203.251.135.0/24

AS4766 · Korea Telecom

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	South Korea
Domain	kt.com
ASN	AS4766
Parent Range	203.251.128.0/18
Registry	KRNIC
ID	203.251.135.0-203.251.135.255

WHOIS Details

inetnum:            203.251.135.0 - 203.251.135.255
descr:              Korea Telecom
network-type:       CUSTOMER
address:            90 Buljeongro  Bundang-Gu Seongnam-Si Gyeonggi-Do
zip-code:           13606
created:            2019-12-05
admin:              GENERATED-KRNIC-IP-MANAGER-KORNETIP
country:            KR
source:             KRNIC

nic-hdl:            GENERATED-KRNIC-IP-MANAGER-KORNETIP
person:             IP Manager
name:               IP Manager
phone:              +82-2-500-6631
e-mail:             kornet_ip@kt.com
source:             KRNIC

Overlapping Ranges

BGP prefixes that contain 203.251.135.0/24

Range	ASN	Company	Num of IPs
203.251.128.0/18	AS4766	Korea Telecom	16,384

Nearby Ranges

BGP prefixes that overlap with 203.251.0.0/16

Range	ASN	Company	Num of IPs
203.251.0.0/17	AS4766	Korea Telecom	32,768
203.251.0.0/17	AS152232	Korea Telecom	32,768
203.251.192.0/18	AS9848	SEJONG NETWORKS	16,384
203.251.192.0/18	AS4670	SEJONG NETWORKS	16,384
203.251.128.0/18	AS4766	Korea Telecom	16,384
203.251.192.0/18	AS4664	SEJONG NETWORKS	16,384
203.251.205.0/24	AS4670	SEJONG NETWORKS	256
203.251.112.0/24	AS4766	Busanjangsindaehakgyo	256
203.251.136.0/24	AS4766	Korea Telecom	256
203.251.137.0/24	AS4766	Korea Telecom	256
203.251.7.0/24	AS4766	Hangukcheoldosiseolgongdan	256
203.251.207.0/24	AS7562	Hyundai Department	256
203.251.237.0/24	AS7562	Hyundai Department	256
203.251.246.0/24	AS9848	SEJONG NETWORKS	256
203.251.249.0/24	AS9848	SEJONG NETWORKS	256
203.251.250.0/24	AS9848	SEJONG NETWORKS	256
203.251.210.0/24	AS9980	Hyundai Information Technology Co. Ltd.	256
203.251.251.0/24	AS9980	Hyundai Information Technology Co. Ltd.	256
203.251.77.0/24	AS38124	Korea Telecom	256
203.251.152.0/24	AS45399	Hanjinjeongbotongsin(ju)	256
203.251.154.0/24	AS45399	Hanjinjeongbotongsin(ju)	256
203.251.201.0/24	AS4670	SEJONG NETWORKS	256
203.251.202.0/24	AS4670	SEJONG NETWORKS	256

Hosted domains

There are 6 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.251.135.250	3mstudy.kr	3
203.251.135.11	difsoft.com	2
203.251.135.253	kuvc.co.kr	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

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

IP Address	ASN	Details
203.251.135.61	AS4766 Korea Telecom	`1.00ms` 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
136.60.177.120	AS16591 Google Fiber Inc.	`0.83ms` from Atlanta, US
12.172.117.232	AS27202 City of Bardstown, Kentucky	`18.81ms` from Atlanta, US
37.191.17.248	AS21334 One Hungary Ltd.	`11.30ms` from Budapest, HU
136.51.20.136	AS16591 Google Fiber Inc.	`6.60ms` from Dallas, US
173.173.245.152	AS11427 Charter Communications Inc	`12.97ms` from Houston, US
86.61.41.200	AS5603 Telekom Slovenije, d.d.	`0.90ms` from Ljubljana, SI
72.134.107.200	AS20001 Charter Communications Inc	`3.94ms` from Los Angeles, US
92.22.169.40	AS13285 TalkTalk Communications Limited	`2.95ms` from Manchester, GB
90.79.164.200	AS3215 Orange S.A.	`1.97ms` from Paris, FR
3.218.119.8	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
13.221.45.184	AS14618 Amazon.com, Inc.	`0.60ms` from Reston, US
200.78.210.200	AS6503 Axtel, S.A.B. de C.V.	`12.68ms` from Santiago de Querétaro, MX
211.171.155.56	AS3786 LG DACOM Corporation	`1.30ms` from Seoul, KR
130.242.121.200	AS1653 Vetenskapsradet / SUNET	`0.48ms` from Stockholm, SE
73.117.251.232	AS7922 Comcast Cable Communications, LLC	`12.61ms` from Ashburn, US
20.172.243.248	AS8075 Microsoft Corporation	`0.39ms` from Ashburn, US
46.107.96.104	AS5483 Magyar Telekom Plc.	`2.83ms` from Budapest, HU
84.131.68.200	AS3320 Deutsche Telekom AG	`8.11ms` from Frankfurt am Main, DE
117.67.92.232	AS4134 CHINANET-BACKBONE	`11.80ms` from Huai'an, CN
18.169.52.184	AS16509 Amazon.com, Inc.	`0.68ms` from London, GB
79.79.84.56	AS13285 TalkTalk Communications Limited	`2.58ms` from Manchester, GB
84.7.250.72	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`19.43ms` from Paris, FR
86.244.107.216	AS3215 Orange S.A.	`9.29ms` from Paris, FR
123.128.167.40	AS4837 CHINA UNICOM China169 Backbone	`9.19ms` from Qingdao, CN
36.36.116.200	AS17962 ShenZhen Topway Video Communication Co. Ltd	`4.35ms` from Shenzhen, CN

Traceroute

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

traceroute -a -n -q1 203.251.135.86

traceroute to 203.251.135.86 (203.251.135.86): 64 hops max, 52 byte packets

1 [AS31898] 140.91.214.47 0.076 ms

2 [AS4766] 218.145.32.254 0.804 ms

3 *

4 *

5 *

6 *

7 [AS4766] 210.183.172.86 3.623 ms

8 [AS4766] 203.251.135.86 1.463 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On January 19th 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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales