163.255.0.0/16

AS4766 · Korea Telecom

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Summary

Country	South Korea
Domain	kt.com
ASN	AS4766
Registry	APNIC
ID	KORNET

WHOIS Details

inetnum:        163.255.0.0 - 163.255.255.255
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:        [email protected] 20170203
source:         APNIC

irt:            IRT-KRNIC-KR
address:        Seoul Songpa-gu Jungdae-ro 135
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 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:         [email protected]
nic-hdl:        IM667-AP
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 20170328
source:         APNIC

inetnum:        163.255.0.0 - 163.255.255.255
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:        [email protected]
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:         [email protected]
nic-hdl:        IA9-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected]
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:         [email protected]
nic-hdl:        IM9-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected]
source:         KRNIC

Nearby Ranges

BGP prefixes that overlap with 163.0.0.0/8

Range	ASN	Company	Num of IPs
163.12.0.0/16	AS749	Navy Network Information Center (NNIC)	65,536
163.207.0.0/16	AS749	DoD Network Information Center	65,536
163.162.0.0/16	AS5609	Telecom Italia S.p.A.	65,536
163.240.0.0/16	AS668	Navy Network Information Center (NNIC)	65,536
163.152.0.0/16	AS38113	Korea University	65,536
163.208.0.0/16	AS37914	Advanced Software Technology & Mechatronics ReseachInstitute of KYOTO	65,536
163.29.0.0/16	AS4782	Government Service Network (GSN)	65,536
163.118.0.0/16	AS31967	Florida Institute of Technology	65,536
163.10.0.0/16	AS5692	Universidad Nacional de La Plata	65,536
163.228.0.0/16	AS58593	Shanghai Blue Cloud Technology Co.,Ltd	65,536
163.176.0.0/16	AS31898	Oracle Corporation	65,536
163.54.0.0/16	AS2907	Aomori Public University	65,536
163.9.0.0/16	AS2200	Centre National De La Recherche Scientifique (CNRS)	65,536
163.142.0.0/16	AS136959	China Unicom Guangdong province network	65,536
163.203.0.0/16	AS3741	CoCre8 IT Services (PTY) LTD	65,536
163.153.0.0/16	AS22693	Albany Schoharie Schenectady BOCES	65,536
163.210.0.0/16	AS2516	Hitachi Zosen Corporation	65,536
163.55.0.0/16	AS2497	RYOBI LIMITED	65,536
163.215.0.0/16	AS2907	Tokyo University Of Technology	65,536
163.206.0.0/16	AS270	National Aeronautics and Space Administration	65,536
163.214.0.0/16	AS2907	Aichi-Gakuin University	65,536
163.212.0.0/16	AS2907	Yokohama City University	65,536
163.42.0.0/16	AS2907	Geospatial Information Authority of Japan, Ministry of Land, Infrastructure, Transport and Tourism	65,536
163.226.0.0/16	AS2907	University Public Corporation Osaka	65,536
163.150.0.0/16	AS2152	San Bernardino County Superintendent of Schools	65,536
163.51.0.0/16	AS2907	Kindai University	65,536
163.177.0.0/16	AS136959	China Unicom Guangdong province network	65,536
163.45.0.0/16	AS131930	Tokyo Broadcasting System Television,Inc.	65,536
163.172.0.0/16	AS12876	Scaleway Dedibox - Paris, France	65,536
163.177.0.0/16	AS136958	China Unicom Guangdong province network	65,536
163.140.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
163.48.0.0/16	AS2516	KOBELCO SYSTEMS CORPORATION	65,536
163.157.0.0/16	AS13063	SKF Dataservice AB	65,536
163.177.0.0/16	AS134543	China Unicom Guangdong province network	65,536
163.49.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
163.218.0.0/16	AS2497	Internet Initiative Japan Inc.	65,536
163.221.0.0/16	AS131158	Nara Institute of Science and Technology, National University Corporation	65,536
163.252.0.0/16	AS13977	Fidium	65,536
163.205.0.0/16	AS270	National Aeronautics and Space Administration	65,536
163.230.0.0/16	AS27336	Sentara Healthcare	65,536
163.233.0.0/16	AS141400	Comcare	65,536
163.177.0.0/16	AS135061	China Unicom Guangdong province network	65,536
163.178.0.0/16	AS11830	Universidad de Costa Rica	65,536
163.200.0.0/16	AS2018	University of South Africa	65,536
163.209.0.0/16	AS2907	Kagoshima University	65,536
163.237.0.0/16	AS13331	Redwood Network Design	65,536
163.225.0.0/16	AS2907	Okayama Prefectural University	65,536
163.173.0.0/16	AS2200	Conservatoire National des Arts et Metiers	65,536
163.6.0.0/16	AS210	Davis School District	65,536
163.4.0.0/16	AS749	DoD Network Information Center	65,536

