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:              +82-2-6022-4022
e-mail:             post@flexnetworks.co.kr
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

1 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	`1.18ms` 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
79.194.156.200	AS3320 Deutsche Telekom AG	`2.52ms` from Berlin, DE
52.167.17.88	AS8075 Microsoft Corporation	`0.20ms` from Boydton, US
198.89.127.200	AS214054 Nitrode Corporation trading as ChartVPS Technologies	`0.18ms` from Chicago, US
216.83.62.168	AS16509 Amazon.com, Inc.	`0.15ms` from Columbus, US
70.123.148.248	AS11427 Charter Communications Inc	`5.14ms` from Dallas, US
145.46.168.200	AS16509 Amazon.com, Inc.	`0.38ms` from Frankfurt am Main, DE
217.81.194.232	AS3320 Deutsche Telekom AG	`8.39ms` from Frankfurt am Main, DE
73.15.95.56	AS7922 Comcast Cable Communications, LLC	`9.06ms` from Fremont, US
36.95.33.40	AS7713 PT Telekomunikasi Indonesia	`0.65ms` from Jakarta, ID
136.32.139.72	AS16591 Google Fiber Inc.	`0.78ms` from Kansas City, US
146.118.67.248	AS134111 Commonwealth Scientific and Industrial Research Organisation	`0.96ms` from Perth, AU
201.137.138.8	AS8151 UNINET	`3.73ms` from Santiago de Queretaro, MX
147.192.119.56	AS2527 Sony Network Communications Inc.	`1.82ms` from Tokyo, JP
86.96.47.120	AS5384 Emirates Internet	`2.52ms` from Al Fujairah City, AE
45.117.6.216	AS12975 PALTEL Autonomous System	`8.65ms` from Amman, JO
132.45.205.72	AS668 United States Department of Defense (DoD)	`0.57ms` from Atlanta, US
75.216.106.72	AS6167 Verizon Business	`15.04ms` from Boston, US
84.192.20.8	AS6848 Telenet BV	`6.12ms` from Brussels, BE
134.255.99.216	AS5483 Magyar Telekom Plc.	`6.20ms` from Budapest, HU
63.131.173.72	AS14140 Auburn Essential Services	`9.87ms` from Columbus, US
210.181.65.168	AS9318 SK Broadband Co Ltd	`1.49ms` from Incheon, KR
146.90.243.200	AS6871 Plusnet	`1.96ms` from London, GB
189.191.167.232	AS8151 UNINET	`1.09ms` from Mexico City, MX
64.228.78.184	AS577 Bell Canada	`3.96ms` from Montreal, CA
31.39.174.40	AS5410 Bouygues Telecom SA	`1.37ms` from Paris, FR

Traceroute

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

traceroute -a -n -q1 210.109.21.1

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

1 [AS202422] 89.44.193.2 0.107 ms

2 [AS199524] 5.189.207.3 0.366 ms

3 *

4 *

5 [AS9198] 178.88.174.237 0.888 ms

6 [AS9198] 92.47.145.109 23.642 ms

7 [AS9198] 95.59.172.9 20.256 ms

8 [AS9198] 92.47.151.96 19.802 ms

9 [AS12389] 188.128.11.197 61.707 ms

10 [AS12389] 87.226.133.35 211.933 ms

11 [AS12389] 87.226.221.111 208.119 ms

12 [AS4766] 112.174.88.118 245.028 ms

13 [AS4766] 112.174.86.169 242.358 ms

14 [AS4766] 112.174.47.74 247.784 ms

15 *

16 [AS4766] 211.55.89.206 249.949 ms

17 [AS38676] 210.109.21.1 321.344 ms

Measurement taken from

IPinfo ProbeNet in Almaty, KZ

On January 19th 2026

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.

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