1. All IP Ranges
  2. 210.0.0.0/8
  3. 210.90.0.0/16
  4. AS9647  | 210.90.0.0/24

210.90.0.0/24

AS9647  ·  Seoul Metropolitan Government

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Summary

Country South Korea
Domain kt.com
ASN AS9647
Registry APNIC
ID KORNET

WHOIS Details

inetnum:        210.90.0.0 - 210.90.127.255
netname:        KORNET
descr:          Korea Telecom
country:        KR
admin-c:        IM667-AP
tech-c:         IM667-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T08:14:07Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail:         irt@nic.or.kr
abuse-mailbox:  irt@nic.or.kr
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        irt@nic.or.kr was validated on 2020-04-09
mnt-by:         MNT-KRNIC-AP
last-modified:  2025-09-04T01:00:01Z
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
last-modified:  2017-03-28T06:37:04Z
source:         APNIC

inetnum:        210.90.0.0 - 210.90.127.255
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.kisa.or.kr.
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
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 20240912
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.kisa.or.kr.
source:         KRNIC

person:         IP Manager
address:        Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90
address:        KT Head Office
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 20240912
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.kisa.or.kr.
source:         KRNIC

Nearby Ranges

BGP prefixes that overlap with 210.90.0.0/16

Range ASN Company Num of IPs
210.90.46.0/24 AS17574 KT 256
210.90.46.0/24 AS17574 KT 256
210.90.47.0/24 AS17574 KT 256
210.90.47.0/24 AS17574 KT 256
210.90.46.0/24 AS17841 KT 256
210.90.46.0/24 AS17841 KT 256
210.90.47.0/24 AS17841 KT 256
210.90.47.0/24 AS17841 KT 256
210.90.28.0/24 AS23568 Gyeongryungyeongjeongchonggwalbonbu 256
210.90.214.0/24 AS45400 Korea Telecom 256
210.90.6.0/24 AS45400 Korea Telecom 256
210.90.80.0/24 AS45400 Korea Telecom 256
210.90.82.0/24 AS45400 Korea Telecom 256
210.90.100.0/24 AS4766 Korea Telecom 256
210.90.20.0/24 AS4766 KT 256
210.90.58.0/24 AS4766 KT 256
210.90.7.0/24 AS4766 Korea Telecom 256
210.90.76.0/24 AS4766 Korea Telecom 256
210.90.79.0/24 AS4766 Korea Telecom 256

Hosted domains

There are 3 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
210.90.0.1 gwangjin.go.kr 1
210.90.0.78 gwangjinnosmoke.co.kr 1
210.90.0.15 xn--hc0bug242e2gcr4x.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

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

IP Address ASN Details
210.90.0.37 AS9647 Seoul Metropolitan Government 1.90ms 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
141.45.66.152 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 1.57ms from Berlin, DE
52.40.144.88 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
52.179.185.88 AS8075 Microsoft Corporation 0.20ms from Boydton, US
186.61.131.216 AS22927 Telefonica de Argentina 1.93ms from Buenos Aires, AR
111.123.123.232 AS4134 CHINANET-BACKBONE 7.31ms from Guiyang, CN
91.156.130.72 AS719 Elisa Oyj 1.16ms from Helsinki, FI
86.25.174.104 AS5089 Virgin Media Limited 7.39ms from London, GB
34.43.79.8 AS396982 Google LLC 0.07ms from Melbourne, AU
149.68.7.200 AS18564 St. John's University, New York 1.83ms from New York City, US
100.25.131.88 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
27.191.200.216 AS4134 CHINANET-BACKBONE 8.59ms from Shijiazhuang, CN
119.119.102.24 AS4837 CHINA UNICOM China169 Backbone 7.97ms from Tieling, CN
85.215.156.88 AS8560 IONOS SE 0.60ms from Berlin, DE
134.96.254.200 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 5.68ms from Frankfurt am Main, DE
139.189.251.40 AS4134 CHINANET-BACKBONE 4.75ms from Haikou, CN
203.162.7.152 AS45899 VNPT Corp 2.27ms from Ho Chi Minh City, VN
114.207.215.8 AS9318 SK Broadband Co Ltd 3.86ms from Incheon, KR
92.52.124.136 AS15395 Rackspace Ltd. 1.39ms from London, GB
4.198.150.232 AS8075 Microsoft Corporation 0.41ms from Melbourne, AU
195.120.125.184 AS3269 Telecom Italia S.p.A. 12.05ms from Naples, IT
112.70.148.24 AS17511 OPTAGE Inc. 1.53ms from Osaka, JP
177.188.217.72 AS27699 TELEFÔNICA BRASIL S.A 8.85ms from Osasco, BR
112.237.13.72 AS4837 CHINA UNICOM China169 Backbone 8.26ms from Qingdao, CN
3.217.158.216 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
129.122.67.216 AS49902 SOCIETE REUNIONNAISE DU RADIOTELEPHONE SCS 1.39ms from Saint-Denis, RE

Traceroute

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

$
traceroute -a -n -q1 -f7 210.90.0.88
traceroute to 210.90.0.88 (210.90.0.88): 64 hops max, 52 byte packets
7 [AS3786] 1.213.146.97 19.719 ms
8 *
9 *
10 [AS3786] 211.180.28.218 2.485 ms
11 [AS9647] 202.14.90.136 1.403 ms
12 [AS9647] 202.14.90.141 3.289 ms
13 [AS9647] 202.14.90.214 2.264 ms
14 [AS9647] 202.14.90.218 3.596 ms
15 *
16 *
17 *
18 *
20 *
21 [AS9647] 210.90.0.88 2.244 ms
Measurement taken from IPinfo ProbeNet in Seoul, KR
On

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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