203.131.208.0/23

AS37992 · Thammasat University in thailand

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Summary

Country	Thailand
Domain	tu.ac.th
ASN	AS37992
Parent Range	203.131.208.0/20
Registry	APNIC
ID	THAMMASAT

WHOIS Details

inetnum:        203.131.208.0 - 203.131.223.255
netname:        THAMMASAT
descr:          Thammasat University
descr:          2 Phrachan Road, Phranakorn, Bangkok 10200, Thailand
country:        TH
org:            ORG-TU2-AP
admin-c:        SK1310-AP
tech-c:         SK1310-AP
abuse-c:        AT1190-AP
status:         ALLOCATED PORTABLE
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
mnt-by:         APNIC-HM
mnt-lower:      MAINT-TH-TU
mnt-routes:     MAINT-TH-TU
mnt-irt:        IRT-THAMMASAT-TH
last-modified:  2020-10-20T00:57:37Z
source:         APNIC

irt:            IRT-THAMMASAT-TH
address:        2 Phrachan Road, Phranakorn, Bangkok 10200, Thailand
e-mail:         mit@tu.ac.th
abuse-mailbox:  mit@tu.ac.th
admin-c:        NS809-AP
tech-c:         NS809-AP
auth:           # Filtered
remarks:        mit@tu.ac.th was validated on 2026-02-17
mnt-by:         MAINT-TH-TU
last-modified:  2026-02-17T13:22:45Z
source:         APNIC

organisation:   ORG-TU2-AP
org-name:       Thammasat University
org-type:       LIR
country:        TH
address:        2 Phrachan Road, Phranakorn
phone:          +66-2613-3456
fax-no:         +66-2953-0541
e-mail:         mit@tu.ac.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-07-15T13:00:17Z
source:         APNIC

role:           ABUSE THAMMASATTH
country:        ZZ
address:        2 Phrachan Road, Phranakorn, Bangkok 10200, Thailand
phone:          +000000000
e-mail:         mit@tu.ac.th
admin-c:        NS809-AP
tech-c:         NS809-AP
nic-hdl:        AT1190-AP
remarks:        Generated from irt object IRT-THAMMASAT-TH
remarks:        mit@tu.ac.th was validated on 2026-02-17
abuse-mailbox:  mit@tu.ac.th
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-17T13:23:08Z
source:         APNIC

person:         Sathaporn Koraksawet
nic-hdl:        SK1310-AP
e-mail:         stp@tu.ac.th
address:        2 Phrachan Road, Phranakorn, Bangkok 10200, Thailand
phone:          +662-613-3456
fax-no:         +662-953-0541
country:        TH
mnt-by:         MAINT-TH-TU
last-modified:  2016-12-28T07:12:35Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.131.208.0/23

Range	ASN	Company	Num of IPs
203.131.208.0/20	AS37992	Thammasat University	4,096

Nearby Ranges

BGP prefixes that overlap with 203.131.0.0/16

Range	ASN	Company	Num of IPs
203.131.128.0/18	AS7629	VITRO INC.	16,384
203.131.64.0/18	AS7629	EPLDT, INC	16,384
203.131.96.0/19	AS7629	VITRO INC.	8,192
203.131.64.0/20	AS7629	VITRO INC.	4,096
203.131.80.0/20	AS7629	VITRO INC.	4,096
203.131.192.0/20	AS17707	NHN Techorus Corp.	4,096
203.131.224.0/20	AS9293	HKNet Company Limited	4,096
203.131.240.0/20	AS2914	NTT Ltd Japan Corporation	4,096
203.131.208.0/20	AS37992	Thammasat University	4,096

Hosted domains

There are 8 domain names hosted across 6 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.131.209.171	tumir.org	1
203.131.208.27	24465864.xyz	1
203.131.209.3	webapp.in.th	1
203.131.209.90	prapun.com	1
203.131.209.219	tuhlearning.com	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

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

IP Address	ASN	Details
203.131.208.34	AS37992 Thammasat University in thailand	`1.56ms` from Bangkok, TH
203.131.209.236	AS37992 Thammasat University in thailand	`1.57ms` from Bangkok, TH

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
51.222.141.231	AS16276 OVH SAS	`0.12ms` from Beauharnois, CA
201.220.19.135	AS52413 MADACOM SRL	`1.30ms` from Buenos Aires, AR
97.179.243.231	AS6167 Verizon Business	`19.38ms` from Chicago, US
97.137.136.135	AS6167 Verizon Business	`17.00ms` from Chicago, US
18.218.103.231	AS16509 Amazon.com, Inc.	`0.11ms` from Columbus, US
91.57.199.183	AS3320 Deutsche Telekom AG	`7.98ms` from Frankfurt am Main, DE
188.150.63.199	AS1257 Tele2 Sverige AB	`1.21ms` from Goeteborg, SE
203.131.247.39	AS2914 NTT America, Inc.	`0.18ms` from Hanoi, VN
95.56.108.151	AS9198 JSC Kazakhtelecom	`4.81ms` from Karagandy, KZ
81.156.98.135	AS2856 British Telecommunications PLC	`4.56ms` from London, GB
112.211.66.151	AS9299 Philippine Long Distance Telephone Company	`1.02ms` from Manila, PH
79.62.195.119	AS3269 Telecom Italia S.p.A.	`4.87ms` from Milan, IT
24.118.66.7	AS7922 Comcast Cable Communications, LLC	`4.39ms` from Minneapolis, US
184.85.136.215	AS16625 Akamai Technologies, Inc.	`0.09ms` from Osasco, BR
110.74.194.247	AS38901 EZECOM CO., LTD.	`0.61ms` from Phnom Penh, KH
107.136.188.199	AS7018 AT&T Enterprises, LLC	`19.40ms` from San Jose, US
180.159.16.135	AS4812 China Telecom (Group)	`3.30ms` from Shanghai, CN
113.234.48.215	AS4837 CHINA UNICOM China169 Backbone	`10.78ms` from Tieling, CN
115.190.201.199	AS137718 Beijing Volcano Engine Technology Co., Ltd.	`4.27ms` from Beijing, CN
69.131.118.7	AS4181 TDS TELECOM	`15.41ms` from Chicago, US
23.127.16.199	AS7018 AT&T Enterprises, LLC	`3.81ms` from Chicago, US
174.97.42.7	AS10796 Charter Communications Inc	`17.51ms` from Columbus, US
139.38.116.247	AS5972 United States Department of Defense (DoD)	`10.69ms` from Dallas, US
3.252.182.23	AS16509 Amazon.com, Inc.	`0.98ms` from Dublin, IE
140.182.216.247	AS87 Indiana University	`1.93ms` from Indianapolis, US

Traceroute

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

traceroute -a -n -q1 203.131.208.10

traceroute to 203.131.208.10 (203.131.208.10): 64 hops max, 52 byte packets

1 [AS15169] 64.233.174.23 1.205 ms

2 [AS38082] 113.21.242.62 3.525 ms

3 [AS37992] 203.131.208.10 48.393 ms

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On April 13th 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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