203.172.38.0/24

AS4750 · CS LOXINFO PUBLIC COMPANY LIMITED

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Summary

Country	Thailand
Domain	csloxinfo.net
ASN	AS4750
Registry	APNIC
ID	IDC-CSLOXINFO

WHOIS Details

inetnum:        203.172.38.0 - 203.172.38.255
netname:        idc-csloxinfo
descr:          reassign to CSLOXINFO-IDC
descr:          contact dc@csloxinfo.net
country:        TH
admin-c:        LIA1-AP
tech-c:         LIA1-AP
abuse-c:        AC1613-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         LOXINFO-IS
mnt-irt:        IRT-CSLOXINFO-TH
last-modified:  2021-01-20T01:50:19Z
source:         APNIC

irt:            IRT-CSLOXINFO-TH
address:        CW Tower
address:        Ratchadapisek Road, Huai Khwang, Bangkok 10310
phone:          +66 2 2638000
fax-no:         +66 2 2638790
e-mail:         csl-ip-admin@ais.co.th
abuse-mailbox:  csl-ip-admin@ais.co.th
admin-c:        LIA1-AP
tech-c:         LIA1-AP
auth:           # Filtered
remarks:        csl-ip-admin@ais.co.th was validated on 2025-09-04
mnt-by:         CSLOXINFO-IS
last-modified:  2025-11-18T10:47:13Z
source:         APNIC

role:           ABUSE CSLOXINFOTH
country:        ZZ
address:        CW Tower
address:        Ratchadapisek Road, Huai Khwang, Bangkok 10310
phone:          +66 2 2638000
e-mail:         csl-ip-admin@ais.co.th
admin-c:        LIA1-AP
tech-c:         LIA1-AP
nic-hdl:        AC1613-AP
remarks:        Generated from irt object IRT-CSLOXINFO-TH
remarks:        csl-ip-admin@ais.co.th was validated on 2025-09-04
abuse-mailbox:  csl-ip-admin@ais.co.th
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-04T22:49:47Z
source:         APNIC

role:           Loxinfo IP Admins
remarks:        CS LOXINFO PUBLIC COMPANY LIMITED
address:        CW Tower
address:        Ratchadapisek Road, Huai Khwang, Bangkok 10310
country:        TH
phone:          +66-2263-8000
fax-no:         +66-2263-8790
e-mail:         csl-ip-admin@ais.co.th
admin-c:        LIA1-AP
tech-c:         LIA1-AP
nic-hdl:        LIA1-AP
mnt-by:         CSLOXINFO-IS
last-modified:  2026-01-12T02:24:09Z
source:         APNIC

route:          203.172.38.0/24
origin:         AS4750
descr:          CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang
mnt-by:         LOXINFO-IS
last-modified:  2025-05-29T00:38:34Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.172.0.0/16

Range	ASN	Company	Num of IPs
203.172.128.0/17	AS23974	Ministry of Education - EMISC	32,768
203.172.0.0/19	AS7629	VITRO INC.	8,192
203.172.16.0/20	AS7629	VITRO INC.	4,096
203.172.40.0/22	AS9891	CS Loxinfo Public Company Limited	1,024
203.172.48.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.172.64.0/22	AS4750	CS LoxInfo Public COmpany Limited	1,024
203.172.114.0/23	AS4750	CS LoxInfo Public COmpany Limited	512
203.172.46.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.172.59.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.172.63.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.172.89.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.172.90.0/24	AS45458	Blue Worth_Corporate Internet	256
203.172.91.0/24	AS45458	Blue Worth_Corporate Internet	256
203.172.109.0/24	AS4750	CS LoxInfo Public COmpany Limited	256
203.172.110.0/24	AS4750	CS LoxInfo Public COmpany Limited	256
203.172.116.0/24	AS4750	CS LoxInfo Public COmpany Limited	256
203.172.119.0/24	AS4750	reassign to Loopback for BN at The Cloud	256
203.172.126.0/24	AS4750	reassign to Renaissance Bangkok Hotel Ratchaprasong	256
203.172.36.0/24	AS4750	reassign to Wan IP for Corporate customer(Cloud)	256
203.172.37.0/24	AS4750	reassign to Wan IP for Corporate customer(Cloud)	256
203.172.39.0/24	AS4750	reassign to WHA INFONITE CO.,Ltd.	256
203.172.45.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.172.51.0/24	AS4750	reassign to Wan IP for Corporate customer(Cloud)(/31)	256
203.172.53.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.172.54.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.172.58.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.172.60.0/24	AS4750	reassign to Wan IP for Bangkok(Cyberworld)	256
203.172.61.0/24	AS4750	reassign to Corporate Wan for Cyberworld	256
203.172.62.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.172.69.0/24	AS4750	CS LoxInfo Public COmpany Limited	256
203.172.70.0/24	AS4750	reassign to Management for service broadband	256
203.172.71.0/24	AS4750	reassign to Management for service broadband	256
203.172.78.0/24	AS4750	reassign to Hyatt Place Sukhumvit Bangkok (Pioneer Property Co., Ltd )	256
203.172.79.0/24	AS4750	reassign to Wan IP for Corporate customer(Cloud)(/31)	256
203.172.73.0/24	AS137392	reassign to KTB Securities (Thailand) Co., Ltd.	256
203.172.93.0/24	AS4750	CS LoxInfo Public COmpany Limited	256
203.172.95.0/24	AS4750	CS LoxInfo Public COmpany Limited	256
203.172.88.0/24	AS4750	CS LoxInfo Public COmpany Limited	256
203.172.108.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.172.111.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.172.112.0/24	AS45458	reassign to ¸£ ¸° ¸š ¸š mass mail marketing	256
203.172.117.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.172.44.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.172.52.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.172.55.0/24	AS45458	Advanced Wireless Network Company Limited	256

