203.146.53.0/24

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:        203.146.53.0 - 203.146.53.255
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:  2024-07-18T04:23:49Z
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
203.146.138.0/23	AS4750	CS Loxinfo Public Company Limited	512
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
203.146.202.0/24	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 no domains currently hosted on this ASN.

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
203.146.53.97	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.68ms` 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
18.209.38.56	AS14618 Amazon.com, Inc.	`0.49ms` from Ashburn, US
146.198.183.184	AS6871 Plusnet	`5.38ms` from Erith, GB
62.148.117.24	AS206175 Meidan IT ja talous Oy	`9.80ms` from Helsinki, FI
46.238.145.72	AS21351 Canal + Telecom SAS	`0.90ms` from Le Lamentin, MQ
98.145.26.152	AS20001 Charter Communications Inc	`8.61ms` from Los Angeles, US
45.91.188.72	AS9009 M247 Europe SRL	`0.26ms` from Los Angeles, US
112.204.152.248	AS9299 Philippine Long Distance Telephone Company	`1.11ms` from Manila, PH
73.124.208.216	AS7922 Comcast Cable Communications, LLC	`9.05ms` from Miami, US
173.31.65.72	AS30036 Mediacom Communications Corp	`13.41ms` from Minneapolis, US
5.143.152.56	AS12389 PJSC Rostelecom	`17.56ms` from Moscow, RU
174.177.82.248	AS7922 Comcast Cable Communications, LLC	`14.18ms` from Murfreesboro, US
89.116.48.8	AS46475 Limestone Networks, Inc.	`0.23ms` from New York City, US
5.128.203.40	AS31200 Novotelecom Ltd	`1.33ms` from Novosibirsk, RU
78.198.69.56	AS12322 Free SAS	`1.29ms` from Paris, FR
47.25.74.200	AS20115 Charter Communications LLC	`10.13ms` from San Jose, US
135.134.159.8	AS4181 TDS TELECOM	`7.54ms` from Seattle, US
102.190.112.152	AS24835 Vodafone Data	`6.47ms` from Cairo, EG
143.83.216.24	AS5972 United States Department of Defense (DoD)	`10.84ms` from Dallas, US
93.197.19.152	AS3320 Deutsche Telekom AG	`2.95ms` from Nuernberg, DE
177.18.77.104	AS18881 TELEFÔNICA BRASIL S.A	`3.94ms` from Osasco, BR
104.153.75.24	AS10753 Level 3 Parent, LLC	`1.66ms` from Phoenix, US
187.233.68.8	AS8151 UNINET	`11.63ms` from Santiago de Queretaro, MX
177.224.232.8	AS13999 Mega Cable, S.A. de C.V.	`5.73ms` from Santiago de Querétaro, MX
20.247.136.168	AS8075 Microsoft Corporation	`0.47ms` from Singapore, SG
114.37.153.72	AS3462 Data Communication Business Group	`1.24ms` from Taipei, TW

Traceroute

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

traceroute -a -n -q1 -f2 203.146.53.21

traceroute to 203.146.53.21 (203.146.53.21): 64 hops max, 52 byte packets

2 [] 203.159.68.108 3.515 ms

3 [AS4750] 203.170.172.94 3.923 ms

4 [AS4750] 203.170.200.58 0.692 ms

5 [AS4750] 203.146.53.21 0.782 ms

Measurement taken from

IPinfo ProbeNet in Bangkok, TH

On March 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.

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