145.153.0/24	AS24560	BTNL-Dialup-KK	256
203.145.165.0/24	AS24560	Bharti Airtel Ltd.,224, Okhla industrial Area Phase III New Delhi	256
203.145.168.0/24	AS24560	Bharti Airtel Ltd.,224, Okhla industrial Area Phase III New Delhi	256
203.145.171.0/24	AS24560	Bharti Airtel Ltd.,224, Okhla industrial Area Phase III New Delhi	256
203.145.131.0/24	AS9498	Bharti Cellular Ltd	256
203.145.145.0/24	AS9498	Tata Consultancy Services - Mumbai	256
203.145.152.0/24	AS9498	BTNL-Dialup-KK	256
203.145.161.0/24	AS9498	used for Network Infrastructure( Infovista)	256
203.145.163.0/24	AS9498	Customer's STATIC NAT Pool (BIT Services)	256
203.145.173.0/24	AS9498	Adea Solutions Ltd., (Netkraft)	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
203.145.206.235	AS7539 National Center for High-performance Computing	`3.15ms` from Taipei, TW
203.145.201.155	AS7539 National Center for High-performance Computing	`2.75ms` from Taichung, TW
203.145.200.53	AS7539 National Center for High-performance Computing	`2.07ms` from Taipei, TW
203.145.205.19	AS7539 National Center for High-performance Computing	`3.24ms` from Taipei, TW
203.145.202.93	AS7539 National Center for High-performance Computing	`3.23ms` from Taipei, TW
203.145.203.144	AS7539 National Center for High-performance Computing	`3.08ms` from Taipei, TW
203.145.204.254	AS7539 National Center for High-performance Computing	`6.25ms` from Taipei, TW
203.145.207.46	AS7539 National Center for High-performance Computing	`3.25ms` from Taipei, TW

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
52.188.49.245	AS8075 Microsoft Corporation	`0.55ms` from Ashburn, US
103.52.108.21	AS58955 Bangmod Enterprise Co., Ltd.	`0.81ms` from Bangkok, TH
61.91.57.245	AS7470 TRUE INTERNET Co.,Ltd.	`1.45ms` from Bangkok, TH
94.225.19.21	AS6848 Telenet BV	`4.48ms` from Brussels, BE
118.253.143.85	AS63835 CT-HuNan-Changsha-IDC	`0.85ms` from Changsha, CN
103.220.29.197	AS133647 ELXIRE DATA SERVICES PVT. LTD.	`1.18ms` from Delhi, IN
50.238.118.213	AS7922 Comcast Cable Communications, LLC	`1.55ms` from Denver, US
68.58.222.181	AS7922 Comcast Cable Communications, LLC	`6.53ms` from Detroit, US
210.79.180.5	AS152149 Ahamed IT	`4.38ms` from Dhaka, BD
194.182.161.117	AS61098 Akenes SA	`0.12ms` from Geneve, CH
39.35.131.69	AS17557 Pakistan Telecommunication Company Limited	`10.97ms` from Lahore, PK
38.162.147.117	AS40545 Empire Access	`15.87ms` from New York City, US
97.238.161.53	AS6167 Verizon Business	`19.03ms` from New York City, US
81.254.109.245	AS3215 Orange S.A.	`12.88ms` from Paris, FR
44.198.98.69	AS14618 Amazon.com, Inc.	`0.17ms` from Reston, US
89.193.227.5	AS8011 MongoDB, Inc.	`0.15ms` from Reston, US
31.195.178.5	AS3269 Telecom Italia S.p.A.	`3.92ms` from Rome, IT
104.1.89.5	AS7018 AT&T Enterprises, LLC	`3.46ms` from San Jose, US
177.64.28.85	AS28573 Claro NXT Telecomunicacoes Ltda	`4.29ms` from Sao Paulo, BR
51.16.203.229	AS16509 Amazon.com, Inc.	`1.30ms` from Tel Aviv, IL
219.89.61.165	AS4771 Spark New Zealand Trading Ltd.	`9.78ms` from Auckland, NZ
54.189.245.101	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
88.87.242.197	AS21334 One Hungary Ltd.	`6.17ms` from Budapest, HU
196.217.246.165	AS6713 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`4.94ms` from Casablanca, MA
76.232.218.213	AS7018 AT&T Enterprises, LLC	`14.48ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f4 203.145.201.254

traceroute to 203.145.201.254 (203.145.201.254): 64 hops max, 52 byte packets

4 [] 220.128.17.193 1.406 ms

5 [AS3462] 211.72.83.213 2.786 ms

6 [AS7539] 211.73.76.169 1.791 ms

7 [AS7539] 203.145.201.254 3.554 ms

Measurement taken from

IPinfo ProbeNet in Taichung, TW

On November 6th 2025

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