Hosted domains

There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.172.38.5	thaipropertyonline.com	1
203.172.38.250	imct.co.th	1

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
203.172.38.81	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`1.70ms` 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
178.226.121.232	AS50266 Odido Netherlands B.V.	`16.41ms` from Amsterdam, NL
54.191.233.104	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
24.218.26.104	AS7922 Comcast Cable Communications, LLC	`7.03ms` from Boston, US
71.192.6.8	AS7922 Comcast Cable Communications, LLC	`7.46ms` from Boston, US
78.22.164.168	AS6848 Telenet BV	`5.29ms` from Brussels, BE
108.250.169.200	AS7018 AT&T Enterprises, LLC	`2.51ms` from Dallas, US
50.38.61.8	AS20055 Wholesail networks LLC	`1.13ms` from Hillsboro, US
154.211.29.8	AS9304 HGC Global Communications Limited	`3.05ms` from Hong Kong, HK
116.39.93.24	AS17858 LG POWERCOMM	`1.46ms` from Incheon, KR
95.13.75.104	AS9121 Turk Telekomunikasyon Anonim Sirketi	`7.50ms` from Istanbul, TR
68.92.143.184	AS7018 AT&T Enterprises, LLC	`1.21ms` from Kansas City, US
151.16.33.152	AS1267 WIND TRE S.P.A.	`12.98ms` from Milan, IT
52.71.111.88	AS14618 Amazon.com, Inc.	`0.23ms` from Reston, US
175.249.138.200	AS4766 Korea Telecom	`1.67ms` from Seoul, KR
47.128.152.120	AS16509 Amazon.com, Inc.	`0.58ms` from Singapore, SG
69.231.156.136	AS135629 Ningxia West Cloud Data Technology Co.Ltd.	`0.48ms` from Zhongwei, CN
20.62.114.56	AS8075 Microsoft Corporation	`0.23ms` from Boydton, US
109.163.187.8	AS9146 BIHNET Autonomus System	`4.28ms` from Novi Travnik, BA
160.92.167.168	AS8677 Worldline SA	`4.64ms` from Paris, FR
159.207.248.8	AS9328 DATACOM SYSTEMS (AU) PTY LTD	`0.80ms` from Perth, AU
64.46.196.136	AS10962 Cerner Corporation	`2.38ms` from Philadelphia, US
118.62.8.24	AS4766 Korea Telecom	`2.93ms` from Seoul, KR
36.234.123.104	AS3462 Data Communication Business Group	`1.94ms` from Taichung, TW
115.62.209.216	AS4837 CHINA UNICOM China169 Backbone	`3.46ms` from Zhengzhou, CN
68.47.140.72	AS7922 Comcast Cable Communications, LLC	`11.09ms` from Atlanta, US

Traceroute

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

traceroute -a -n -q1 -f5 203.172.38.225

traceroute to 203.172.38.225 (203.172.38.225): 64 hops max, 52 byte packets

5 [AS64050] 61.19.60.146 1.559 ms

6 [AS4750] 202.183.233.41 3.587 ms

7 [AS4750] 203.170.200.174 1.438 ms

8 [AS4750] 203.170.200.165 1.426 ms

9 [AS4750] 203.172.38.225 2.447 ms

Measurement taken from

IPinfo ProbeNet in Bangkok, TH

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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