Autonomous System details

AS23570

UNIVERSITY OF INCHEON · incheon.ac.kr

South Korea

Stub AS

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AS23570 – UNIVERSITY OF INCHEON

Field	Value
Country	South Korea
Website	incheon.ac.kr
Hosted domains	17
IPv4 addresses	19,456
IPv6 addresses	0
ASN type	Education
Registry	apnic
Updated	7 years ago on Nov 22, 2018

Netblock	Company	Num of IPs
117.17.224.0/20	University of Incheon	4,096
117.17.220.0/23	University of Incheon	512
117.17.222.0/23	University of Incheon	512
117.16.191.0/24	University of Incheon	256
117.16.192.0/24	University of Incheon	256
117.16.193.0/24	University of Incheon	256
117.16.194.0/24	University of Incheon	256
117.16.195.0/24	University of Incheon	256
117.16.196.0/24	University of Incheon	256
117.16.197.0/24	University of Incheon	256
117.16.198.0/24	University of Incheon	256
117.16.199.0/24	University of Incheon	256
117.16.200.0/24	University of Incheon	256
117.16.201.0/24	University of Incheon	256
117.16.202.0/24	University of Incheon	256
117.16.203.0/24	University of Incheon	256
117.16.204.0/24	University of Incheon	256
117.16.205.0/24	University of Incheon	256
117.16.206.0/24	University of Incheon	256
117.16.207.0/24	University of Incheon	256
117.16.208.0/24	University of Incheon	256
117.16.209.0/24	University of Incheon	256
117.16.210.0/24	University of Incheon	256
117.16.211.0/24	University of Incheon	256
117.16.212.0/24	University of Incheon	256
117.16.213.0/24	University of Incheon	256
117.16.214.0/24	University of Incheon	256
117.16.215.0/24	University of Incheon	256
117.16.216.0/24	University of Incheon	256
117.16.217.0/24	University of Incheon	256
117.16.218.0/24	University of Incheon	256
117.16.219.0/24	University of Incheon	256
117.16.220.0/24	University of Incheon	256
117.16.221.0/24	University of Incheon	256
117.16.222.0/24	University of Incheon	256
117.16.223.0/24	University of Incheon	256
117.16.224.0/24	University of Incheon	256
117.16.225.0/24	University of Incheon	256
117.16.226.0/24	University of Incheon	256
117.16.227.0/24	University of Incheon	256
117.16.228.0/24	University of Incheon	256
117.16.229.0/24	University of Incheon	256
117.16.230.0/24	University of Incheon	256
117.16.231.0/24	University of Incheon	256
117.16.232.0/24	University of Incheon	256
117.16.233.0/24	University of Incheon	256
117.16.234.0/24	University of Incheon	256
117.16.242.0/24	University of Incheon	256
117.16.243.0/24	University of Incheon	256
117.16.244.0/24	University of Incheon	256
117.16.245.0/24	University of Incheon	256
117.16.246.0/24	University of Incheon	256
117.16.247.0/24	University of Incheon	256
117.16.248.0/24	University of Incheon	256
117.16.249.0/24	University of Incheon	256
117.16.250.0/24	University of Incheon	256
117.16.251.0/24	University of Incheon	256
117.16.252.0/24	University of Incheon	256
117.16.253.0/24	University of Incheon	256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS23570
                                                OrgID:          AS23570
                                                ASName:         AS23570
                                                ASNumber:       AS23570
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 17 domain names hosted across 15 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
117.16.191.4	█████████	3
117.16.244.214	██████████	2
117.16.248.237	██████████	1
117.17.221.26	█████████	1
117.16.196.138	██████████	1
117.16.244.1	██████████	1
117.16.250.81	██████████	1
117.16.249.7	██████████	1
117.16.244.7	██████████	1
117.16.249.8	█████████	1

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Peers

There is 1 peer for this ASN.