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

34,569 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
163.255.198.84	AS4766 Korea Telecom	`5.60ms` from Seoul, KR
163.255.216.25	AS4766 Korea Telecom	`6.35ms` from Seoul, KR
163.255.192.124	AS4766 Korea Telecom	`4.96ms` from Seoul, KR
163.255.218.45	AS4766 Korea Telecom	`6.29ms` from Seoul, KR
163.255.239.18	AS4766 Korea Telecom	`5.58ms` from Seoul, KR
163.255.207.17	AS4766 Korea Telecom	`5.45ms` from Seoul, KR
163.255.205.149	AS4766 Korea Telecom	`5.61ms` from Seoul, KR
163.255.224.125	AS4766 Korea Telecom	`5.91ms` from Seoul, KR
163.255.230.22	AS4766 Korea Telecom	`6.24ms` from Seoul, KR
163.255.190.254	AS4766 Korea Telecom	`4.54ms` from Seoul, KR
163.255.214.254	AS4766 Korea Telecom	`6.12ms` from Seoul, KR
163.255.241.75	AS4766 Korea Telecom	`6.17ms` from Seoul, KR
163.255.201.44	AS4766 Korea Telecom	`5.44ms` from Seoul, KR
163.255.240.196	AS4766 Korea Telecom	`5.63ms` from Seoul, KR
163.255.195.190	AS4766 Korea Telecom	`5.44ms` from Seoul, KR
163.255.215.40	AS4766 Korea Telecom	`6.05ms` from Seoul, KR
163.255.225.27	AS4766 Korea Telecom	`5.73ms` from Seoul, KR
163.255.212.254	AS4766 Korea Telecom	`5.14ms` from Seoul, KR
163.255.245.28	AS4766 Korea Telecom	`5.64ms` from Seoul, KR
163.255.247.155	AS4766 Korea Telecom	`5.53ms` from Seoul, KR
163.255.255.208	AS4766 Korea Telecom	`5.30ms` from Seoul, KR
163.255.200.254	AS4766 Korea Telecom	`6.05ms` from Seoul, KR
163.255.221.135	AS4766 Korea Telecom	`5.89ms` from Seoul, KR
163.255.217.254	AS4766 Korea Telecom	`6.18ms` from Seoul, KR
163.255.210.57	AS4766 Korea Telecom	`5.41ms` 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
73.106.212.48	AS7922 Comcast Cable Communications, LLC	`4.57ms` from Atlanta, US
194.113.165.192	AS39797 Conectys Serv Telecom SRL	`0.60ms` from Bucharest, RO
41.42.193.128	AS8452 TE-AS	`3.02ms` from Cairo, EG
68.60.58.208	AS7922 Comcast Cable Communications, LLC	`9.53ms` from Detroit, US
93.133.158.80	AS6805 Telefonica Germany GmbH & Co.OHG	`2.46ms` from Duesseldorf, DE
2.164.21.192	AS3320 Deutsche Telekom AG	`19.18ms` from Hamburg, DE
64.225.1.224	AS14061 DigitalOcean, LLC	`0.53ms` from New York City, US
61.89.58.176	AS18081 Kintetsu Cable Network Co., Ltd.	`1.95ms` from Osaka, JP
115.30.203.16	AS7522 STNet, Incorporated	`3.94ms` from Osaka, JP
54.88.43.64	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
188.79.54.128	AS12479 Orange Espagne SA	`6.25ms` from Zaragoza, ES
114.23.226.96	AS56030 Voyager Internet Ltd.	`0.68ms` from Auckland, NZ
182.142.33.32	AS4134 CHINANET-BACKBONE	`6.76ms` from Chengdu, CN
208.161.22.48	AS19901 Brightspeed	`8.79ms` from Chicago, US
162.205.211.16	AS7018 AT&T Enterprises, LLC	`18.67ms` from Chicago, US
206.21.59.48	AS3112 OARnet	`6.48ms` from Columbus, US
173.188.190.128	AS7029 Windstream Communications LLC	`10.67ms` from Dallas, US
134.245.57.48	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`3.33ms` from Hamburg, DE
2.15.40.192	AS3215 Orange S.A.	`4.75ms` from Marseille, FR
118.15.52.64	AS4713 NTT DOCOMO BUSINESS,Inc.	`4.89ms` from Osaka, JP
201.95.162.96	AS27699 TELEFÔNICA BRASIL S.A	`2.47ms` from Osasco, BR
91.163.190.240	AS12322 Free SAS	`3.07ms` from Paris, FR
176.147.94.32	AS5410 Bouygues Telecom SA	`7.47ms` from Paris, FR
121.186.97.240	AS4766 Korea Telecom	`5.65ms` from Seoul, KR
99.177.170.128	AS7018 AT&T Enterprises, LLC	`12.17ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 163.255.48.31

traceroute to 163.255.48.31 (163.255.48.31): 64 hops max, 52 byte packets

1 [AS15169] 172.253.64.138 1.268 ms

2 *

3 *

4 [AS4766] 112.174.25.106 1.37 ms

5 *

6 [AS4766] 125.145.104.62 4.931 ms

7 *

8 *

9 [AS4766] 163.255.48.31 7.244 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On December 20th 2025

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