203.158.109.0/24

AS9903 · Rajamangala Institute of Technology

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Summary

Country	Thailand
Domain	rmutt.ac.th
ASN	AS9903
Parent Range	203.158.96.0/19
Registry	APNIC
ID	RUOTTC-TH

WHOIS Details

inetnum:        203.158.96.0 - 203.158.127.255
netname:        RUOTTC-TH
descr:          Rajamangala University of Technology Thanyaburi
country:        TH
org:            ORG-RUOT2-AP
admin-c:        RUOT2-AP
tech-c:         RUOT2-AP
abuse-c:        AR1353-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:      MAINT-RUOTTC-TH
mnt-routes:     MAINT-RUOTTC-TH
mnt-irt:        IRT-RUOTTC-TH
last-modified:  2023-02-09T03:55:31Z
source:         APNIC

irt:            IRT-RUOTTC-TH
address:        39 Moo 1, Klong 6, Khlong Luang Pathum Thani 12110
e-mail:         noc@rmutt.ac.th
abuse-mailbox:  noc@rmutt.ac.th
admin-c:        RUOT2-AP
tech-c:         RUOT2-AP
auth:           # Filtered
remarks:        noc@rmutt.ac.th was validated on 2026-03-05
mnt-by:         MAINT-RUOTTC-TH
last-modified:  2026-03-05T03:58:27Z
source:         APNIC

organisation:   ORG-RUOT2-AP
org-name:       Rajamangala University of Technology Thanyaburi
org-type:       LIR
country:        TH
address:        39 Moo 1, Klong 6
phone:          +6625493079
e-mail:         noc@rmutt.ac.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:19:10Z
source:         APNIC

role:           ABUSE RUOTTCTH
country:        ZZ
address:        39 Moo 1, Klong 6, Khlong Luang Pathum Thani 12110
phone:          +000000000
e-mail:         noc@rmutt.ac.th
admin-c:        RUOT2-AP
tech-c:         RUOT2-AP
nic-hdl:        AR1353-AP
remarks:        Generated from irt object IRT-RUOTTC-TH
remarks:        noc@rmutt.ac.th was validated on 2026-03-05
abuse-mailbox:  noc@rmutt.ac.th
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T03:58:47Z
source:         APNIC

role:           Rajamangala University of Technology Thanyaburi Main Campus administrator
address:        39 Moo 1, Klong 6, Khlong Luang Pathum Thani 12110
country:        TH
phone:          +6625493079
e-mail:         noc@rmutt.ac.th
admin-c:        RUOT2-AP
tech-c:         RUOT2-AP
nic-hdl:        RUOT2-AP
mnt-by:         MAINT-RUOTTC-TH
last-modified:  2023-02-02T01:31:17Z
source:         APNIC

route:          203.158.96.0/19
origin:         AS9903
descr:          Rajamangala University of Technology Thanyaburi 39 Moo 1, Klong 6
mnt-by:         MAINT-RUOTTC-TH
last-modified:  2024-09-24T08:18:00Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.158.109.0/24

Range	ASN	Company	Num of IPs
203.158.96.0/19	AS137546	Rajamangala University of Technology Thanyaburi	8,192
203.158.96.0/19	AS9903	Rajamangala University of Technology Thanyaburi	8,192

Nearby Ranges

BGP prefixes that overlap with 203.158.0.0/16

Range	ASN	Company	Num of IPs
203.158.96.0/19	AS137546	Rajamangala University of Technology Thanyaburi	8,192
203.158.32.0/19	AS7545	iiNet Limited	8,192
203.158.96.0/19	AS9903	Rajamangala University of Technology Thanyaburi	8,192
203.158.0.0/21	AS55545	Suranaree University of Technology	2,048
203.158.24.0/21	AS45960	YTL Communications Sdn Bhd	2,048
203.158.76.0/23	AS5400	BT Global Fabric customers	512
203.158.68.0/23	AS5400	BT Global Fabric customers	512
203.158.72.0/23	AS5400	BT Global Fabric customers	512

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

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

IP Address	ASN	Details
203.158.109.138	AS9903 Rajamangala Institute of Technology	`2.41ms` 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
86.99.151.168	AS5384 Emirates Internet	`4.21ms` from Al Fujairah City, AE
154.247.112.136	AS36947 Telecom Algeria	`12.73ms` from Algiers, DZ
128.203.0.8	AS8075 Microsoft Corporation	`0.57ms` from Ashburn, US
113.219.37.200	AS4134 CHINANET-BACKBONE	`5.80ms` from Chenzhou, CN
181.110.87.136	AS7303 Telecom Argentina S.A.	`5.76ms` from Cordoba, AR
54.73.131.136	AS16509 Amazon.com, Inc.	`0.21ms` from Dublin, IE
84.44.147.104	AS8422 NetCologne Gesellschaft fur Telekommunikation mbH	`1.94ms` from Duesseldorf, DE
82.36.220.136	AS5089 Virgin Media Limited	`3.57ms` from Erith, GB
221.131.224.168	AS56041 China Mobile communications corporation	`9.80ms` from Hangzhou, CN
98.225.96.120	AS7922 Comcast Cable Communications, LLC	`14.08ms` from Los Angeles, US
54.233.226.56	AS16509 Amazon.com, Inc.	`0.17ms` from Osasco, BR
15.184.2.88	AS16509 Amazon.com, Inc.	`8.11ms` from Riyadh, SA
75.172.54.248	AS209 CenturyLink Communications, LLC	`1.65ms` from Seattle, US
4.237.181.232	AS8075 Microsoft Corporation	`0.64ms` from Sydney, AU
61.20.220.248	AS9674 Far EastTone Telecommunication Co., Ltd.	`2.62ms` from Taipei, TW
109.166.202.232	AS8953 Orange Romania S.A.	`0.37ms` from Bucharest, RO
50.230.130.104	AS7922 Comcast Cable Communications, LLC	`1.78ms` from Denver, US
78.78.206.72	AS3301 Telia Company AB	`19.09ms` from Goeteborg, SE
202.61.125.136	AS55661 PT Informasi Teknologi Indonesia	`0.78ms` from Jakarta, ID
204.126.186.248	AS5078 Oklahoma Network for Education Enrichment and	`7.62ms` from Kansas City, US
178.54.15.232	AS29107 Synapse Network LTD	`0.82ms` from Kyiv, UA
173.169.169.248	AS33363 Charter Communications, Inc	`9.72ms` from Orlando, US
219.166.71.8	AS4713 NTT DOCOMO BUSINESS,Inc.	`3.20ms` from Osaka, JP
18.234.47.120	AS14618 Amazon.com, Inc.	`0.57ms` from Reston, US
180.27.230.232	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.32ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 203.158.109.153

traceroute to 203.158.109.153 (203.158.109.153): 64 hops max, 52 byte packets

1 [AS23884] 103.76.182.1 0.41 ms

2 *

3 [AS64050] 61.19.60.35 1.127 ms

4 [AS4621] 202.28.218.102 2.023 ms

5 [AS4621] 202.28.28.22 2.264 ms

6 [AS9903] 203.158.109.153 2.286 ms

Measurement taken from

IPinfo ProbeNet in Bangkok, TH

On March 29th 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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