Peers	Name
AS4766	Korea Telecom

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Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS4766	Korea Telecom

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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address	ASN	Details
117.16.191.7	AS23570 UNIVERSITY OF INCHEON	`1.38ms` from Seoul, KR
117.16.231.148	AS23570 UNIVERSITY OF INCHEON	`21.80ms` from Seoul, KR
117.16.212.76	AS23570 UNIVERSITY OF INCHEON	`22.20ms` from Seoul, KR
117.16.246.105	AS23570 UNIVERSITY OF INCHEON	`22.17ms` from Seoul, KR
117.16.214.165	AS23570 UNIVERSITY OF INCHEON	`21.96ms` from Seoul, KR
117.16.247.134	AS23570 UNIVERSITY OF INCHEON	`22.11ms` from Seoul, KR
117.17.227.207	AS23570 UNIVERSITY OF INCHEON	`22.58ms` from Seoul, KR
117.16.244.35	AS23570 UNIVERSITY OF INCHEON	`21.89ms` from Seoul, KR
117.16.248.238	AS23570 UNIVERSITY OF INCHEON	`2.04ms` from Seoul, KR
117.16.249.3	AS23570 UNIVERSITY OF INCHEON	`2.39ms` from Seoul, KR
117.16.250.81	AS23570 UNIVERSITY OF INCHEON	`22.92ms` from Seoul, KR
117.16.225.191	AS23570 UNIVERSITY OF INCHEON	`1.93ms` from Seoul, KR
117.16.195.252	AS23570 UNIVERSITY OF INCHEON	`1.75ms` from Seoul, KR
117.16.210.24	AS23570 UNIVERSITY OF INCHEON	`21.80ms` from Seoul, KR
117.16.232.2	AS23570 UNIVERSITY OF INCHEON	`22.54ms` from Seoul, KR
117.16.243.166	AS23570 UNIVERSITY OF INCHEON	`1.62ms` from Seoul, KR
117.16.245.72	AS23570 UNIVERSITY OF INCHEON	`1.69ms` from Seoul, KR
117.16.251.254	AS23570 UNIVERSITY OF INCHEON	`1.35ms` from Seoul, KR
117.16.196.244	AS23570 UNIVERSITY OF INCHEON	`1.40ms` 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
18.213.173.226	AS14618 Amazon.com, Inc.	`0.59ms` from Ashburn, US
38.127.180.210	AS174 Cogent Communications, LLC	`3.33ms` from Ashburn, US
222.31.0.2	AS4538 China Education and Research Network Center	`11.55ms` from Beijing, CN
181.32.79.98	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`8.63ms` from Bogota, CO
186.121.84.34	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`2.54ms` from Bogota, CO
3.134.156.162	AS16509 Amazon.com, Inc.	`0.14ms` from Columbus, US
34.173.236.82	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
146.135.127.162	AS19901 Brightspeed	`6.75ms` from Detroit, US
3.255.118.34	AS16509 Amazon.com, Inc.	`0.34ms` from Dublin, IE
193.175.86.66	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`5.90ms` from Duesseldorf, DE
183.239.116.242	AS9808 China Mobile Communications Group Co., Ltd.	`8.63ms` from Guangzhou, CN
129.173.214.194	AS8111 Dalhousie University	`0.34ms` from Halifax, CA
212.42.4.242	AS8838 Compuweb Communications Services Limited	`0.62ms` from London, GB
32.47.48.178	AS7018 AT&T Enterprises, LLC	`6.23ms` from Los Angeles, US
198.164.144.34	AS611 NB-PEI Educational Computer Network	`15.58ms` from Montreal, CA
121.86.16.242	AS17511 OPTAGE Inc.	`1.54ms` from Osaka, JP
50.196.30.34	AS7922 Comcast Cable Communications, LLC	`8.13ms` from Portland, US
177.185.242.226	AS263623 GOX S.A.	`8.60ms` from Rio de Janeiro, BR
65.130.253.82	AS209 CenturyLink Communications, LLC	`2.02ms` from Salt Lake City, US
23.174.56.2	AS63023 GTHost	`0.14ms` from Seattle, US
180.172.244.34	AS4812 China Telecom (Group)	`6.47ms` from Shanghai, CN
194.47.52.162	AS1653 Vetenskapsradet / SUNET	`5.21ms` from Skanderborg, DK
190.136.232.242	AS7303 Telecom Argentina S.A.	`5.94ms` from Asuncion, PY
40.138.160.2	AS7029 Windstream Communications LLC	`2.77ms` from Atlanta, US
180.180.110.50	AS23969 TOT Public Company Limited	`10.31ms` from Bangkok, TH

Traceroute

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

traceroute -a -n -q1 117.17.220.254

traceroute to 117.17.220.254 (117.17.220.254): 64 hops max, 52 byte packets

1 [AS199524] 82.117.226.1 0.289 ms

2 [AS199524] 92.223.1.73 0.819 ms

3 *

4 *

5 *

6 [AS4766] 119.197.190.106 1.049 ms

7 [AS23570] 117.17.220.254 0.564 ms

Measurement taken from

IPinfo ProbeNet in Incheon, KR

On January 9th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS23570 at robtex.

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