220.149.57.0/24

AS38668 · Konkuk University Hospital

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Summary

Country	South Korea
Domain	kren.kr
ASN	AS38668
Registry	APNIC
ID	KREN

WHOIS Details

inetnum:        220.149.0.0 - 220.149.255.255
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:  2017-02-02T04:55:48Z
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:        Seoul Gwanak-gu Gwanak-ro
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IM70-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2024-07-09T23:56:03Z
source:         APNIC

inetnum:        220.149.0.0 - 220.149.255.255
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:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Seoul Gwanak-gu Gwanak-ro
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IA142-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Seoul Gwanak-gu Gwanak-ro
address:        1
country:        KR
phone:          +82-2-882-5363
e-mail:         kindman@kren.kr
nic-hdl:        IM142-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
220.149.57.1	AS38668 Konkuk University Hospital	`1.41ms` 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
93.119.105.248	AS62390 NexonHost Srl	`0.35ms` from Amsterdam, NL
20.56.10.104	AS8075 Microsoft Corporation	`0.29ms` from Amsterdam, NL
77.13.36.184	AS6805 Telefonica Germany GmbH & Co.OHG	`3.79ms` from Berlin, DE
190.253.138.24	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`2.32ms` from Bogota, CO
97.135.76.232	AS6167 Verizon Business	`17.20ms` from Chicago, US
34.57.180.24	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
1.59.90.120	AS4837 CHINA UNICOM China169 Backbone	`19.89ms` from Dalian, CN
101.69.141.104	AS4837 CHINA UNICOM China169 Backbone	`9.58ms` from Hangzhou, CN
88.231.51.120	AS9121 Turk Telekomunikasyon Anonim Sirketi	`10.87ms` from Istanbul, TR
31.28.227.184	AS35816 Lancom Ltd.	`9.92ms` from Krasnodar, RU
73.57.135.120	AS7922 Comcast Cable Communications, LLC	`3.78ms` from Miami, US
115.37.9.24	AS18126 Chubu Telecommunications Company, Inc.	`5.12ms` from Osaka, JP
123.48.209.200	AS18126 Chubu Telecommunications Company, Inc.	`6.48ms` from Osaka, JP
85.165.235.40	AS2119 Telenor Norge AS	`2.71ms` from Oslo, NO
35.82.236.72	AS16509 Amazon.com, Inc.	`4.55ms` from Portland, US
54.245.3.248	AS16509 Amazon.com, Inc.	`4.53ms` from Portland, US
123.132.190.40	AS4837 CHINA UNICOM China169 Backbone	`7.66ms` from Qingdao, CN
112.242.113.168	AS4837 CHINA UNICOM China169 Backbone	`8.70ms` from Qingdao, CN
13.56.168.168	AS16509 Amazon.com, Inc.	`1.23ms` from San Jose, US
76.114.29.56	AS7922 Comcast Cable Communications, LLC	`10.97ms` from San Jose, US
189.245.26.200	AS8151 UNINET	`4.38ms` from Santiago de Queretaro, MX
189.153.102.56	AS8151 UNINET	`10.25ms` from Santiago de Queretaro, MX
61.108.113.8	AS9316 DACOM-PUBNETPLUS	`2.36ms` from Seoul, KR
36.89.56.184	AS7713 PT Telekomunikasi Indonesia	`0.53ms` from Surabaya, ID
124.239.152.200	AS4134 CHINANET-BACKBONE	`4.34ms` from Taiyuan, CN

Traceroute

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

traceroute -a -n -q1 220.149.57.1

traceroute to 220.149.57.1 (220.149.57.1): 64 hops max, 52 byte packets

1 [AS199524] 92.223.73.3 0.126 ms

2 *

3 *

4 [AS9286] 121.78.68.49 14.546 ms

5 *

6 *

7 *

8 [AS4766] 112.174.57.118 2.045 ms

9 *

10 *

11 [AS38668] 220.149.57.1 1.8 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On September 5th 2025

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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