121.127.161.0/24

AS9756  ·  SK Broadband Co Ltd

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Summary

Country South Korea
Domain skbroadband.com
ASN AS9756
Parent Range 121.127.128.0/18
Registry APNIC
ID BROADNNET-KR

WHOIS Details

inetnum:        121.127.128.0 - 121.127.191.255
netname:        broadNnet
descr:          SK Broadband Co Ltd
country:        KR
admin-c:        IM670-AP
tech-c:         IM670-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T08:06:07Z
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:        Seoul Jung-gu Toegye-ro 24
country:        KR
phone:          +82-80-828-2106
e-mail:         ip-adm@skbroadband.com
nic-hdl:        IM670-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2021-10-05T05:20:03Z
source:         APNIC

inetnum:        121.127.128.0 - 121.127.191.255
netname:        broadNnet-KR
descr:          SK Broadband Co Ltd
country:        KR
admin-c:        IM12-KR
tech-c:         IM12-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:        Seoul Jung-gu Toegye-ro 24
address:        SK Namsan Green Bldg.
country:        KR
phone:          +82-80-828-2106
e-mail:         ip-adm@skbroadband.com
nic-hdl:        IM12-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

Overlapping Ranges

BGP prefixes that contain 121.127.161.0/24

Range ASN Company Num of IPs
121.127.128.0/18 AS9756 SK Broadband Co Ltd 16,384

Nearby Ranges

BGP prefixes that overlap with 121.127.0.0/16

Range ASN Company Num of IPs
121.127.128.0/18 AS9756 SK Broadband Co Ltd 16,384
121.127.64.0/18 AS9756 SK Broadband Co Ltd 16,384
121.127.192.0/19 AS7718 iiNet Limited 8,192
121.127.224.0/19 AS152194 Sun Network (Hong Kong) Limited 8,192
121.127.228.0/24 AS152194 MEGA-II IDC 256
121.127.229.0/24 AS152194 MEGA-II IDC 256
121.127.230.0/24 AS152194 MEGA-II IDC 256
121.127.231.0/24 AS152194 MEGA-II IDC 256
121.127.232.0/24 AS152194 MEGA-II IDC 256
121.127.233.0/24 AS152194 MEGA-II IDC 256
121.127.234.0/24 AS152194 MEGA-II IDC 256
121.127.241.0/24 AS152194 MEGA-II IDC 256
121.127.244.0/24 AS152194 MEGA-II IDC 256
121.127.245.0/24 AS152194 MEGA-II IDC 256
121.127.246.0/24 AS152194 MEGA-II IDC 256
121.127.248.0/24 AS152194 MEGA-II IDC 256
121.127.249.0/24 AS152194 MEGA-II IDC 256
121.127.250.0/24 AS152194 MEGA-II IDC 256
121.127.252.0/24 AS152194 MEGA-II IDC 256
121.127.253.0/24 AS152194 MEGA-II IDC 256
121.127.254.0/24 AS152194 MEGA-II IDC 256
121.127.255.0/24 AS152194 MEGA-II IDC 256
121.127.32.0/24 AS16509 Catalyst IT Australia Pty Limited 256
121.127.33.0/24 AS210083 Privex Inc. 256
121.127.38.0/24 AS214224 CeskaSit.net Networks s.r.o. 256
121.127.39.0/24 AS399741 BAE Networks 256
121.127.34.0/24 AS400587 Ryamer, LLC 256
121.127.37.0/24 AS50340 SEBEK sp. z o.o 256
121.127.40.0/24 AS60068 Datacamp Limited 256
121.127.41.0/24 AS60068 Datacamp Limited 256
121.127.42.0/24 AS60068 Datacamp Limited 256
121.127.43.0/24 AS60068 Datacamp Limited 256
121.127.44.0/24 AS60068 Datacamp Limited 256
121.127.45.0/24 AS60068 Datacamp Limited 256
121.127.46.0/24 AS60068 Datacamp Limited 256
121.127.225.0/24 AS64050 MEGA-II IDC 256
121.127.35.0/24 AS9290 GoHosting 256
121.127.47.0/24 AS60068 Datacamp Limited 256
121.127.224.0/24 AS152194 MEGA-II IDC 256
121.127.226.0/24 AS152194 MEGA-II IDC 256
121.127.227.0/24 AS152194 MEGA-II IDC 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

Pingable IPs

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

IP Address ASN Details
121.127.161.1 AS9756 SK Broadband Co Ltd 4.64ms 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
154.254.78.72 AS36947 Telecom Algeria 12.39ms from Algiers, DZ
135.84.227.152 AS53435 JACKSON ENERGY AUTHORITY 10.26ms from Atlanta, US
101.26.174.152 AS4837 CHINA UNICOM China169 Backbone 11.32ms from Beijing, CN
141.45.3.104 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 1.39ms from Berlin, DE
152.201.226.24 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 3.06ms from Bogota, CO
73.253.117.120 AS7922 Comcast Cable Communications, LLC 7.19ms from Boston, US
171.224.13.120 AS7552 Viettel Group 3.14ms from Hanoi, VN
37.192.29.120 AS31200 Novotelecom Ltd 1.53ms from Novosibirsk, RU
153.170.165.40 AS4713 NTT DOCOMO BUSINESS,Inc. 2.68ms from Osaka, JP
128.78.85.232 AS5410 Bouygues Telecom SA 13.22ms from Paris, FR
73.30.135.40 AS7922 Comcast Cable Communications, LLC 7.02ms from Piscataway, US
59.17.107.200 AS4766 Korea Telecom 1.34ms from Seoul, KR
13.54.213.168 AS16509 Amazon.com, Inc. 0.11ms from Sydney, AU
104.18.28.168 AS13335 Cloudflare, Inc. 0.11ms from Wrocław, PL
222.137.105.184 AS4837 CHINA UNICOM China169 Backbone 1.41ms from Zhengzhou, CN
74.36.211.152 AS5650 Frontier Communications of America, Inc. 6.38ms from Chicago, US
76.150.33.184 AS7922 Comcast Cable Communications, LLC 4.71ms from Chicago, US
176.30.200.152 AS20978 TT Mobil Iletisim Hizmetleri A.S 14.46ms from Istanbul, TR
175.139.98.56 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 2.78ms from Kuala Lumpur, MY
88.9.166.120 AS3352 TELEFONICA DE ESPANA S.A.U. 7.50ms from Madrid, ES
91.160.175.232 AS12322 Free SAS 2.71ms from Paris, FR
220.75.174.184 AS4766 Korea Telecom 1.47ms from Seoul, KR
115.3.199.56 AS4766 Korea Telecom 2.91ms from Seoul, KR
93.138.126.136 AS5391 Hrvatski Telekom d.d. 4.76ms from Zagreb, HR
9.160.65.104 AS8075 Microsoft Corporation 0.94ms from Brussels, BE

Traceroute

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

$
traceroute -a -n -q1 -f5 121.127.161.19
traceroute to 121.127.161.19 (121.127.161.19): 64 hops max, 52 byte packets
6 *
7 *
8 *
9 *
10 *
11 *
12 [AS9756] 121.127.161.19 10.187 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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