210.109.21.0/24

AS38676 · flexnetworks

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Summary

Country	South Korea
Domain	flexnet.co.kr
ASN	AS38676
Parent Range	210.109.0.0/16
Registry	KRNIC
ID	210.109.21.0-210.109.21.255

WHOIS Details

inetnum:            210.109.21.0 - 210.109.21.255
descr:              FLEXNET
network-type:       CUSTOMER
address:            21 Yangji-ro, Gwangmyeong-si, Gyeonggi-do
zip-code:           14345
created:            2023-11-19
admin:              GENERATED-KRNIC-IP-MANAGER-POST
country:            KR
source:             KRNIC

nic-hdl:            GENERATED-KRNIC-IP-MANAGER-POST
person:             IP Manager
name:               IP Manager
phone:              +82-2-899-9777
e-mail:             [email protected]
source:             KRNIC

Overlapping Ranges

BGP prefixes that contain 210.109.21.0/24

Range	ASN	Company	Num of IPs
210.109.0.0/16	AS23588	SEJONG NETWORKS	65,536
210.109.0.0/16	AS9848	SEJONG NETWORKS	65,536

Nearby Ranges

BGP prefixes that overlap with 210.109.0.0/16

Range	ASN	Company	Num of IPs
210.109.0.0/16	AS9848	SEJONG NETWORKS	65,536
210.109.0.0/16	AS23588	SEJONG NETWORKS	65,536
210.109.20.0/24	AS38676	FLEXNET	256
210.109.22.0/24	AS38676	FLEXNET	256
210.109.23.0/24	AS38676	FLEXNET	256
210.109.175.0/24	AS18305	POSCO ICT	256
210.109.100.0/24	AS9952	Inexeed Co . Ltd	256
210.109.19.0/24	AS38676	FLEXNET	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

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

IP Address	ASN	Details
210.109.21.1	AS38676 flexnetworks	`1.20ms` 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
99.64.255.216	AS7018 AT&T Enterprises, LLC	`2.39ms` from Chicago, US
169.55.196.24	AS36351 IBM Cloud	`1.92ms` from Dallas, US
216.81.144.248	AS11320 LightEdge Solutions	`1.96ms` from Des Moines, US
38.13.187.136	AS214483 FiberPower LLC	`4.44ms` from Durham, US
5.63.36.120	AS62336 PURtel.com GmbH	`1.41ms` from Frankfurt am Main, DE
68.203.194.24	AS11427 Charter Communications Inc	`8.68ms` from Houston, US
46.45.207.136	AS12389 PJSC Rostelecom	`17.86ms` from Moscow, RU
83.197.213.136	AS3215 Orange S.A.	`11.03ms` from Paris, FR
86.245.106.152	AS3215 Orange S.A.	`4.65ms` from Paris, FR
133.32.28.136	AS2519 ARTERIA Networks Corporation	`2.24ms` from Tokyo, JP
61.53.80.120	AS4837 CHINA UNICOM China169 Backbone	`3.75ms` from Zhengzhou, CN
67.163.110.184	AS7922 Comcast Cable Communications, LLC	`11.00ms` from Ashburn, US
108.139.20.232	AS16509 Amazon.com, Inc.	`0.08ms` from Atlanta, US
86.123.205.200	AS8708 DIGI ROMANIA S.A.	`0.81ms` from Bucharest, RO
190.96.123.200	AS262150 Empresa Provincial de Energia de Cordoba	`9.34ms` from Cordoba, AR
47.187.38.72	AS5650 Frontier Communications of America, Inc.	`0.96ms` from Dallas, US
98.29.25.72	AS10796 Charter Communications Inc	`17.32ms` from Flint, US
77.52.2.168	AS21497 PrJSC VF UKRAINE	`0.62ms` from Kyiv, UA
67.207.174.216	AS17252 Colocation America Corporation	`0.29ms` from Los Angeles, US
69.55.46.24	AS18780 Reservation Telephone Coop.	`17.45ms` from Minneapolis, US
177.106.117.184	AS53006 ALGAR TELECOM S/A	`7.69ms` from Osasco, BR
88.92.233.216	AS2119 Telenor Norge AS	`17.78ms` from Oslo, NO
8.222.224.120	AS45102 Alibaba (US) Technology Co., Ltd.	`0.61ms` from Singapore, SG
199.242.72.56	AS22472 Florida Supreme Court	`17.25ms` from Atlanta, US
221.210.105.8	AS4837 CHINA UNICOM China169 Backbone	`9.86ms` from Changchun, CN

Traceroute

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

traceroute -a -n -q1 -f2 210.109.21.1

traceroute to 210.109.21.1 (210.109.21.1): 64 hops max, 52 byte packets

2 [AS3257] 207.162.206.129 0.509 ms

3 [AS3257] 89.149.130.54 69.578 ms

4 [AS4766] 121.189.2.25 67.525 ms

5 [AS4766] 112.174.87.249 186.053 ms

6 [AS4766] 112.174.91.29 190.831 ms

7 [AS4766] 112.174.49.202 190.774 ms

8 *

9 [AS4766] 211.55.89.206 190.367 ms

10 [AS38676] 210.109.21.1 205.99 ms

Measurement taken from

IPinfo ProbeNet in Halifax, CA

On November 28th 2025

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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