121.128.224.0/24

AS38122 · Seoul Guarantee Insurance Company

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Summary

Country	South Korea
Domain	kt.com
ASN	AS38122
Parent Range	121.128.0.0/11
Registry	APNIC
ID	KORNET

WHOIS Details

inetnum:        121.128.0.0 - 121.159.255.255
netname:        KORNET
descr:          Korea Telecom
admin-c:        IM667-AP
tech-c:         IM667-AP
country:        KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
changed:        hostmaster@nic.or.kr 20170203
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Seoul Songpa-gu Jungdae-ro 135
e-mail:         hostmaster@nic.or.kr
abuse-mailbox:  hostmaster@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20150513
source:         APNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IM667-AP
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr 20170328
source:         APNIC

inetnum:        121.128.0.0 - 121.159.255.255
netname:        KORNET-KR
descr:          Korea Telecom
country:        KR
admin-c:        IA9-KR
tech-c:         IM9-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.krnic.net.
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IA9-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        
country:        KR
phone:          +82-2-500-6630
e-mail:         kornet_ip@kt.com
nic-hdl:        IM9-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 121.128.224.0/24

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 121.128.0.0/16

Range	ASN	Company	Num of IPs
121.128.0.0/11	AS9856	Korea Telecom	2,097,152
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
121.128.219.0/24	AS9647	Korea Telecom	256
121.128.97.0/24	AS152214	Korea Telecom	256

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

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

IP Address	ASN	Details
121.128.224.131	AS38122 Seoul Guarantee Insurance Company	`2.46ms` 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
34.68.67.168	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
93.130.227.232	AS6805 Telefonica Germany GmbH & Co.OHG	`2.58ms` from Frankfurt am Main, DE
115.136.181.40	AS17858 LG POWERCOMM	`2.00ms` from Incheon, KR
175.120.164.8	AS9318 SK Broadband Co Ltd	`3.49ms` from Incheon, KR
37.120.186.184	AS197540 netcup GmbH	`0.35ms` from Nuernberg, DE
79.12.166.120	AS3269 Telecom Italia S.p.A.	`8.97ms` from Palermo, IT
80.14.55.248	AS3215 Orange S.A.	`1.79ms` from Paris, FR
73.157.129.168	AS7922 Comcast Cable Communications, LLC	`5.43ms` from Portland, US
221.181.87.88	AS24400 Shanghai Mobile Communications Co.,Ltd.	`3.95ms` from Shanghai, CN
177.174.111.200	AS26599 TELEFÔNICA BRASIL S.A	`7.65ms` from São Paulo, BR
153.192.164.168	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.85ms` from Tokyo, JP
185.104.71.232	AS48847 WAVES S.A.L	`0.82ms` from Tripoli, LB
66.70.138.8	AS16276 OVH SAS	`0.09ms` from Beauharnois, CA
122.143.66.216	AS4837 CHINA UNICOM China169 Backbone	`4.70ms` from Changchun, CN
5.68.64.200	AS5607 Sky UK Limited	`4.96ms` from Erith, GB
18.168.153.8	AS16509 Amazon.com, Inc.	`0.67ms` from London, GB
86.175.38.8	AS2856 British Telecommunications PLC	`1.92ms` from London, GB
93.69.23.152	AS30722 Fastweb SpA	`19.70ms` from Milan, IT
115.131.172.24	AS7545 TPG Telecom Limited	`1.36ms` from Perth, AU
177.129.186.120	AS262566 Link Sete Servicos de Internet e Redes Ltda	`9.43ms` from Rio de Janeiro, BR
75.157.190.120	AS852 TELUS Communications Inc.	`5.64ms` from Seattle, US
221.156.237.88	AS4766 Korea Telecom	`5.63ms` from Seoul, KR
211.207.80.104	AS9318 SK Broadband Co Ltd	`3.72ms` from Seoul, KR
186.210.212.104	AS53006 ALGAR TELECOM S/A	`4.23ms` from Uberlandia, BR
142.154.7.104	AS25019 Saudi Telecom Company JSC	`1.46ms` from Jeddah, SA

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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