165.132.32.0/21

AS4665 · Yonsei University

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Summary

Country	South Korea
Domain	yonsei.ac.kr
ASN	AS4665
Parent Range	165.132.0.0/16
Registry	KRNIC
ID	YONSEI-NET-KR

WHOIS Details

inetnum:        165.132.0.0 - 165.132.255.255
netname:        YONSEI-NET-KR
descr:          Yonsei University
country:        KR
admin-c:        WS177-KR
tech-c:         WS177-KR
status:         ALLOCATED PORTABLE
mnt-by:         MNT-KRNIC-AP
mnt-irt:        IRT-KRNIC-KR
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:        Seoul Seodaemun-gu Yonsei-ro 50
address:        Yonsei University
country:        KR
phone:          +82-2-2123-3411
e-mail:         network@yonsei.ac.kr
nic-hdl:        WS177-KR
mnt-by:         MNT-KRNIC-AP
changed:        hostmaster@nic.or.kr
source:         KRNIC

Overlapping Ranges

BGP prefixes that contain 165.132.32.0/21

Range	ASN	Company	Num of IPs
165.132.0.0/16	AS131856	Yonsei University	65,536
165.132.0.0/16	AS4665	Yonsei University	65,536

Nearby Ranges

BGP prefixes that overlap with 165.132.0.0/16

Range	ASN	Company	Num of IPs
165.132.0.0/16	AS131856	Yonsei University	65,536
165.132.0.0/16	AS4665	Yonsei University	65,536

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
165.132.36.43	microbiome.re.kr	1

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

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

IP Address	ASN	Details
165.132.36.43	AS4665 Yonsei University	`2.25ms` from Seoul, KR
165.132.33.159	AS4665 Yonsei University	`2.33ms` from Incheon, KR
165.132.34.47	AS4665 Yonsei University	`1.34ms` 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
110.243.158.149	AS4837 CHINA UNICOM China169 Backbone	`14.16ms` from Beijing, CN
93.211.79.197	AS3320 Deutsche Telekom AG	`2.29ms` from Berlin, DE
103.89.14.69	AS36007 Kamatera, Inc.	`0.22ms` from Chicago, US
184.60.37.229	AS4181 TDS TELECOM	`9.55ms` from Chicago, US
175.126.36.53	AS9318 SK Broadband Co Ltd	`1.68ms` from Incheon, KR
84.255.202.69	AS34779 T-2, d.o.o.	`0.95ms` from Ljubljana, SI
57.144.121.133	AS32934 Facebook, Inc.	`0.37ms` from Marseille, FR
78.132.140.165	AS13056 PJSC Rostelecom	`9.72ms` from Moscow, RU
74.69.131.101	AS11351 Charter Communications Inc	`17.36ms` from New York City, US
217.249.254.245	AS3320 Deutsche Telekom AG	`6.07ms` from Nuernberg, DE
179.110.152.69	AS27699 TELEFÔNICA BRASIL S.A	`1.79ms` from Osasco, BR
172.234.50.229	AS63949 Akamai Connected Cloud	`0.15ms` from Singapore, SG
93.164.119.149	AS3292 TDC Holding A/S	`0.54ms` from Tønder, DK
178.116.167.229	AS6848 Telenet BV	`7.06ms` from Brussels, BE
211.53.209.117	AS3786 LG DACOM Corporation	`0.82ms` from Incheon, KR
38.106.111.165	AS19955 Pineland Telephone Cooperative, Inc.	`5.20ms` from Jacksonville, US
209.3.58.5	AS209 CenturyLink Communications, LLC	`2.22ms` from Las Vegas, US
95.138.0.117	AS21351 Canal + Telecom SAS	`8.09ms` from Le Lamentin, MQ
103.190.212.245	AS138296 Juweriyah Networks Private Limited	`0.20ms` from Mumbai, IN
220.200.136.69	AS4837 CHINA UNICOM China169 Backbone	`5.16ms` from Nanning, CN
202.239.112.197	AS2514 NTT PC Communications, Inc.	`0.42ms` from Osaka, JP
181.178.31.165	AS11556 Cable & Wireless Panama	`1.68ms` from Panama, PA
212.158.137.53	AS25248 RADIOKOMUNIKACE a.s.	`5.59ms` from Prague, CZ
27.217.91.165	AS4837 CHINA UNICOM China169 Backbone	`8.63ms` from Qingdao, CN
3.219.217.21	AS14618 Amazon.com, Inc.	`0.15ms` from Reston, US

Traceroute

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

traceroute -a -n -q1 165.132.34.47

traceroute to 165.132.34.47 (165.132.34.47): 64 hops max, 52 byte packets

1 [AS31898] 140.91.214.43 0.079 ms

2 [AS3786] 211.118.152.142 0.776 ms

3 *

4 [AS3786] 1.213.107.201 2.32 ms

5 [AS3786] 1.213.144.90 1.841 ms

6 [AS3786] 1.208.100.134 2.2 ms

7 [AS3786] 1.208.181.26 2.67 ms

8 [AS3786] 210.98.171.202 2.377 ms

9 *

10 *

11 [AS4665] 165.132.34.47 3.427 ms

Measurement taken from

IPinfo ProbeNet in Seoul, KR

On February 7th 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.

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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