203.151.108.0/22

AS4618 · Internet Thailand Company Limited

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Summary

Country	Thailand
Domain	inter.net.th
ASN	AS4618
Parent Range	203.151.0.0/16
Registry	APNIC
ID	INET-TH

WHOIS Details

inetnum:        203.151.0.0 - 203.151.255.255
netname:        INET-TH
descr:          Internet Thailand Company Limited
country:        TH
org:            ORG-ITCL3-AP
admin-c:        INR1-AP
tech-c:         INR1-AP
abuse-c:        AI358-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-TH-INET
mnt-irt:        IRT-INET-TH
last-modified:  2020-11-20T04:03:49Z
source:         APNIC

irt:            IRT-INET-TH
address:        Internet Thailand Public Company Limited
address:        1768 Thai Summit Tower, 10th -12th Floor and IT Floor
address:        New Petchburi Road, Khwaeng Bang Kapi,
address:        Khet Huay Khwang, Bangkok 10310 Thailand
e-mail:         op-network@inet.co.th
abuse-mailbox:  op-network@inet.co.th
admin-c:        TY1494-AP
tech-c:         IP219-AP
auth:           # Filtered
remarks:        op-network@inet.co.th was validated on 2026-03-18
mnt-by:         MAINT-TH-INET
last-modified:  2026-03-18T07:00:20Z
source:         APNIC

organisation:   ORG-ITCL3-AP
org-name:       Internet Thailand Company Ltd.
org-type:       LIR
country:        TH
address:        1768 IFCT Tower, 10th-12th FL
address:        IT Floor New Petchburi Road
address:        Khwaeng Bang Kapi
address:        Khet Huay Khwang
phone:          +662-257-7000
fax-no:         +662-257-7222
e-mail:         noc@inet.co.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:42Z
source:         APNIC

role:           ABUSE INETTH
country:        ZZ
address:        Internet Thailand Public Company Limited
address:        1768 Thai Summit Tower, 10th -12th Floor and IT Floor
address:        New Petchburi Road, Khwaeng Bang Kapi,
address:        Khet Huay Khwang, Bangkok 10310 Thailand
phone:          +000000000
e-mail:         op-network@inet.co.th
admin-c:        TY1494-AP
tech-c:         IP219-AP
nic-hdl:        AI358-AP
remarks:        Generated from irt object IRT-INET-TH
remarks:        op-network@inet.co.th was validated on 2026-03-18
abuse-mailbox:  op-network@inet.co.th
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-18T07:00:37Z
source:         APNIC

role:           INET NOC ROLE
address:        1768 Thai Summit Tower, New Petchburi Road
address:        Khet Huay Khwang, Bangkok
address:        Thailand 10310
country:        TH
phone:          +662 02 2577000
fax-no:         +662 02 2577275
e-mail:         noc@inet.co.th
remarks:        send spam and abuse reports to noc@inet.co.th
admin-c:        CN7-AP
tech-c:         AP224-AP
tech-c:         IP219-AP
tech-c:         NL276-AP
nic-hdl:        INR1-AP
remarks:        http://www.inet.co.th
notify:         noc@inet.co.th
mnt-by:         MAINT-TH-INET
last-modified:  2024-09-19T08:38:11Z
source:         APNIC

route:          203.151.208.0/20
origin:         AS4618
descr:          Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang
mnt-by:         MAINT-TH-INET
last-modified:  2021-06-01T07:31:15Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.151.108.0/22

Range	ASN	Company	Num of IPs
203.151.0.0/16	AS4618	Internet Thailand Company Limited	65,536
203.151.0.0/16	AS56223	Internet Thailand Company Limited	65,536
203.151.0.0/16	AS133529	Internet Thailand Company Limited	65,536

