210.102.212.0/24

AS55618 · UNIVERSITY OF ULSAN

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Summary

Country	South Korea
Domain	kren.kr
ASN	AS55618
Registry	APNIC
ID	KREN

WHOIS Details

inetnum:        210.102.128.0 - 210.102.255.255
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:  2017-02-02T04:55:38Z
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:        210.102.128.0 - 210.102.255.255
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

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

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
109.128.192.24	AS5432 Proximus NV	`4.95ms` from Amsterdam, NL
73.86.44.200	AS7922 Comcast Cable Communications, LLC	`4.76ms` from Ashburn, US
52.159.112.200	AS8075 Microsoft Corporation	`0.29ms` from Chicago, US
207.74.199.8	AS237 Merit Network Inc.	`3.51ms` from Detroit, US
52.16.197.88	AS16509 Amazon.com, Inc.	`0.16ms` from Dublin, IE
129.204.94.56	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.76ms` from Guangzhou, CN
46.33.155.24	AS51561 ICUK Computing Services Limited	`0.28ms` from London, GB
95.16.118.24	AS12479 Orange Espagne SA	`10.08ms` from Madrid, ES
13.66.254.120	AS8075 Microsoft Corporation	`0.26ms` from Quincy, US
181.43.0.184	AS27651 ENTEL CHILE S.A.	`1.16ms` from Santiago, CL
79.121.134.104	AS212238 Datacamp Limited	`0.35ms` from Seattle, US
118.47.10.88	AS4766 Korea Telecom	`6.20ms` from Seoul, KR
183.115.27.248	AS4766 Korea Telecom	`2.74ms` from Seoul, KR
59.15.60.184	AS4766 Korea Telecom	`1.39ms` from Seoul, KR
178.128.122.40	AS14061 DigitalOcean, LLC	`0.18ms` from Singapore, SG
124.238.242.24	AS58539 Langfang,Hebei province, P.R.China	`2.62ms` from Tianjin, CN
202.217.138.56	AS4725 SoftBank Corp.	`15.85ms` from Tokyo, JP
218.249.167.24	AS4808 China Unicom Beijing Province Network	`3.46ms` from Beijing, CN
154.177.246.216	AS8452 TE-AS	`2.58ms` from Cairo, EG
13.245.55.120	AS16509 Amazon.com, Inc.	`0.09ms` from Cape Town, ZA
24.243.62.24	AS11427 Charter Communications Inc	`6.42ms` from Dallas, US
94.142.116.216	AS12956 TELXIUS Cable	`0.39ms` from Dallas, US
47.38.253.40	AS20115 Charter Communications LLC	`5.74ms` from Dallas, US
18.198.227.200	AS16509 Amazon.com, Inc.	`0.16ms` from Frankfurt am Main, DE
125.113.221.184	AS4134 CHINANET-BACKBONE	`9.23ms` from Hangzhou, CN

Traceroute

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

traceroute -a -n -q1 -f2 -m6 210.102.212.29

traceroute to 210.102.212.29 (210.102.212.29): 6 hops max, 52 byte packets

2 [AS8280] 78.108.47.13 0.386 ms

3 [AS8280] 78.108.32.213 0.719 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Athens, GR

On August 28th 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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