58.137.240.0/20

AS4750 · CS LOXINFO PUBLIC COMPANY LIMITED

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Summary

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

WHOIS Details

inetnum:        58.137.224.0 - 58.137.255.255
netname:        csloxinfo-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:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      LOXINFO-IS
mnt-irt:        IRT-CSLOXINFO-TH
last-modified:  2024-07-18T04:23:46Z
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

Overlapping Ranges

BGP prefixes that are contained by 58.137.240.0/20

Range	ASN	Company	Num of IPs
58.137.249.0/24	AS4750	reassign to SMTP Outgoing Pool	256
58.137.252.0/24	AS4750	reassign to WAN IP for Bangkok	256

Nearby Ranges

BGP prefixes that overlap with 58.137.0.0/16

Range	ASN	Company	Num of IPs
58.137.32.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.188.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.52.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.124.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.128.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.0.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.104.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.148.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.76.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.152.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.80.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.180.0/22	AS4750	CS Loxinfo Public Company Limited	1,024
58.137.176.0/23	AS140326	CS Loxinfo Public Company Limited	512
58.137.176.0/23	AS4750	CS Loxinfo Public Company Limited	512
58.137.122.0/23	AS4750	CS Loxinfo Public Company Limited	512
58.137.118.0/23	AS4750	CS Loxinfo Public Company Limited	512
58.137.114.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.120.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.133.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.147.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.185.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.204.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.205.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.206.0/24	AS45458	reassign to MEDIA ADC	256
58.137.207.0/24	AS45458	IP Public for UPF: VPN_N6_IPCBB_internet	256
58.137.50.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.75.0/24	AS45458	Advanced Wireless Network Company Limited	256
58.137.65.0/24	AS45530	reassign to Agoda Services Co.,Ltd.	256
58.137.217.0/24	AS45800	reassign to Suan Sunandha Rajabhat University	256
58.137.218.0/24	AS45800	reassign to Suan Sunandha Rajabhat University	256
58.137.95.0/24	AS45959	reassign to Thai Re Sevices Co.,Ltd.wait for return 16 ip)	256
58.137.111.0/24	AS4750	reassign to Bangkok Aviation Fuel Services PCL (BAFS)	256
58.137.115.0/24	AS4750	CS Loxinfo Public Company Limited	256
58.137.117.0/24	AS4750	CS Loxinfo Public Company Limited	256
58.137.121.0/24	AS4750	CS Loxinfo Public Company Limited	256
58.137.132.0/24	AS4750	CS Loxinfo Public Company Limited	256
58.137.146.0/24	AS4750	CS Loxinfo Public Company Limited	256
58.137.157.0/24	AS4750	CS Loxinfo Public Company Limited	256
58.137.160.0/24	AS4750	reassign to Shinee dot com	256
58.137.184.0/24	AS4750	CS Loxinfo Public Company Limited	256
58.137.195.0/24	AS4750	reassign to Courtyard Bangkok Hotel(in Marriot Group)	256
58.137.198.0/24	AS4750	reassign to Horizon Mobile Communications Co., Ltd.(Singtel)	256
58.137.203.0/24	AS4750	reassign to CPF IT Center Co.,Ltd	256
58.137.223.0/24	AS4750	reassign to Minor Information Technology Co.,Ltd	256
58.137.226.0/24	AS4750	reassign to Marriott Executive Apartments, Sathorn Vista – Bangkok	256
58.137.232.0/24	AS4750	reassign to Wan IP for Corporate customer	256
58.137.249.0/24	AS4750	reassign to SMTP Outgoing Pool	256
58.137.252.0/24	AS4750	reassign to WAN IP for Bangkok	256
