203.172.77.0/24

AS4750 · CS LOXINFO PUBLIC COMPANY LIMITED

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Summary

Country	Thailand
Domain	csloxinfo.net
ASN	AS4750
Registry	APNIC
ID	CSC

WHOIS Details

inetnum:        203.172.72.0 - 203.172.79.255
netname:        CSC
descr:          CS LoxInfo Public COmpany Limited
descr:          973 President Tower
descr:          11th Floor, Ploenchit Road
descr:          Lumpini Pathumwan, Bangkok 10330
country:        TH
org:            ORG-CLPC1-AP
admin-c:        LIA1-AP
tech-c:         LIA1-AP
abuse-c:        AC1613-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      Loxinfo-IS
mnt-irt:        IRT-CSLOXINFO-TH
last-modified:  2024-07-18T04:23:56Z
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

route:          203.172.76.0/24
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:  2025-05-29T00:39:41Z
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
203.172.109.0/24	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
203.172.38.0/24	AS4750	reassign to CSLOXINFO-IDC	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 is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
203.172.77.90	vitabarentz.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

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Pingable IPs

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

IP Address	ASN	Details
203.172.77.85	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.76ms` 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
83.136.19.88	AS31673 Uniserver Internet B.V.	`0.74ms` from Amsterdam, NL
52.6.227.216	AS14618 Amazon.com, Inc.	`0.51ms` from Ashburn, US
60.5.180.56	AS4837 CHINA UNICOM China169 Backbone	`10.28ms` from Beijing, CN
2.206.46.152	AS3209 Vodafone GmbH	`4.25ms` from Berlin, DE
44.246.68.8	AS16509 Amazon.com, Inc.	`0.19ms` from Boardman, US
3.134.208.56	AS16509 Amazon.com, Inc.	`0.12ms` from Columbus, US
90.69.99.8	AS12479 Orange Espagne SA	`11.16ms` from Madrid, ES
49.144.218.200	AS9299 Philippine Long Distance Telephone Company	`3.56ms` from Manila, PH
93.209.229.40	AS3320 Deutsche Telekom AG	`3.87ms` from Nuernberg, DE
88.88.174.56	AS2119 Telenor Norge AS	`6.06ms` from Oslo, NO
152.166.238.40	AS28118 ALTICE DOMINICANA S.A.	`2.73ms` from Santo Domingo, DO
191.17.95.88	AS27699 TELEFÔNICA BRASIL S.A	`1.72ms` from Sao Paulo, BR
149.118.71.168	AS31898 Oracle Corporation	`0.18ms` from Sydney, AU
34.130.241.56	AS396982 Google LLC	`0.12ms` from Toronto, CA
159.8.254.120	AS36351 IBM Cloud	`1.17ms` from Amsterdam, NL
139.84.151.72	AS20473 The Constant Company, LLC	`0.16ms` from Bengaluru, IN
27.15.73.216	AS4837 CHINA UNICOM China169 Backbone	`3.61ms` from Chongqing, CN
5.35.105.56	AS208795 "Cloud Services Kazakhstan" LLP	`4.42ms` from Karagandy, KZ
88.151.218.24	AS41811 CONVERGENCE (GROUP NETWORKS) LIMITED	`0.59ms` from London, GB
76.70.237.168	AS577 Bell Canada	`10.30ms` from Montreal, CA
195.122.16.168	AS12578 SIA Tet	`0.48ms` from Riga, LV
52.62.110.152	AS16509 Amazon.com, Inc.	`0.14ms` from Sydney, AU
54.149.47.216	AS16509 Amazon.com, Inc.	`0.21ms` from Boardman, US
160.1.65.40	AS8987 Amazon Data Services Ireland Ltd	`0.34ms` from Boardman, US
13.249.134.200	AS16509 Amazon.com, Inc.	`0.09ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f2 203.172.77.82

traceroute to 203.172.77.82 (203.172.77.82): 64 hops max, 52 byte packets

2 [] 203.159.68.108 2.487 ms

3 [AS4750] 203.170.172.94 4.599 ms

4 [AS4750] 203.170.200.172 0.92 ms

5 [AS4750] 203.170.200.161 2.835 ms

6 *

7 [AS4750] 203.172.77.82 0.766 ms

Measurement taken from

IPinfo ProbeNet in Bangkok, TH

On March 21st 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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