141.223.0.0/18

AS3784 · Pohang University of Science and Technology

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Summary

Country	South Korea
Domain	postech.edu
ASN	AS3784
Registry	APNIC
ID	POSTECH

WHOIS Details

inetnum:        141.223.0.0 - 141.223.255.255
netname:        POSTECH
descr:          Pohang University of Science and Technology
admin-c:        IM764-AP
tech-c:         IM764-AP
country:        KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2017-01-24T02:27:20Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Jeollanam-do Naju-si Jinheung-gil
e-mail:         irt@nic.or.kr
abuse-mailbox:  irt@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        irt@nic.or.kr was validated on 2020-04-09
mnt-by:         MNT-KRNIC-AP
last-modified:  2021-06-15T06:21:49Z
source:         APNIC

person:         IP Manager
address:        Gyeongsangbuk-do Nam-gu, Pohang-si Cheongam-ro 77
country:        KR
phone:          +82-54-279-2516
e-mail:         hemos@postech.ac.kr
nic-hdl:        IM764-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2017-10-10T00:50:48Z
source:         APNIC

inetnum:        141.223.0.0 - 141.223.255.255
netname:        POSTECH-KR
descr:          Pohang University of Science and Technology
country:        KR
admin-c:        YP164-KR
tech-c:         GK164-KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
remarks:        This information has been partially mirrored by APNIC from
remarks:        KRNIC. To obtain more specific information, please use the
remarks:        KRNIC whois server at whois.kisa.or.kr.
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Gyeongsangbuk-do Nam-gu, Pohang-si Cheongam-ro 77
address:        POSTECH
country:        KR
phone:          +82-54-279-2516
e-mail:         hemos@postech.ac.kr
nic-hdl:        GK164-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Gyeongsangbuk-do Nam-gu, Pohang-si Cheongam-ro 77
address:        POSTECH
country:        KR
phone:          +82-54-279-2516
e-mail:         hemos@postech.ac.kr
nic-hdl:        YP164-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

Nearby Ranges

BGP prefixes that overlap with 141.223.0.0/16

Range	ASN	Company	Num of IPs
141.223.128.0/18	AS3784	Pohang University of Science and Technology	16,384
141.223.192.0/18	AS3784	Pohang University of Science and Technology	16,384
141.223.64.0/18	AS3784	Pohang University of Science and Technology	16,384

Hosted domains

There are 19 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
141.223.5.51	xn--ob0boa6wx4r679bx1b5d.xn--3e0b707e	10
141.223.5.166	postech.ac.kr	7
141.223.5.10	postech.or.kr	1
141.223.5.79	shonlab.org	1

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

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Pingable IPs

1,162 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
141.223.48.191	AS3784 Pohang University of Science and Technology	6.40ms from Seoul, KR
141.223.55.123	AS3784 Pohang University of Science and Technology	6.34ms from Seoul, KR
141.223.2.91	AS3784 Pohang University of Science and Technology	6.91ms from Seoul, KR
141.223.35.130	AS3784 Pohang University of Science and Technology	6.70ms from Seoul, KR
141.223.46.188	AS3784 Pohang University of Science and Technology	6.41ms from Seoul, KR
141.223.59.1	AS3784 Pohang University of Science and Technology	5.98ms from Seoul, KR
141.223.28.13	AS3784 Pohang University of Science and Technology	6.35ms from Seoul, KR
141.223.15.99	AS3784 Pohang University of Science and Technology	7.35ms from Seoul, KR
141.223.63.172	AS3784 Pohang University of Science and Technology	6.71ms from Seoul, KR
141.223.61.67	AS3784 Pohang University of Science and Technology	7.08ms from Seoul, KR
141.223.56.254	AS3784 Pohang University of Science and Technology	6.35ms from Seoul, KR
141.223.12.99	AS3784 Pohang University of Science and Technology	8.21ms from Seoul, KR
141.223.45.102	AS3784 Pohang University of Science and Technology	6.64ms from Seoul, KR
141.223.53.232	AS3784 Pohang University of Science and Technology	6.17ms from Seoul, KR
141.223.49.24	AS3784 Pohang University of Science and Technology	6.30ms from Seoul, KR
141.223.40.21	AS3784 Pohang University of Science and Technology	6.32ms from Seoul, KR
141.223.16.191	AS3784 Pohang University of Science and Technology	5.89ms from Seoul, KR
141.223.43.2	AS3784 Pohang University of Science and Technology	6.30ms from Seoul, KR
141.223.51.254	AS3784 Pohang University of Science and Technology	6.60ms from Seoul, KR
141.223.24.156	AS3784 Pohang University of Science and Technology	5.96ms from Seoul, KR
141.223.47.71	AS3784 Pohang University of Science and Technology	6.07ms from Seoul, KR
141.223.57.95	AS3784 Pohang University of Science and Technology	6.81ms from Seoul, KR
141.223.5.115	AS3784 Pohang University of Science and Technology	6.21ms from Seoul, KR
141.223.54.62	AS3784 Pohang University of Science and Technology	5.98ms from Seoul, KR
141.223.52.154	AS3784 Pohang University of Science and Technology	7.20ms from Seoul, KR

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
185.70.232.130	AS48522 CGl Nederland B.V.	0.72ms from Amsterdam, NL
101.25.57.194	AS4837 CHINA UNICOM China169 Backbone	7.84ms from Beijing, CN
27.11.24.130	AS4837 CHINA UNICOM China169 Backbone	6.64ms from Chongqing, CN
92.106.122.82	AS3303 Swisscom (Switzerland) Ltd	0.70ms from Lausanne, CH
180.44.232.146	AS4713 NTT Communications Corporation	4.13ms from Osaka, JP
92.98.100.2	AS5384 Emirates Internet	2.61ms from Al Fujairah City, AE
200.241.135.66	AS4230 CLARO S.A.	7.70ms from Fortaleza, BR
154.93.179.66	AS134548 DXTL Tseung Kwan O Service	0.73ms from Hong Kong, HK
92.21.85.114	AS13285 TalkTalk Communications Limited	3.70ms from London, GB
31.59.6.146	AS9009 M247 Europe SRL	0.16ms from Manchester, GB
182.60.103.162	AS9829 National Internet Backbone	3.41ms from Mumbai, IN
49.251.73.194	AS9617 JCOM Co., Ltd.	12.70ms from Osaka, JP
192.140.123.2	AS266252 SOLUCAO SERVICOS DE INTERNET TANABI LTDA	7.93ms from Osasco, BR
118.190.72.242	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	0.19ms from Qingdao, CN
37.202.221.162	AS9232 Ntte Global Network (Brand Name)	0.87ms from Seoul, KR
71.65.77.114	AS10796 Charter Communications Inc	15.82ms from Flint, US
63.177.185.162	AS16509 Amazon.com, Inc.	0.25ms from Frankfurt am Main, DE
113.45.107.82	AS55990 Huawei Cloud Service data center	1.29ms from Guangzhou, CN
52.46.86.98	AS16509 Amazon.com, Inc.	0.49ms from Madrid, ES
52.118.13.194	AS36351 IBM Cloud	0.81ms from Dallas, US
119.52.21.50	AS4837 CHINA UNICOM China169 Backbone	17.37ms from Liaoyang, CN
194.249.92.82	AS2107 ARNES	2.67ms from Ljubljana, SI
35.176.137.34	AS16509 Amazon.com, Inc.	0.10ms from London, GB
86.138.29.34	AS2856 British Telecommunications PLC	6.93ms from London, GB
45.40.100.242	AS21769 Colocation America Corporation	0.75ms from Los Angeles, US

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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