1. All IP Ranges
  2. 203.0.0.0/8
  3. 203.146.0.0/16
  4. AS9891  | 203.146.21.0/24

203.146.21.0/24

AS9891  ·  CS LOXINFO Public Company Limited.

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Summary

Country Thailand
Domain csloxinfo.net
ASN AS9891
Parent Range 203.146.20.0/22
Registry APNIC
ID IDC-CSLOXINFO

WHOIS Details

inetnum:        203.146.21.0 - 203.146.21.255
netname:        idc-csloxinfo
descr:          CSLOXINFO-IDC
descr:          contact
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:  2021-01-20T01:50:21Z
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:         ip_admin@csloxinfo.net
admin-c:        LIA1-AP
tech-c:         LIA1-AP
nic-hdl:        LIA1-AP
mnt-by:         CSLOXINFO-IS
last-modified:  2017-06-09T17:43:45Z
source:         APNIC

route:          203.146.21.0/24
origin:         AS9891
descr:          CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang
mnt-by:         LOXINFO-IS
last-modified:  2025-05-28T11:47:20Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.146.21.0/24

Range ASN Company Num of IPs
203.146.20.0/22 AS4750 CS Loxinfo Public Company Limited 1,024

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
203.146.20.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.212.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.48.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.188.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.192.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.140.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.176.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.168.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.152.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.84.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.112.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.100.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.104.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.40.0/22 AS4750 CS Loxinfo Public Company Limited 1,024
203.146.156.0/23 AS4750 CS Loxinfo Public Company Limited 512
203.146.172.0/23 AS4750 CS Loxinfo Public Company Limited 512
203.146.180.0/23 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
203.146.96.0/23 AS4750 CS Loxinfo Public Company Limited 512
203.146.138.0/23 AS4750 CS Loxinfo Public Company Limited 512
203.146.132.0/24 AS45458 Advanced Wireless Network Company Limited 256
203.146.99.0/24 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
203.146.75.0/24 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
203.146.159.0/24 AS4750 CS Loxinfo Public Company Limited 256
203.146.230.0/24 AS45458 Advanced Wireless Network Company Limited 256
203.146.16.0/24 AS4750 CS Loxinfo Public Company Limited 256
203.146.227.0/24 AS45458 Advanced Wireless Network Company Limited 256
203.146.63.0/24 AS38444 reassign to Advanced Info Service 256
203.146.175.0/24 AS4750 CS Loxinfo Public Company Limited 256
203.146.207.0/24 AS133481 Advanced Wireless Network Company Limited 256
203.146.136.0/24 AS4750 CS Loxinfo Public Company Limited 256
203.146.183.0/24 AS4750 CS Loxinfo Public Company Limited 256
203.146.17.0/24 AS45458 Advanced Wireless Network Company Limited 256

Hosted domains

There are 23 domain names hosted across 14 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
203.146.21.240 goldtraders.or.th 4
203.146.21.155 btsgroup-coop.com 4
203.146.21.246 bluematch.in.th 2
203.146.21.241 thaigold.info 2
203.146.21.157 iamzaa.com 2
203.146.21.196 lasikthai.com 1
203.146.21.245 mst-dealer.com 1
203.146.21.239 fillteach.com 1
203.146.21.5 silkspan.net 1
203.146.21.248 ersthailand.com 1
203.146.21.224 clubnutricia.com 1
203.146.21.153 koalamarch.com 1
203.146.21.219 reicth.com 1
203.146.21.159 seksun.co.th 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.
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Pingable IPs

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

IP Address ASN Details
203.146.21.8 AS9891 CS LOXINFO Public Company Limited. 0.55ms 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
98.122.62.72 AS11426 Charter Communications Inc 15.24ms from Charlotte, US
20.234.112.88 AS8075 Microsoft Corporation 0.15ms from Dublin, IE
79.217.145.8 AS3320 Deutsche Telekom AG 5.91ms from Duesseldorf, DE
82.11.101.40 AS5089 Virgin Media Limited 4.99ms from Erith, GB
6.14.225.104 AS668 United States Department of Defense (DoD) 1.77ms from Los Angeles, US
2.4.7.136 AS3215 Orange S.A. 10.50ms from Marseille, FR
68.47.68.216 AS7922 Comcast Cable Communications, LLC 6.49ms from Minneapolis, US
24.228.129.88 AS6128 Cablevision Systems Corp. 8.43ms from Newark, US
153.132.14.120 AS4713 NTT DOCOMO BUSINESS,Inc. 5.15ms from Osaka, JP
27.193.137.152 AS4837 CHINA UNICOM China169 Backbone 2.97ms from Qingdao, CN
95.78.121.200 AS42116 JSC "ER-Telecom Holding" 11.58ms from Samara, RU
185.232.114.8 AS59865 Ivent Mobile bv 0.24ms from Sydney, AU
61.227.123.168 AS3462 Data Communication Business Group 6.63ms from Taichung, TW
78.134.210.72 AS35549 A1 Hrvatska d.o.o. 0.63ms from Zagreb, HR
97.187.208.72 AS6167 Verizon Business 19.17ms from Ashburn, US
68.184.153.24 AS20115 Charter Communications LLC 5.70ms from Atlanta, US
103.180.112.104 AS149474 Your Net 1.13ms from Dhaka, BD
176.61.3.24 AS6830 Liberty Global Europe Holding B.V. 6.88ms from Dublin, IE
93.195.30.216 AS3320 Deutsche Telekom AG 3.33ms from Frankfurt am Main, DE
156.240.250.168 AS399077 Tcloudnet 0.98ms from Hong Kong, HK
103.145.88.8 AS139794 Glovis India Anathapur Private Limited 13.06ms from Hyderabad, IN
186.53.206.184 AS6057 Administracion Nacional de Telecomunicaciones 1.57ms from Montevideo, UY
81.13.86.24 AS5523 CREDO TELECOM 0.87ms from Moscow, RU
70.23.140.216 AS701 Verizon Business 2.47ms from New York City, US
133.208.223.200 AS2518 BIGLOBE Inc. 4.12ms from Osaka, JP

Traceroute

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

$
traceroute -a -n -q1 -f2 203.146.21.209
traceroute to 203.146.21.209 (203.146.21.209): 64 hops max, 52 byte packets
2 [] 203.159.68.108 2.545 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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