Autonomous System details

AS55618

UNIVERSITY OF ULSAN · ulsan.ac.kr

South Korea

BitTorrent

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AS55618 – UNIVERSITY OF ULSAN

Field	Value
Country	South Korea
Website	ulsan.ac.kr
Hosted domains	8
IPv4 addresses	16,896
IPv6 addresses	0
ASN type	Education
Registry	apnic
Updated	3 years ago on Sep 16, 2022

Netblock	Company	Num of IPs
203.250.64.0/24	Korean Education Network	256
203.250.65.0/24	Korean Education Network	256
203.250.66.0/24	Korean Education Network	256
203.250.67.0/24	Korean Education Network	256
203.250.68.0/24	Korean Education Network	256
203.250.69.0/24	Korean Education Network	256
203.250.70.0/24	Korean Education Network	256
203.250.71.0/24	Korean Education Network	256
203.250.72.0/24	Korean Education Network	256
203.250.73.0/24	Korean Education Network	256
203.250.74.0/24	Korean Education Network	256
203.250.75.0/24	Korean Education Network	256
203.250.76.0/24	Korean Education Network	256
203.250.77.0/24	Korean Education Network	256
203.250.78.0/24	Korean Education Network	256
203.250.79.0/24	Korean Education Network	256
203.250.80.0/24	Korean Education Network	256
203.250.81.0/24	Korean Education Network	256
203.250.82.0/24	Korean Education Network	256
203.250.83.0/24	Korean Education Network	256
203.250.84.0/24	Korean Education Network	256
203.250.85.0/24	Korean Education Network	256
203.250.86.0/24	Korean Education Network	256
203.250.87.0/24	Korean Education Network	256
203.250.88.0/24	Korean Education Network	256
203.250.89.0/24	Korean Education Network	256
203.250.90.0/24	Korean Education Network	256
203.250.91.0/24	Korean Education Network	256
203.250.92.0/24	Korean Education Network	256
203.250.93.0/24	Korean Education Network	256
203.250.94.0/24	Korean Education Network	256
203.250.95.0/24	Korean Education Network	256
210.102.152.0/24	University of Ulsan	256
210.102.153.0/24	University of Ulsan	256
210.102.154.0/24	University of Ulsan	256
210.102.155.0/24	University of Ulsan	256
210.102.156.0/24	University of Ulsan	256
210.102.157.0/24	University of Ulsan	256
210.102.158.0/24	University of Ulsan	256
210.102.159.0/24	University of Ulsan	256
210.102.160.0/24	University of Ulsan	256
210.102.161.0/24	University of Ulsan	256
210.102.162.0/24	University of Ulsan	256
210.102.163.0/24	University of Ulsan	256
210.102.164.0/24	University of Ulsan	256
210.102.165.0/24	University of Ulsan	256
210.102.166.0/24	University of Ulsan	256
210.102.167.0/24	University of Ulsan	256
210.102.168.0/24	University of Ulsan	256
210.102.169.0/24	University of Ulsan	256
210.102.170.0/24	University of Ulsan	256
210.102.171.0/24	University of Ulsan	256
210.102.208.0/24	University of Ulsan	256
210.102.209.0/24	University of Ulsan	256
210.102.210.0/24	University of Ulsan	256
210.102.211.0/24	University of Ulsan	256
210.102.212.0/24	University of Ulsan	256
210.102.213.0/24	University of Ulsan	256
210.102.214.0/24	University of Ulsan	256
210.102.215.0/24	University of Ulsan	256
210.102.216.0/24	University of Ulsan	256
210.102.217.0/24	University of Ulsan	256
210.102.218.0/24	University of Ulsan	256
210.102.219.0/24	University of Ulsan	256
218.147.40.0/24	Korea Telecom	256
218.147.41.0/24	Korea Telecom	256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS55618
                                                OrgID:          AS55618
                                                ASName:         AS55618
                                                ASNumber:       AS55618
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 8 domain names hosted across 8 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
203.250.94.20	██████████	2
203.250.94.26	█████████	1
203.250.94.106	██████████	1
210.102.153.8	██████████	1
203.250.94.150	██████████	1
210.102.163.188	█████████	1
203.250.94.91	█████████	1
203.250.71.204	██████████	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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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address	ASN	Details
210.102.154.86	AS55618 UNIVERSITY OF ULSAN	`8.34ms` from Seoul, KR
203.250.92.136	AS55618 UNIVERSITY OF ULSAN	`8.68ms` from Seoul, KR
