121.135.53.0/24

AS38697 · Hankyong National Univercity

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Summary

Country	South Korea
Domain	kt.com
ASN	AS38697
Parent Range	121.128.0.0/11
Registry	KRNIC
ID	121.135.53.0-121.135.53.255

WHOIS Details

inetnum:            121.135.53.0 - 121.135.53.255
descr:              Hangyeongdaehakgyo
network-type:       CUSTOMER
address:            Seokjeong-Dong Anseong-Si Gyeonggi-Do
zip-code:           456-240
created:            2015-03-17
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 121.135.53.0/24

Range	ASN	Company	Num of IPs
121.128.0.0/11	AS17588	Korea Telecom	2,097,152
121.128.0.0/11	AS18333	Korea Telecom	2,097,152
121.128.0.0/11	AS38122	Korea Telecom	2,097,152
121.128.0.0/11	AS4766	Korea Telecom	2,097,152
121.128.0.0/11	AS9647	Korea Telecom	2,097,152
121.128.0.0/11	AS9856	Korea Telecom	2,097,152

Nearby Ranges

BGP prefixes that overlap with 121.135.0.0/16

Range	ASN	Company	Num of IPs
121.128.0.0/11	AS17588	Korea Telecom	2,097,152
121.128.0.0/11	AS18333	Korea Telecom	2,097,152
121.128.0.0/11	AS38122	Korea Telecom	2,097,152
121.128.0.0/11	AS4766	Korea Telecom	2,097,152
121.128.0.0/11	AS9647	Korea Telecom	2,097,152
121.128.0.0/11	AS9856	Korea Telecom	2,097,152
121.135.56.0/24	AS38697	Hangyeongdaehakgyo	256
121.135.147.0/24	AS46002	(ju)pyeonghwaijeu	256
121.135.148.0/24	AS46002	(ju)pyeonghwaijeu	256
121.135.246.0/24	AS9696	Korea Telecom	256
121.135.54.0/24	AS38697	Hangyeongdaehakgyo	256
121.135.55.0/24	AS38697	Hangyeongdaehakgyo	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
121.135.53.23	AS38697 Hankyong National Univercity	`2.27ms` from Incheon, 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
71.77.21.104	AS11426 Charter Communications Inc	`10.70ms` from Ashburn, US
75.208.161.184	AS6167 Verizon Business	`16.36ms` from Atlanta, US
221.236.11.40	AS38283 CHINANET SiChuan Telecom Internet Data Center	`1.57ms` from Chengdu, CN
66.116.61.40	AS5742 Fidium	`5.99ms` from Chicago, US
35.159.200.104	AS16509 Amazon.com, Inc.	`0.38ms` from Frankfurt am Main, DE
195.60.175.8	AS34814 Osnova-Internet LLC	`2.74ms` from Kyiv, UA
174.94.109.216	AS577 Bell Canada	`1.98ms` from Montreal, CA
3.108.174.8	AS16509 Amazon.com, Inc.	`0.11ms` from Mumbai, IN
188.52.115.168	AS25019 Saudi Telecom Company JSC	`2.40ms` from Riyadh, SA
61.231.19.232	AS3462 Data Communication Business Group	`1.01ms` from Taipei, TW
178.88.204.248	AS9198 JSC Kazakhtelecom	`2.11ms` from Almaty, KZ
142.215.35.216	AS15830 Equinix (EMEA) Acquisition Enterprises B.V.	`0.29ms` from Ashburn, US
52.42.24.200	AS16509 Amazon.com, Inc.	`0.15ms` from Boardman, US
5.15.19.104	AS8708 DIGI ROMANIA S.A.	`6.86ms` from Bucharest, RO
35.223.222.168	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
103.127.30.88	AS134926 Micro Hosting Private Limited	`2.76ms` from Delhi, IN
188.185.91.24	AS513 CERN - European Organization for Nuclear Research	`1.10ms` from Geneve, CH
176.71.3.248	AS1257 Tele2 Sverige AB	`0.47ms` from Goeteborg, SE
199.21.202.136	AS46309 ValorC3 Data Centers	`4.12ms` from Las Vegas, US
13.127.67.56	AS16509 Amazon.com, Inc.	`0.16ms` from Mumbai, IN
23.44.134.232	AS20940 Akamai International B.V.	`0.89ms` from New York City, US
90.79.223.216	AS3215 Orange S.A.	`1.35ms` from Paris, FR
80.234.83.136	AS12389 PJSC Rostelecom	`0.22ms` from Samara, RU
27.235.188.168	AS4766 Korea Telecom	`1.64ms` from Seoul, KR
83.252.0.88	AS1257 Tele2 Sverige AB	`4.19ms` from Stockholm, SE

Traceroute

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

traceroute -a -n -q1 121.135.53.194

traceroute to 121.135.53.194 (121.135.53.194): 64 hops max, 52 byte packets

1 [AS31898] 140.91.214.43 0.1 ms

2 *

3 *

4 *

5 [AS4766] 112.174.15.58 2.159 ms

6 *

7 *

8 [AS4766] 59.13.175.186 3.609 ms

9 [AS4766] 121.135.57.60 2.897 ms

10 *

11 [AS38697] 121.135.53.194 2.834 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.

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