220.66.63.0/24

AS23561 · Yongin University

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Summary

Country	South Korea
Domain	kren.kr
ASN	AS23561
Parent Range	220.66.0.0/16
Registry	APNIC
ID	KREN

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
62.235.119.232	AS5432 Proximus NV	5.01ms from Amsterdam, NL
51.138.27.152	AS8075 Microsoft Corporation	0.21ms from Amsterdam, NL
23.207.27.216	AS16625 Akamai Technologies, Inc.	1.09ms from Cape Town, ZA
47.251.118.152	AS45102 Alibaba (US) Technology Co., Ltd.	0.85ms from San Jose, US
118.33.175.72	AS4766 Korea Telecom	1.99ms from Seoul, KR
179.37.166.56	AS22927 Telefonica de Argentina	1.87ms from Buenos Aires, AR
94.196.22.56	AS206067 Hutchison 3G UK Limited	10.33ms from London, GB
173.62.107.56	AS701 Verizon Business	3.46ms from New York City, US
15.168.120.40	AS16509 Amazon.com, Inc.	0.39ms from Osaka, JP
112.157.6.168	AS17858 LG POWERCOMM	1.74ms from Seoul, KR
211.197.101.24	AS4766 Korea Telecom	8.03ms from Seoul, KR
210.118.236.24	AS9848 SEJONG NETWORKS	1.84ms from Seoul, KR
121.236.153.248	AS140292 CHINATELECOM Jiangsu province Suzhou 5G network	6.90ms from Shanghai, CN
122.255.183.168	AS4721 JCOM Co., Ltd.	8.71ms from Tokyo, JP
62.224.162.120	AS3320 Deutsche Telekom AG	5.66ms from Frankfurt am Main, DE
60.141.21.136	AS17676 SoftBank Corp.	4.26ms from Osaka, JP
62.167.66.248	AS6730 Sunrise GmbH	2.83ms from Geneve, CH
182.40.55.216	AS58540 Jinan,250000	5.93ms from Jinan, CN
69.153.16.40	AS7018 AT&T Enterprises, LLC	3.59ms from San Antonio, US
183.255.65.200	AS9808 China Mobile Communications Group Co., Ltd.	19.86ms from Guangzhou, CN
75.245.123.40	AS6167 Verizon Business	17.26ms from Greenwood Village, US
218.204.182.24	AS56040 China Mobile communications corporation	3.48ms from Guangzhou, CN
192.208.164.104	AS14155 Rural Telephone Service Co, Inc.	12.55ms from Kansas City, US
119.49.152.168	AS4837 CHINA UNICOM China169 Backbone	16.23ms from Liaoyang, CN
20.22.167.184	AS8075 Microsoft Corporation	0.39ms from Boydton, US

WHOIS Details

inetnum:        220.66.0.0 - 220.67.255.255
netname:        KREN
descr:          Korean Education Network
admin-c:        IM70-AP
tech-c:         IM70-AP
country:        KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2017-02-02T04:55:47Z
source:         APNIC

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

person:         IP Manager
address:        Seoul Gwanak-gu Gwanak-ro
country:        KR
phone:          +82-2-882-5363
e-mail:         [email protected]
nic-hdl:        IM70-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2024-07-09T23:56:03Z
source:         APNIC

inetnum:        220.66.0.0 - 220.67.255.255
netname:        KREN-KR
descr:          Korean Education Network
country:        KR
admin-c:        IA142-KR
tech-c:         IM142-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:        [email protected]
source:         KRNIC

person:         IP Manager
address:        Seoul Gwanak-gu Gwanak-ro
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         [email protected]
nic-hdl:        IA142-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected]
source:         KRNIC

person:         IP Manager
address:        Seoul Gwanak-gu Gwanak-ro
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         [email protected]
nic-hdl:        IM142-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected]
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 220.66.63.0/24

Range	ASN	Company	Num of IPs
220.66.0.0/16	AS3786	Korean Education Network	65,536

Nearby Ranges

BGP prefixes that overlap with 220.66.0.0/16

Range	ASN	Company	Num of IPs
220.66.0.0/16	AS3786	Korean Education Network	65,536
220.66.176.0/22	AS9777	Korean Education Network	1,024
220.66.172.0/22	AS9777	Korean Education Network	1,024
220.66.112.0/22	AS23975	Korean Education Network	1,024
220.66.196.0/22	AS4766	Korean Education Network	1,024
220.66.204.0/22	AS18343	Korean Education Network	1,024
220.66.236.0/22	AS3786	Korean Education Network	1,024
220.66.144.0/22	AS10045	Korean Education Network	1,024
220.66.148.0/23	AS10045	Korean Education Network	512
220.66.228.0/23	AS4766	Korean Education Network	512
220.66.202.0/23	AS18343	Korean Education Network	512
220.66.208.0/23	AS18343	Korean Education Network	512
220.66.226.0/23	AS4766	Korean Education Network	512
220.66.102.0/23	AS3786	Korean Education Network	512
220.66.58.0/23	AS10071	Korean Education Network	512
220.66.22.0/23	AS38697	Korean Education Network	512
220.66.240.0/23	AS3786	Korean Education Network	512
220.66.74.0/23	AS55624	Korean Education Network	512
220.66.61.0/24	AS23561	Korean Education Network	256
220.66.141.0/24	AS4766	Korean Education Network	256
220.66.76.0/24	AS55624	Korean Education Network	256
220.66.135.0/24	AS9867	Korean Education Network	256
220.66.211.0/24	AS4766	Korean Education Network	256
220.66.64.0/24	AS23561	Korean Education Network	256
220.66.28.0/24	AS9318	Korean Education Network	256
220.66.111.0/24	AS23975	Korean Education Network	256
220.66.134.0/24	AS9867	Korean Education Network	256
220.66.136.0/24	AS9867	Korean Education Network	256
220.66.73.0/24	AS55624	Korean Education Network	256
220.66.95.0/24	AS4766	Korean Education Network	256
220.66.171.0/24	AS9777	Korean Education Network	256
220.66.249.0/24	AS4766	Korean Education Network	256
220.66.67.0/24	AS23561	Korean Education Network	256
220.66.132.0/24	AS9867	Korean Education Network	256
220.66.65.0/24	AS23561	Korean Education Network	256
220.66.210.0/24	AS18343	Korean Education Network	256
220.66.39.0/24	AS4766	Korean Education Network	256
220.66.87.0/24	AS10071	Korean Education Network	256
220.66.10.0/24	AS17599	Korean Education Network	256
220.66.92.0/24	AS4766	Korean Education Network	256
220.66.181.0/24	AS18315	Korean Education Network	256
220.66.97.0/24	AS18035	Korean Education Network	256
220.66.201.0/24	AS18343	Korean Education Network	256
220.66.140.0/24	AS4766	Korean Education Network	256
220.66.57.0/24	AS10071	Korean Education Network	256
220.66.253.0/24	AS9318	Korean Education Network	256
220.66.94.0/24	AS4766	Korean Education Network	256
220.66.90.0/24	AS45397	Korean Education Network	256
220.66.9.0/24	AS17599	Korean Education Network	256
220.66.40.0/24	AS4766	Korean Education Network	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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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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