1. All IP Ranges
  2. 211.0.0.0/8
  3. 211.191.0.0/16
  4. AS38676  | 211.191.133.0/24

211.191.133.0/24

AS38676  ·  flexnetworks

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Summary

Country South Korea
Domain sejongnetworks.com
ASN AS38676
Parent Range 211.191.128.0/20
Registry APNIC
ID SEJONG

WHOIS Details

inetnum:        211.191.128.0 - 211.191.143.255
netname:        SEJONG
descr:          SEJONG NETWORKS
country:        KR
admin-c:        IM686-AP
tech-c:         IM686-AP
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
last-modified:  2025-11-03T05:34:07Z
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:        12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
country:        KR
phone:          +82-2-1688-2200
e-mail:         ip@sejongnetworks.com
nic-hdl:        IM686-AP
mnt-by:         MNT-KRNIC-AP
last-modified:  2024-09-10T08:42:02Z
source:         APNIC

inetnum:        211.191.128.0 - 211.191.143.255
netname:        SEJONG-KR
descr:          SEJONG NETWORKS
country:        KR
admin-c:        IA10-KR
tech-c:         IM10-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:        12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
address:        (Galhyeondong)
country:        KR
phone:          +82-2-1688-2200
e-mail:         ip@sejongnetworks.com
nic-hdl:        IA10-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:        12 Gwacheon-daero 7-gil, Gwacheon-si, Gyeonggi-do
address:        (Galhyeondong)
country:        KR
phone:          +82-2-1688-2200
e-mail:         ip@sejongnetworks.com
nic-hdl:        IM10-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 211.191.133.0/24

Range ASN Company Num of IPs
211.191.128.0/20 AS38676 SEJONG NETWORKS 4,096
211.191.128.0/20 AS4670 SEJONG NETWORKS 4,096

Nearby Ranges

BGP prefixes that overlap with 211.191.0.0/16

Range ASN Company Num of IPs
211.191.160.0/19 AS4670 SEJONG NETWORKS 8,192
211.191.64.0/19 AS4670 SEJONG NETWORKS 8,192
211.191.112.0/20 AS4670 SEJONG NETWORKS 4,096
211.191.128.0/20 AS4670 SEJONG NETWORKS 4,096
211.191.64.0/20 AS4670 SEJONG NETWORKS 4,096
211.191.0.0/20 AS4670 SEJONG NETWORKS 4,096
211.191.240.0/20 AS4670 SEJONG NETWORKS 4,096
211.191.32.0/20 AS4670 SEJONG NETWORKS 4,096
211.191.128.0/20 AS38676 SEJONG NETWORKS 4,096
211.191.188.0/23 AS4670 SEJONG NETWORKS 512
211.191.125.0/24 AS4670 SEJONG NETWORKS 256
211.191.124.0/24 AS4670 SEJONG NETWORKS 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

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

IP Address ASN Details
211.191.133.1 AS38676 flexnetworks 0.80ms from Incheon, 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
51.15.11.152 AS12876 SCALEWAY S.A.S. 0.20ms from Amsterdam, NL
54.185.39.216 AS16509 Amazon.com, Inc. 0.12ms from Boardman, US
125.166.207.56 AS7713 PT Telekomunikasi Indonesia 2.22ms from Jakarta, ID
5.148.111.200 AS25180 Exponential-E Ltd. 0.45ms from London, GB
142.171.244.232 AS35916 MULTACOM CORPORATION 0.18ms from Los Angeles, US
176.171.28.184 AS5410 Bouygues Telecom SA 5.73ms from Lyon, FR
64.86.141.8 AS18563 CGI Inc. 1.00ms from Montreal, CA
122.23.141.248 AS4713 NTT DOCOMO BUSINESS,Inc. 6.71ms from Osaka, JP
123.132.61.88 AS4837 CHINA UNICOM China169 Backbone 8.94ms from Qingdao, CN
14.64.112.24 AS4766 Korea Telecom 1.91ms from Seoul, KR
119.198.192.40 AS4766 Korea Telecom 6.57ms from Seoul, KR
59.174.97.184 AS4134 CHINANET-BACKBONE 2.70ms from Wuhan, CN
9.163.143.104 AS8075 Microsoft Corporation 0.26ms from Amsterdam, NL
85.183.29.152 AS6805 Telefonica Germany GmbH & Co.OHG 10.23ms from Berlin, DE
84.139.110.216 AS3320 Deutsche Telekom AG 3.14ms from Duesseldorf, DE
197.189.180.88 AS37057 Vodacom Lesotho (Pty) Ltd 5.97ms from Johannesburg, ZA
146.19.98.216 AS25515 PJSC Rostelecom 1.11ms from Moscow, RU
212.131.113.88 AS3269 Telecom Italia S.p.A. 12.12ms from Naples, IT
195.15.132.72 AS34177 CELESTE SAS 0.65ms from Paris, FR
176.132.208.8 AS5410 Bouygues Telecom SA 1.79ms from Paris, FR
169.44.198.248 AS36351 IBM Cloud 0.83ms from San Jose, US
98.98.134.24 AS21859 Zenlayer Inc 0.36ms from Amsterdam, NL
24.9.238.88 AS7922 Comcast Cable Communications, LLC 3.82ms from Denver, US
88.112.74.40 AS719 Elisa Oyj 11.98ms from Helsinki, FI
217.88.160.24 AS3320 Deutsche Telekom AG 2.58ms from Nuernberg, DE

Traceroute

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

$
traceroute -a -n -q1 211.191.133.1
traceroute to 211.191.133.1 (211.191.133.1): 64 hops max, 52 byte packets
2 [AS199524] 92.223.1.73 1.385 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Incheon, 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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