1. All IP Ranges
  2. 203.0.0.0/8
  3. 203.172.0.0/16
  4. AS4750  | 203.172.37.0/24

203.172.37.0/24

AS4750  ·  CS LOXINFO PUBLIC COMPANY LIMITED

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Summary

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

WHOIS Details

inetnum:        203.172.37.0 - 203.172.37.255
netname:        wan-csloxinfo
descr:          reassign to Wan IP for Corporate customer(Cloud)
descr:          contact ip_admin@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:  2021-01-20T01:51:22Z
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:          203.172.37.0/24
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:  2025-05-29T00:38:27Z
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
203.172.38.0/24 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 are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
203.172.37.9 AS4750 CS LOXINFO PUBLIC COMPANY LIMITED 0.65ms 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
73.43.84.216 AS7922 Comcast Cable Communications, LLC 4.36ms from Atlanta, US
52.247.54.88 AS8075 Microsoft Corporation 0.18ms from Boydton, US
156.194.143.248 AS8452 TE-AS 7.94ms from Cairo, EG
217.80.30.104 AS3320 Deutsche Telekom AG 8.80ms from Frankfurt am Main, DE
69.150.71.56 AS7018 AT&T Enterprises, LLC 8.08ms from Houston, US
118.52.184.72 AS4766 Korea Telecom 3.21ms from Incheon, KR
103.240.96.72 AS23860 Alliance Broadband Services Pvt. Ltd. 0.21ms from Kolkata, IN
79.210.93.104 AS3320 Deutsche Telekom AG 9.74ms from Nuernberg, DE
188.129.100.184 AS29485 A1 Hrvatska d.o.o. 1.75ms from Zagreb, HR
105.99.159.88 AS36947 Telecom Algeria 10.33ms from Algiers, DZ
217.110.162.232 AS8220 COLT Technology Services Group Limited 1.60ms from Berlin, DE
130.111.93.152 AS557 University of Maine System 7.89ms from Boston, US
89.186.96.40 AS20845 DIGI Tavkozlesi es Szolgaltato Kft. 1.01ms from Budapest, HU
182.74.248.72 AS9498 BHARTI Airtel Ltd. 1.03ms from Delhi, IN
67.0.90.24 AS209 CenturyLink Communications, LLC 11.09ms from Denver, US
72.44.91.104 AS36444 Liquid Web, L.L.C 0.50ms from Detroit, US
75.249.222.40 AS6167 Verizon Business 18.18ms from Herndon, US
139.193.97.232 AS23700 Linknet-Fastnet ASN 13.81ms from Jakarta, ID
178.93.106.104 AS2856 British Telecommunications PLC 1.34ms from London, GB
83.36.227.200 AS3352 TELEFONICA DE ESPANA S.A.U. 7.37ms from Madrid, ES
176.113.81.216 AS214822 MT FINANCE LLC 0.56ms from Moscow, RU
68.168.217.248 AS19318 Interserver, Inc 0.38ms from New York City, US
185.23.133.200 AS12826 CYLLENE ITS SAS 0.56ms from Paris, FR
27.201.74.24 AS4837 CHINA UNICOM China169 Backbone 6.06ms from Qingdao, CN
177.43.161.40 AS18881 TELEFÔNICA BRASIL S.A 0.99ms from Rio de Janeiro, BR

Traceroute

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

$
traceroute -a -n -q1 -f2 203.172.37.109
traceroute to 203.172.37.109 (203.172.37.109): 64 hops max, 52 byte packets
2 [] 203.159.68.108 3.114 ms
Measurement taken from IPinfo ProbeNet in Bangkok, TH
On

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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