175.121.144.0/22

AS9318 · SK Broadband Co Ltd

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Summary

Country	South Korea
Domain	skbroadband.com
ASN	AS9318
Parent Range	175.112.0.0/12
Registry	KRNIC
ID	175.121.144.0-175.121.144.255

WHOIS Details

inetnum:            175.121.144.0 - 175.121.144.255
descr:              SK Broadband Co Ltd
network-type:       CUSTOMER
address:            Seoul Jung-gu Toegye-ro
zip-code:           04637
created:            2010-05-12
admin:              GENERATED-KRNIC-IP-MANAGER-IPADM
country:            KR
source:             KRNIC

nic-hdl:            GENERATED-KRNIC-IP-MANAGER-IPADM
person:             IP Manager
name:               IP Manager
phone:              +82-80-828-2106
e-mail:             [email protected]
source:             KRNIC

Overlapping Ranges

BGP prefixes that contain 175.121.144.0/22

Range	ASN	Company	Num of IPs
175.112.0.0/12	AS9318	SK Broadband Co Ltd	1,048,576

Nearby Ranges

BGP prefixes that overlap with 175.121.0.0/16

Range	ASN	Company	Num of IPs
175.112.0.0/12	AS9318	SK Broadband Co Ltd	1,048,576
175.121.148.0/24	AS38398	Uijeongbu Office of Education Gyeonggi-do Korea	256
175.121.151.0/24	AS38409	YangjuEducation SupportGyeonggi Provincedongducheon	256
175.121.149.0/24	AS38410	Pocheon Gyeonggi ProvinceOffice Of Education	256
175.121.41.0/24	AS45988	SK Broadband Co Ltd	256

Hosted domains

There are 5 domain names hosted across 5 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
175.121.144.3	4dxitsolution.com	1
175.121.144.10	4dplexnoc.com	1
175.121.144.11	4dxitmanager.com	1
175.121.144.2	4dxvpn.com	1
175.121.144.6	4dxlink.com	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

Read more

Pingable IPs

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

IP Address	ASN	Details
175.121.145.201	AS9318 SK Broadband Co Ltd	`5.58ms` from Incheon, KR
175.121.146.121	AS9318 SK Broadband Co Ltd	`1.48ms` from Incheon, KR
175.121.147.210	AS9318 SK Broadband Co Ltd	`1.93ms` from Incheon, KR
175.121.144.162	AS9318 SK Broadband Co Ltd	`1.59ms` 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
77.175.176.54	AS1136 KPN B.V.	`2.71ms` from Amsterdam, NL
174.76.246.246	AS22773 Cox Communications Inc.	`0.32ms` from Atlanta, US
69.167.223.38	AS53435 JACKSON ENERGY AUTHORITY	`10.30ms` from Atlanta, US
99.185.121.22	AS7018 AT&T Enterprises, LLC	`7.14ms` from Atlanta, US
157.181.18.6	AS2012 ELTENET	`0.49ms` from Budapest, HU
109.56.246.6	AS44034 Hi3G Access AB	`6.82ms` from Copenhagen, DK
193.181.214.54	AS44803 Webdock.io ApS	`0.21ms` from Copenhagen, DK
72.182.204.214	AS11427 Charter Communications Inc	`4.53ms` from Dallas, US
132.248.133.54	AS278 Universidad Nacional Autonoma de Mexico	`1.14ms` from Mexico City, MX
35.138.168.6	AS33363 Charter Communications, Inc	`8.72ms` from Orlando, US
67.17.202.246	AS52468 UFINET PANAMA S.A.	`0.70ms` from Panama, PA
52.200.105.230	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
213.170.122.182	AS12418 Quantum CJSC	`11.31ms` from Saint Petersburg, RU
220.112.46.214	AS17623 China Unicom Shenzen network	`1.97ms` from Shenzhen, CN
217.142.185.198	AS31898 Oracle Corporation	`0.16ms` from Singapore, SG
202.100.188.182	AS4134 CHINANET-BACKBONE	`1.22ms` from UEruemqi, CN
71.140.203.198	AS7018 AT&T Enterprises, LLC	`6.77ms` from Atlanta, US
129.64.95.54	AS10561 Brandeis University	`0.99ms` from Boston, US
153.80.127.102	AS44559 IT HOSTLINE LTD	`0.13ms` from Bucharest, RO
209.79.172.22	AS7018 AT&T Enterprises, LLC	`6.49ms` from Chicago, US
34.10.34.134	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
70.124.187.86	AS11427 Charter Communications Inc	`6.53ms` from Dallas, US
68.88.84.182	AS7018 AT&T Enterprises, LLC	`2.61ms` from Dallas, US
20.67.173.22	AS8075 Microsoft Corporation	`0.16ms` from Dublin, IE
189.187.197.54	AS8151 UNINET	`5.64ms` from Guadalajara, MX

Traceroute

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

traceroute -a -n -q1 -f5 175.121.146.221

traceroute to 175.121.146.221 (175.121.146.221): 64 hops max, 52 byte packets

5 [AS4637] 202.84.149.98 1.254 ms

6 *

7 *

8 *

9 *

10 [AS9318] 175.121.146.221 2.27 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On January 30th 2026

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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