203.146.138.0/23

AS4750 · CS LOXINFO PUBLIC COMPANY LIMITED

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Summary

Country	Thailand
Domain	csloxinfo.net
ASN	AS4750
Registry	APNIC
ID	LOXINFO-TH

WHOIS Details

inetnum:        203.146.138.0 - 203.146.139.255
netname:        LOXINFO-TH
descr:          CS Loxinfo Public Company Limited
descr:          90 Cyber World Tower A 17-20th floor
descr:          Ratchadapisek Rd Huai Kwang
country:        TH
org:            ORG-CLPC1-AP
admin-c:        LIA1-AP
tech-c:         LIA1-AP
abuse-c:        AC1613-AP
status:         ALLOCATED PORTABLE
remarks:        This is an Aggregated objects from the small /22s.
mnt-by:         APNIC-HM
mnt-lower:      LOXINFO-IS
mnt-irt:        IRT-CSLOXINFO-TH
last-modified:  2024-07-18T04:23:50Z
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

organisation:   ORG-CLPC1-AP
org-name:       CS Loxinfo Public Company Limited
org-type:       LIR
country:        TH
address:        90 CW Tower A 19-20th floor
address:        Ratchadapisek Rd
address:        Huai Kwang
phone:          +66-2263-8000
fax-no:         +66-2263-8790
e-mail:         csl-ip-admin@ais.co.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-06-04T12:55:09Z
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

Nearby Ranges

BGP prefixes that overlap with 203.146.0.0/16

Range	ASN	Company	Num of IPs
203.146.232.0/21	AS4750	CS Loxinfo Public Company Limited	2,048
203.146.84.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.212.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.40.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.20.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.192.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.140.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.48.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.176.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.152.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.112.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.188.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.100.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.104.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.168.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
203.146.180.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.146.172.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.146.156.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.146.96.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.146.54.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.146.82.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.146.196.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.146.186.0/23	AS4750	CS Loxinfo Public Company Limited	512
203.146.132.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.80.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.128.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.198.0/24	AS140326	Advanced Wireless Network Company Limited	256
203.146.76.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.108.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.146.75.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.109.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.52.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.45.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.74.0/24	AS45265	CS Loxinfo Public Company Limited	256
203.146.104.0/24	AS134682	reassign to True Universal Convergence Company Limited (Project : KGI)	256
203.146.185.0/24	AS133481	Advanced Wireless Network Company Limited	256
203.146.29.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.247.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.204.0/24	AS38448	reassign to Asia Plus Securities Plc.	256
203.146.16.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.146.159.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.146.230.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.227.0/24	AS45458	Advanced Wireless Network Company Limited	256
203.146.175.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.146.63.0/24	AS38444	reassign to Advanced Info Service	256
203.146.207.0/24	AS133481	Advanced Wireless Network Company Limited	256
203.146.183.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.146.184.0/24	AS4750	CS Loxinfo Public Company Limited	256
203.146.17.0/24	AS45458	Advanced Wireless Network Company Limited	256

Hosted domains

There are 2 domain names hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.146.139.206	wicthailand.com	2

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

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

IP Address	ASN	Details
203.146.138.2	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.53ms` from Bangkok, TH
203.146.139.12	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`1.19ms` 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
103.212.123.87	AS135288 Auckland Museum Trust Board	`0.26ms` from Auckland, NZ
75.128.190.7	AS20115 Charter Communications LLC	`11.19ms` from Chicago, US
15.73.180.7	AS54680 HP Inc.	`7.91ms` from Dallas, US
182.211.105.167	AS17858 LG POWERCOMM	`1.77ms` from Incheon, KR
94.101.82.23	AS42926 Radore Veri Merkezi Hizmetleri A.S.	`1.26ms` from Istanbul, TR
95.7.133.135	AS9121 Turk Telekomunikasyon Anonim Sirketi	`3.06ms` from Istanbul, TR
9.142.28.231	AS33659 Comcast Cable Communications, LLC	`2.17ms` from Morris Plains, US
68.32.236.199	AS7922 Comcast Cable Communications, LLC	`13.79ms` from Murfreesboro, US
4.251.156.119	AS8075 Microsoft Corporation	`0.27ms` from Paris, FR
121.129.43.167	AS4766 Korea Telecom	`1.32ms` from Seoul, KR
64.231.69.151	AS577 Bell Canada	`8.64ms` from Toronto, CA
70.49.164.87	AS577 Bell Canada	`3.85ms` from Toronto, CA
99.244.12.215	AS812 Rogers Communications Canada Inc.	`6.58ms` from Toronto, CA
41.107.157.55	AS36947 Telecom Algeria	`19.95ms` from Valencia, ES
92.66.231.71	AS1136 KPN B.V.	`0.46ms` from Amsterdam, NL
73.48.62.87	AS7922 Comcast Cable Communications, LLC	`12.60ms` from Chicago, US
8.136.225.231	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`5.71ms` from Hangzhou, CN
27.78.202.103	AS7552 Viettel Group	`2.80ms` from Ho Chi Minh City, VN
218.237.247.103	AS9318 SK Broadband Co Ltd	`1.49ms` from Incheon, KR
175.123.96.151	AS9318 SK Broadband Co Ltd	`1.39ms` from Incheon, KR
31.170.170.119	AS31724 Svyazist LLC	`6.63ms` from Kazan, RU
31.202.103.119	AS34700 MAXNET TELECOM, LTD	`7.31ms` from Kharkiv, UA
149.22.122.247	AS205826 CONTENTHOST LIMITED	`0.96ms` from London, GB
176.35.96.103	AS5413 Wavenet Limited	`4.30ms` from London, GB
138.4.1.247	AS766 RedIRIS Autonomous System	`0.99ms` from Madrid, ES

Traceroute

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

traceroute -a -n -q1 -f2 203.146.139.12

traceroute to 203.146.139.12 (203.146.139.12): 64 hops max, 52 byte packets

2 [] 203.159.68.108 2.377 ms

3 [AS4750] 203.170.172.94 3.983 ms

4 [AS4750] 203.146.139.12 2.928 ms

Measurement taken from

IPinfo ProbeNet in Bangkok, TH

On January 19th 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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