1.18.128.0/24

AS23596 · Korea Internet Security Agency

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Summary

Country	South Korea
Domain
ASN	AS23596
Registry	APNIC
ID	KRNIC-NET-KR

WHOIS Details

inetnum:        1.18.128.0 - 1.18.135.255
netname:        KRNIC-NET
descr:          Korea Internet Security Agency
country:        KR
admin-c:        IM574-AP
tech-c:         IM574-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T07:36:02Z
source:         APNIC

irt:            IRT-KRNIC-KR
address:        9, Jinheung-gil, Naju-si, Jeollanam-do
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        IM574-AP
tech-c:         IM574-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2020-04-09
mnt-by:         MNT-KRNIC-AP
last-modified:  2025-09-04T01:00:01Z
source:         APNIC

person:         IP Manager
address:        Jeollanam-do Naju-si Jinheung-gil
country:        KR
phone:          +82-2-405-5118
e-mail:         [email protected]
nic-hdl:        IM574-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2024-02-29T01:18:34Z
source:         APNIC

inetnum:        1.18.128.0 - 1.18.135.255
netname:        KRNIC-NET-KR
descr:          Korea Internet Security Agency
country:        KR
admin-c:        IA98-KR
tech-c:         IT98-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:        Jeollanam-do Naju-si Jinheung-gil
address:        9
country:        KR
phone:          +82-2-405-5118
e-mail:         [email protected]
nic-hdl:        IA98-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 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:        Jeollanam-do Naju-si Jinheung-gil
address:        9
country:        KR
phone:          +82-2-405-5118
e-mail:         [email protected]
nic-hdl:        IT98-KR
mnt-by:         MNT-KRNIC-AP
changed:        [email protected] 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 1.18.0.0/16

Range	ASN	Company	Num of IPs
1.18.116.0/24	AS131098	Korea Internet Security Agency	256
1.18.118.0/24	AS131099	Korea Internet Security Agency	256
1.18.119.0/24	AS131100	Korea Internet Security Agency	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

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

IP Address	ASN	Details
1.18.128.5	AS23596 Korea Internet Security Agency	`1.33ms` from Beijing, CN

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
52.226.130.8	AS8075 Microsoft Corporation	`0.45ms` from Ashburn, US
109.129.35.8	AS5432 Proximus NV	`3.87ms` from Brussels, BE
185.23.106.232	AS6876 TENET Scientific Production Enterprise LLC	`3.49ms` from Chisinau, MD
20.223.237.136	AS8075 Microsoft Corporation	`0.16ms` from Dublin, IE
147.142.245.72	AS553 BelWue-Koordination	`3.78ms` from Frankfurt am Main, DE
93.204.153.56	AS3320 Deutsche Telekom AG	`2.59ms` from Hamburg, DE
154.89.178.120	AS400619 AROSSCLOUD INC.	`1.46ms` from Hong Kong, HK
123.191.213.184	AS4837 CHINA UNICOM China169 Backbone	`13.36ms` from Liaoyang, CN
78.124.118.136	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`10.44ms` from Lyon, FR
65.32.247.232	AS33363 Charter Communications, Inc	`8.67ms` from Miami, US
88.35.81.152	AS3269 Telecom Italia S.p.A.	`7.81ms` from Milan, IT
78.36.29.88	AS12389 PJSC Rostelecom	`2.07ms` from Murmansk, RU
108.165.222.56	AS46450 Pilot Fiber, Inc.	`0.75ms` from New York City, US
182.165.50.104	AS17511 OPTAGE Inc.	`1.82ms` from Osaka, JP
96.234.201.40	AS701 Verizon Business	`4.28ms` from Philadelphia, US
181.42.238.120	AS27651 ENTEL CHILE S.A.	`1.35ms` from Santiago, CL
183.246.67.120	AS56041 China Mobile communications corporation	`11.06ms` from Suzhou, CN
27.105.170.24	AS18182 Sony Network Taiwan Limited	`1.09ms` from Taipei, TW
114.182.115.40	AS4713 NTT DOCOMO BUSINESS,Inc.	`8.93ms` from Tokyo, JP
122.17.176.136	AS4713 NTT DOCOMO BUSINESS,Inc.	`1.37ms` from Tokyo, JP
5.39.225.72	AS198792 DSTORAGE s.a.s.	`0.39ms` from Amsterdam, NL
71.62.94.24	AS7922 Comcast Cable Communications, LLC	`6.21ms` from Ashburn, US
180.79.52.120	AS17429 BEIJING GEHUA CATV NETWORK CO.LTD	`8.58ms` from Beijing, CN
188.125.82.56	AS34010 Yahoo-UK Limited	`0.37ms` from Dublin, IE
18.61.164.88	AS16509 Amazon.com, Inc.	`1.76ms` from Hyderabad, IN

Traceroute

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

traceroute -a -n -q1 -f5 1.18.128.4

traceroute to 1.18.128.4 (1.18.128.4): 64 hops max, 52 byte packets

5 [AS3491] 63.218.114.82 2.439 ms

6 [AS3491] 63.220.198.25 1.832 ms

7 [AS7497] 159.226.254.229 34.666 ms

8 [AS7497] 159.226.254.237 34.102 ms

9 [AS7497] 159.226.254.162 34.172 ms

10 *

11 [AS24151] 218.241.96.146 33.938 ms

12 [AS23596] 1.18.128.4 33.424 ms

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On December 15th 2025

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