203.250.88.19	AS55618 UNIVERSITY OF ULSAN	`7.41ms` from Seoul, KR
218.147.41.15	AS55618 UNIVERSITY OF ULSAN	`28.33ms` from Tokyo, JP
203.250.94.84	AS55618 UNIVERSITY OF ULSAN	`7.23ms` from Seoul, KR
210.102.210.103	AS55618 UNIVERSITY OF ULSAN	`7.59ms` from Seoul, KR
203.250.89.42	AS55618 UNIVERSITY OF ULSAN	`8.66ms` from Seoul, KR
210.102.219.251	AS55618 UNIVERSITY OF ULSAN	`6.99ms` from Seoul, KR
203.250.64.242	AS55618 UNIVERSITY OF ULSAN	`7.15ms` from Seoul, KR
210.102.153.23	AS55618 UNIVERSITY OF ULSAN	`7.44ms` from Seoul, KR
203.250.84.74	AS55618 UNIVERSITY OF ULSAN	`7.09ms` from Seoul, KR
210.102.215.24	AS55618 UNIVERSITY OF ULSAN	`6.68ms` from Seoul, KR
210.102.164.241	AS55618 UNIVERSITY OF ULSAN	`8.39ms` from Seoul, KR
218.147.40.13	AS55618 UNIVERSITY OF ULSAN	`7.23ms` from Seoul, KR
203.250.95.1	AS55618 UNIVERSITY OF ULSAN	`6.94ms` from Seoul, KR
203.250.85.25	AS55618 UNIVERSITY OF ULSAN	`6.98ms` from Seoul, KR
203.250.72.10	AS55618 UNIVERSITY OF ULSAN	`8.07ms` from Seoul, KR
210.102.170.69	AS55618 UNIVERSITY OF ULSAN	`6.77ms` from Seoul, KR
210.102.216.4	AS55618 UNIVERSITY OF ULSAN	`6.78ms` from Seoul, KR
210.102.157.198	AS55618 UNIVERSITY OF ULSAN	`7.19ms` from Seoul, KR
203.250.77.74	AS55618 UNIVERSITY OF ULSAN	`7.14ms` from Seoul, KR
203.250.78.171	AS55618 UNIVERSITY OF ULSAN	`9.29ms` 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
20.127.32.34	AS8075 Microsoft Corporation	`0.42ms` from Ashburn, US
132.193.57.66	AS668 United States Department of Defense (DoD)	`0.51ms` from Atlanta, US
59.94.76.34	AS9829 National Internet Backbone	`12.90ms` from Bengaluru, IN
197.132.208.66	AS24835 Vodafone Data	`14.80ms` from Cairo, EG
60.21.220.82	AS4837 CHINA UNICOM China169 Backbone	`15.00ms` from Dalian, CN
87.137.192.242	AS3320 Deutsche Telekom AG	`1.06ms` from Frankfurt am Main, DE
134.238.121.130	AS394089 Google LLC	`1.03ms` from Frankfurt am Main, DE
114.232.150.242	AS4134 CHINANET-BACKBONE	`7.74ms` from Huai'an, CN
154.70.222.2	AS37353 Seacom Western Cape (Pty) Ltd	`0.56ms` from Johannesburg, ZA
185.254.252.2	AS204020 Fenice Telekom Grupa d.o.o.	`2.57ms` from Ljubljana, SI
212.30.77.34	AS5603 Telekom Slovenije, d.d.	`0.85ms` from Ljubljana, SI
95.145.185.18	AS2856 British Telecommunications PLC	`10.67ms` from London, GB
23.203.61.226	AS20940 Akamai International B.V.	`0.35ms` from Marseille, FR
50.146.142.210	AS7922 Comcast Cable Communications, LLC	`0.90ms` from Miami, US
142.120.182.34	AS577 Bell Canada	`2.32ms` from Montreal, CA
122.213.180.18	AS17506 ARTERIA Networks Corporation	`1.00ms` from Osaka, JP
79.86.232.66	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`15.78ms` from Paris, FR
120.60.146.162	AS9829 National Internet Backbone	`15.41ms` from Saint Thomas Mount, IN
51.174.95.18	AS29695 Altibox AS	`8.44ms` from Sandefjord, NO
148.244.222.34	AS11172 Alestra, S. de R.L. de C.V.	`3.27ms` from Santiago de Queretaro, MX
91.92.233.2	AS42446 Viscomp Ltd	`2.84ms` from Sofia, BG
80.245.203.50	AS21360 Empirion Telekommunikations Services GmbH	`0.51ms` from Vienna, AT
75.225.190.178	AS6167 Verizon Business	`12.43ms` from Atlanta, US
12.79.201.226	AS7018 AT&T Enterprises, LLC	`0.84ms` from Atlanta, US
159.147.251.226	AS12430 VODAFONE ESPANA S.A.U.	`4.21ms` from Barcelona, ES

Traceroute

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

traceroute -a -n -q1 203.250.85.25

traceroute to 203.250.85.25 (203.250.85.25): 64 hops max, 52 byte packets

1 [AS7195] 200.25.36.66 2.163 ms

2 [AS3356] 8.243.52.45 1.115 ms

3 [AS3356] 4.69.219.45 142.129 ms

4 [AS3356] 4.68.37.206 132.948 ms

5 [AS4766] 112.174.89.249 720.849 ms

6 [AS4766] 112.174.91.73 260.742 ms

7 *

8 *

9 [AS4766] 222.97.96.34 262.948 ms

10 [AS4766] 218.154.149.2 262.278 ms

11 [AS4766] 61.76.167.188 261.696 ms

12 [AS55618] 203.250.95.162 262.949 ms

13 [AS55618] 203.250.95.254 263.203 ms

14 [AS55618] 203.250.85.25 267.983 ms

Measurement taken from

IPinfo ProbeNet in Fortaleza, BR

On December 20th 2025

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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 AS55618 at robtex.

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