121.53.80.0/21

AS7625 · Kakao Corp

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Summary

Country	South Korea
Domain	dreamline.co.kr
ASN	AS7625
Parent Range	121.53.0.0/16
Registry	APNIC
ID	DREAMX

WHOIS Details

inetnum:        121.53.0.0 - 121.53.255.255
netname:        DREAMX
descr:          DREAMLINE CO.
admin-c:        IM683-AP
tech-c:         IM683-AP
country:        KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2017-02-02T06:40:58Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
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:  2025-04-10T04:49:23Z
source:         APNIC

person:         IP Manager
address:        Seoul Guro-gu Digital-ro 31-gil 61
country:        KR
phone:          +82-2-6007-6215
e-mail:         ip@dreamline.co.kr
nic-hdl:        IM683-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2025-06-02T00:22:02Z
source:         APNIC

inetnum:        121.53.0.0 - 121.53.255.255
netname:        DREAMX-KR
descr:          DREAMLINE CO.
country:        KR
admin-c:        IA70-KR
tech-c:         IA70-KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
changed:        hostmaster@nic.or.kr 20240912
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.
source:         KRNIC

person:         IP Manager
address:        Seoul Guro-gu Digital-ro 31-gil 61
address:        8F DREAMMARK1 Data Center
country:        KR
phone:          +82-2-6007-6215
e-mail:         ip@dreamline.co.kr
nic-hdl:        IA70-KR
mnt-by:         MNT-KRNIC-AP
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.
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 121.53.80.0/21

Range	ASN	Company	Num of IPs
121.53.0.0/16	AS17878	DREAMLINE CO.	65,536
121.53.0.0/16	AS18160	DREAMLINE CO.	65,536
121.53.0.0/16	AS38099	DREAMLINE CO.	65,536
121.53.0.0/16	AS38678	DREAMLINE CO.	65,536
121.53.0.0/16	AS45991	DREAMLINE CO.	65,536
121.53.0.0/16	AS7625	DREAMLINE CO.	65,536
121.53.0.0/16	AS9457	DREAMLINE CO.	65,536
121.53.0.0/16	AS9845	DREAMLINE CO.	65,536

Hosted domains

There are 4 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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

IP Address	ASN	Details
121.53.85.10	AS7625 Kakao Corp	`0.54ms` from Seoul, KR
121.53.87.44	AS7625 Kakao Corp	`0.97ms` 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
195.227.90.213	AS8469 CANCOM Managed Services GmbH	`8.83ms` from Amsterdam, NL
82.208.132.53	AS12302 Vodafone Romania S.A.	`2.64ms` from Bucharest, RO
128.146.98.53	AS159 Ohio State University	`8.00ms` from Chicago, US
3.134.248.85	AS16509 Amazon.com, Inc.	`7.78ms` from Chicago, US
171.249.174.101	AS7552 Viettel Group	`2.88ms` from Ho Chi Minh City, VN
81.8.32.69	AS15924 Vodafone Net Iletisim Hizmetler AS	`3.94ms` from Istanbul, TR
185.189.61.165	AS201127 Fastfone s.r.l.	`1.88ms` from Milan, IT
79.47.26.133	AS3269 Telecom Italia S.p.A.	`9.48ms` from Milan, IT
74.64.112.85	AS12271 Charter Communications Inc	`3.53ms` from New York City, US
125.201.165.69	AS4713 NTT Communications Corporation	`13.42ms` from Osaka, JP
45.177.243.245	AS269050 JOAO ROGERIO LEONARDO EIRELIME	`9.37ms` from Sao Paulo, BR
200.216.187.197	AS7738 V tal	`8.86ms` from Sao Paulo, BR
222.239.203.21	AS9318 SK Broadband Co Ltd	`7.30ms` from Seoul, KR
83.17.93.197	AS5617 Orange Polska Spolka Akcyjna	`1.58ms` from Warsaw, PL
20.36.130.149	AS8075 Microsoft Corporation	`0.44ms` from Boydton, US
177.1.212.5	AS8167 V tal	`0.67ms` from Brasilia, BR
218.77.30.5	AS4134 CHINANET-BACKBONE	`7.75ms` from Changsha, CN
59.46.182.53	AS134762 CHINANET Liaoning province Dalian MAN network	`1.05ms` from Dalian, CN
34.250.69.37	AS16509 Amazon.com, Inc.	`0.15ms` from Dublin, IE
94.249.157.85	AS12586 GHOSTnet GmbH	`0.46ms` from Frankfurt am Main, DE
193.233.134.165	AS213887 WAIcore Ltd	`0.23ms` from Frankfurt am Main, DE
203.8.109.5	AS45466 CPA GLOBAL SUPPORT SERVICES INDIA PVT LTD.	`1.33ms` from Hyderabad, IN
103.150.208.149	AS136969 KK Networks (Pvt) Ltd.	`16.33ms` from Karachi, PK
100.43.224.53	AS14265 TPx Communications	`0.65ms` from Los Angeles, US
66.29.157.53	AS22612 Namecheap, Inc.	`9.77ms` from Los Angeles, US

Traceroute

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

traceroute -a -n -q1 -m5 121.53.83.42

traceroute to 121.53.83.42 (121.53.83.42): 5 hops max, 52 byte packets

1 [AS15169] 142.251.241.125 72.873 ms

2 [AS15169] 108.170.248.184 72.922 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Singapore, SG

On September 4th 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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