161.200.188.0/24

AS3839 · Chulalongkorn University

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Summary

Country	Thailand
Domain	chula.ac.th
ASN	AS3839
Parent Range	161.200.0.0/16
Registry	APNIC
ID	CHULALONGKORN-TH

WHOIS Details

inetnum:        161.200.0.0 - 161.200.255.255
netname:        CHULALONGKORN-TH
descr:          Chulalongkorn University
country:        TH
org:            ORG-CU6-AP
admin-c:        CUA5-AP
tech-c:         CUA5-AP
abuse-c:        AC2641-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CHULALONGKORN-TH
mnt-routes:     MAINT-CHULALONGKORN-TH
mnt-irt:        IRT-CHULALONGKORN-TH
last-modified:  2023-07-05T01:31:17Z
source:         APNIC

irt:            IRT-CHULALONGKORN-TH
address:        254 Phayathai Road, Pathumwan Bangkok 10330
e-mail:         abuse@chula.ac.th
abuse-mailbox:  abuse@chula.ac.th
admin-c:        CUA5-AP
tech-c:         CUA5-AP
auth:           # Filtered
remarks:        abuse@chula.ac.th was validated on 2025-11-14
mnt-by:         MAINT-CHULALONGKORN-TH
last-modified:  2025-11-18T00:36:35Z
source:         APNIC

organisation:   ORG-CU6-AP
org-name:       Chulalongkorn University
org-type:       LIR
country:        TH
address:        254 Phayathai Road
phone:          +66-2215-3555
e-mail:         noc@chula.ac.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:19:06Z
source:         APNIC

role:           ABUSE CHULALONGKORNTH
country:        ZZ
address:        254 Phayathai Road, Pathumwan Bangkok 10330
phone:          +000000000
e-mail:         abuse@chula.ac.th
admin-c:        CUA5-AP
tech-c:         CUA5-AP
nic-hdl:        AC2641-AP
remarks:        Generated from irt object IRT-CHULALONGKORN-TH
remarks:        abuse@chula.ac.th was validated on 2025-11-14
abuse-mailbox:  abuse@chula.ac.th
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-14T08:14:11Z
source:         APNIC

role:           Chulalongkorn University administrator
address:        254 Phayathai Road, Pathumwan Bangkok 10330
country:        TH
phone:          +66-2215-3555
e-mail:         abuse@chula.ac.th
admin-c:        CUA5-AP
tech-c:         CUA5-AP
nic-hdl:        CUA5-AP
mnt-by:         MAINT-CHULALONGKORN-TH
last-modified:  2022-12-14T03:31:07Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 161.200.188.0/24

Range	ASN	Company	Num of IPs
161.200.0.0/16	AS3839	Chulalongkorn University	65,536

Nearby Ranges

BGP prefixes that overlap with 161.200.0.0/16

Range	ASN	Company	Num of IPs
161.200.0.0/16	AS3839	Chulalongkorn University	65,536

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

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
94.75.248.136	AS60781 LeaseWeb Netherlands B.V.	`0.24ms` from Amsterdam, NL
97.200.195.56	AS6167 Verizon Business	`11.13ms` from Atlanta, US
132.193.102.56	AS668 United States Department of Defense (DoD)	`0.60ms` from Atlanta, US
190.110.184.24	AS52372 COOPERATIVA ELECTRICA DE GENERAL DEHEZA LTDA.	`10.80ms` from Buenos Aires, AR
197.51.247.8	AS8452 TE-AS	`7.95ms` from Cairo, EG
98.220.86.24	AS7922 Comcast Cable Communications, LLC	`5.46ms` from Chicago, US
86.203.166.248	AS3215 Orange S.A.	`8.10ms` from Marseille, FR
24.103.209.232	AS11351 Charter Communications Inc	`9.54ms` from New York City, US
133.81.152.72	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`12.78ms` from Osaka, JP
88.186.48.136	AS12322 Free SAS	`5.93ms` from Paris, FR
14.92.104.168	AS4766 Korea Telecom	`3.60ms` from Seoul, KR
52.168.85.88	AS8075 Microsoft Corporation	`0.42ms` from Ashburn, US
110.164.216.168	AS45758 Triple T Broadband Public Company Limited	`3.96ms` from Bangkok, TH
139.130.56.88	AS1221 Telstra Limited	`3.21ms` from Brisbane, AU
197.255.15.56	AS37480 Cobranet Limited	`3.45ms` from Lagos, NG
79.168.105.136	AS2860 NOS COMUNICACOES, S.A.	`5.90ms` from Lisbon, PT
18.170.102.8	AS16509 Amazon.com, Inc.	`0.66ms` from London, GB
148.56.152.232	AS12430 VODAFONE ESPANA S.A.U.	`8.40ms` from Madrid, ES
15.184.1.8	AS16509 Amazon.com, Inc.	`0.11ms` from Manama, BH
112.203.215.88	AS9299 Philippine Long Distance Telephone Company	`0.82ms` from Manila, PH
49.190.201.248	AS4804 Microplex PTY LTD	`2.06ms` from Melbourne, AU
172.81.224.216	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.37ms` from Shanghai, CN
13.49.47.24	AS16509 Amazon.com, Inc.	`0.13ms` from Stockholm, SE
60.244.247.152	AS7482 Asia Pacific On-line Service Inc.	`4.02ms` from Taipei, TW
153.126.177.232	AS7684 SAKURA Internet Inc.	`16.34ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 -m4 161.200.188.4

traceroute to 161.200.188.4 (161.200.188.4): 4 hops max, 52 byte packets

1 [AS202422] 92.38.132.2 0.213 ms

2 *

3 *

4 *

Measurement taken from

IPinfo ProbeNet in Miami, US

On January 18th 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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