Nearby Ranges

BGP prefixes that overlap with 203.151.0.0/16

Range	ASN	Company	Num of IPs
203.151.0.0/16	AS133529	Internet Thailand Company Limited	65,536
203.151.0.0/16	AS4618	Internet Thailand Company Limited	65,536
203.151.0.0/16	AS56223	Internet Thailand Company Limited	65,536
203.151.44.0/23	AS4618	Co-location Segment	512
203.151.232.0/23	AS4618	INET Datacenter net232	512
203.151.20.0/23	AS4618	INET Datacenter net20	512
203.151.147.0/24	AS4618	INET Coporate branch (South)	256
203.151.155.0/24	AS4618	Udomsuksa School	256
203.151.169.0/24	AS4618	Internet Thailand Public Company Limited	256
203.151.178.0/24	AS4618	Internet Thailand Co.,Ltd.(Webhosting Service)	256
203.151.238.0/24	AS4618	Customer of INET	256
203.151.39.0/24	AS4618	Khonkaen Internet Co.,Ltd.(Point Of Presence)	256
203.151.40.0/24	AS4618	The Federation of Thai Industries	256
203.151.46.0/24	AS4618	Office of the Permanent Secretary	256
203.151.51.0/24	AS4618	INET KKN Branch	256
203.151.85.0/24	AS4618	INET-TH	256
203.151.18.0/24	AS23644	Government Savings Bank	256
203.151.159.0/24	AS55932	The Thai Bond Dealing Centre	256
203.151.25.0/24	AS38184	INET ISDN	256
203.151.11.0/24	AS4618	INET NC Server	256
203.151.115.0/24	AS4618	Inet-Empower #2	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
203.151.110.114	smartroom.click	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

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

IP Address	ASN	Details
203.151.109.252	AS4618 Internet Thailand Company Limited	`0.83ms` from Bangkok, TH
203.151.110.254	AS4618 Internet Thailand Company Limited	`0.54ms` from Bangkok, TH
203.151.111.254	AS56223 Thai Summit Autopart Industry Co.,Ltd	`3.21ms` from Bangkok, TH
203.151.108.249	AS4618 Internet Thailand Company Limited	`2.92ms` 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
129.79.40.6	AS87 Indiana University	`6.00ms` from Chicago, US
93.232.207.22	AS3320 Deutsche Telekom AG	`7.78ms` from Frankfurt am Main, DE
136.165.248.150	AS1657 University of Louisville	`5.30ms` from Indianapolis, US
178.167.37.22	AS21453 Flex Ltd.	`3.07ms` from Moscow, RU
220.219.111.134	AS9997 Suzuka Cable Co.,Ltd	`2.62ms` from Osaka, JP
200.167.81.6	AS4230 CLARO S.A.	`7.00ms` from Rio de Janeiro, BR
151.75.248.150	AS1267 WIND TRE S.P.A.	`6.16ms` from Rome, IT
186.125.16.182	AS7303 Telecom Argentina S.A.	`1.07ms` from Rosario, AR
113.198.66.22	AS7560 Jeonbuk National University	`4.75ms` from Seoul, KR
31.179.132.22	AS9141 P4 Sp. z o.o.	`3.88ms` from Warsaw, PL
41.200.177.86	AS36947 Telecom Algeria	`15.38ms` from Algiers, DZ
99.70.25.150	AS7018 AT&T Enterprises, LLC	`2.14ms` from Atlanta, US
50.230.251.118	AS7922 Comcast Cable Communications, LLC	`1.54ms` from Atlanta, US
199.213.91.6	AS393952 Service Alberta	`6.78ms` from Calgary, CA
50.193.75.6	AS7922 Comcast Cable Communications, LLC	`6.23ms` from Chicago, US
113.162.24.70	AS45899 VNPT Corp	`2.48ms` from Hanoi, VN
47.63.119.70	AS12430 VODAFONE ESPANA S.A.U.	`4.12ms` from Madrid, ES
124.132.89.134	AS4837 CHINA UNICOM China169 Backbone	`7.80ms` from Qingdao, CN
211.198.233.102	AS4766 Korea Telecom	`5.34ms` from Seoul, KR
49.62.201.182	AS4766 Korea Telecom	`3.29ms` from Seoul, KR
157.107.90.150	AS4685 Asahi Net	`2.70ms` from Tokyo, JP
192.56.50.166	AS2685 AT&T Enterprises, LLC	`5.88ms` from Toronto, CA
73.201.113.22	AS7922 Comcast Cable Communications, LLC	`6.71ms` from Ashburn, US
103.246.52.38	AS134220 Lightwire LTD	`0.33ms` from Auckland, NZ
50.212.93.214	AS7922 Comcast Cable Communications, LLC	`7.65ms` from Boston, US

Traceroute

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

traceroute -a -n -q1 -f5 203.151.108.200

traceroute to 203.151.108.200 (203.151.108.200): 64 hops max, 52 byte packets

5 [AS64050] 61.19.60.70 5.045 ms

6 [AS4618] 203.150.222.112 3.596 ms

7 [AS4618] 203.154.129.148 3.55 ms

8 [AS4618] 203.151.108.254 3.482 ms

9 [AS4618] 203.151.108.200 3.041 ms

Measurement taken from

IPinfo ProbeNet in Bangkok, TH

On March 20th 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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