58.137.27.0/24	AS4750	CS Loxinfo Public Company Limited	256
58.137.31.0/24	AS4750	CS Loxinfo Public Company Limited	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
58.137.246.61	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.68ms` from Bangkok, TH
58.137.247.105	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.63ms` from Bangkok, TH
58.137.252.9	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.65ms` from Bangkok, TH
58.137.242.53	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.58ms` from Bangkok, TH
58.137.248.221	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.63ms` from Bangkok, TH
58.137.245.209	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.64ms` from Bangkok, TH
58.137.243.57	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.64ms` from Bangkok, TH
58.137.253.121	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.63ms` from Bangkok, TH
58.137.254.152	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.50ms` from Bangkok, TH
58.137.244.113	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.60ms` from Bangkok, TH
58.137.249.213	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.52ms` from Bangkok, TH
58.137.250.9	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.64ms` from Bangkok, TH
58.137.255.142	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.56ms` from Bangkok, TH
58.137.251.69	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.63ms` from Bangkok, TH
58.137.241.165	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`0.65ms` from Bangkok, TH
58.137.240.69	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
208.75.48.4	AS21937 Estes Express Lines	`1.79ms` from Atlanta, US
208.102.50.20	AS6181 Cincinnati Bell Telephone Company LLC	`1.85ms` from Cincinnati, US
108.209.125.68	AS7018 AT&T Enterprises, LLC	`5.45ms` from Columbus, US
27.153.142.228	AS4134 CHINANET-BACKBONE	`4.70ms` from Fuzhou, CN
217.129.150.4	AS13156 NOWO COMMUNICATIONS, S.A.	`7.36ms` from Lisbon, PT
70.59.65.36	AS209 CenturyLink Communications, LLC	`2.06ms` from Minneapolis, US
132.226.174.228	AS31898 Oracle Corporation	`0.13ms` from Seoul, KR
203.47.208.132	AS1221 Telstra Limited	`1.94ms` from Sydney, AU
27.134.45.244	AS10013 FreeBit Co.,Ltd.	`5.22ms` from Tokyo, JP
221.247.24.148	AS17506 ARTERIA Networks Corporation	`1.12ms` from Tokyo, JP
23.111.226.100	AS7979 Servers.com, Inc.	`0.34ms` from Amsterdam, NL
162.253.34.116	AS63410 PrivateSystems Networks	`0.41ms` from Atlanta, US
81.83.251.180	AS6848 Telenet BV	`6.09ms` from Brussels, BE
196.119.137.228	AS36925 MEDITELECOM	`4.01ms` from Casablanca, MA
172.87.61.20	AS15294 Sentinel Technologies, Inc.	`0.22ms` from Chicago, US
131.239.39.36	AS46887 Crown Castle Fiber LLC	`7.02ms` from Chicago, US
74.138.236.52	AS10796 Charter Communications Inc	`17.16ms` from Cleveland, US
73.153.57.52	AS7922 Comcast Cable Communications, LLC	`5.13ms` from Denver, US
218.103.59.20	AS4515 PCCW IMS Ltd (PCCW Business Internet Access)	`0.91ms` from Hong Kong, HK
61.98.22.84	AS9318 SK Broadband Co Ltd	`1.94ms` from Incheon, KR
89.45.222.244	AS200845 AVATEL TELECOM, SA	`6.99ms` from Madrid, ES
88.1.30.196	AS3352 TELEFONICA DE ESPANA S.A.U.	`1.06ms` from Madrid, ES
189.254.33.4	AS8151 UNINET	`4.22ms` from Mexico City, MX
90.76.227.132	AS3215 Orange S.A.	`13.72ms` from Paris, FR
191.13.149.52	AS27699 TELEFÔNICA BRASIL S.A	`3.45ms` from São Paulo, BR

Traceroute

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

traceroute -a -n -q1 -f5 58.137.242.229

traceroute to 58.137.242.229 (58.137.242.229): 64 hops max, 52 byte packets

5 [AS3491] 116.206.112.11 1.244 ms

6 [AS4750] 203.170.172.90 2.405 ms

7 [AS4750] 203.170.200.54 1.557 ms

8 [AS4750] 58.137.242.229 1.345 ms

Measurement taken from

IPinfo ProbeNet in Bangkok, TH

On February 7th 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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