203.158.253.0/24

AS9903  ·  Rajamangala Institute of Technology

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Summary

Country Thailand
Domain rmutt.ac.th
ASN AS9903
Registry APNIC
ID RUOTTC-TH

WHOIS Details

inetnum:        203.158.128.0 - 203.158.255.255
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:        --------------------------------------------------------
notify:         [email protected]
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        RUOT2-AP
tech-c:         RUOT2-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-08-13
mnt-by:         MAINT-RUOTTC-TH
last-modified:  2025-11-18T00:36:42Z
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:         [email protected]
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:         [email protected]
admin-c:        RUOT2-AP
tech-c:         RUOT2-AP
nic-hdl:        AR1353-AP
remarks:        Generated from irt object IRT-RUOTTC-TH
remarks:        [email protected] was validated on 2025-08-13
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-13T07:20:53Z
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:         [email protected]
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

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
203.158.24.0/21 AS45960 YTL Communications Sdn Bhd 2,048
203.158.0.0/21 AS55545 Suranaree University of Technology 2,048
203.158.76.0/23 AS5400 BT Global Fabric customers 512

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
203.158.253.180 dlasmartwater.org 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

Pingable IPs

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

IP Address ASN Details
203.158.253.212 AS9903 Rajamangala Institute of Technology 2.29ms 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
97.90.219.72 AS20115 Charter Communications LLC 10.16ms from Atlanta, US
35.160.140.168 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
67.199.35.232 AS14992 NewtekOne, Inc. 9.69ms from Los Angeles, US
85.51.72.200 AS12479 Orange Espagne SA 11.07ms from Madrid, ES
163.255.25.40 AS4766 Korea Telecom 4.66ms from Seoul, KR
94.43.70.56 AS35805 JSC "Silknet" 1.44ms from Tbilisi, GE
137.135.71.200 AS8075 Microsoft Corporation 0.45ms from Ashburn, US
105.75.83.200 AS36884 Wana Corporate 5.19ms from Casablanca, MA
84.149.208.72 AS3320 Deutsche Telekom AG 9.11ms from Frankfurt am Main, DE
1.248.133.136 AS9318 SK Broadband Co Ltd 2.97ms from Incheon, KR
80.43.74.56 AS13285 TalkTalk Communications Limited 2.06ms from London, GB
68.6.79.200 AS22773 Cox Communications Inc. 7.42ms from Los Angeles, US
116.149.9.104 AS4837 CHINA UNICOM China169 Backbone 6.25ms from Nanjing, CN
124.154.105.120 AS2514 NTT PC Communications, Inc. 2.38ms from Osaka, JP
73.67.221.72 AS7922 Comcast Cable Communications, LLC 5.77ms from Portland, US
134.16.34.104 AS20115 Charter Communications LLC 6.44ms from San Jose, US
119.201.167.136 AS4766 Korea Telecom 7.39ms from Seoul, KR
34.51.182.56 AS396982 Google LLC 4.24ms from Stockholm, SE
110.149.178.136 AS1221 Telstra Limited 16.25ms from Sydney, AU
98.180.197.248 AS22773 Cox Communications Inc. 10.89ms from Tulsa, US
178.235.112.248 AS29314 VECTRA S.A. 4.77ms from Warsaw, PL
23.203.174.8 AS20940 Akamai International B.V. 11.13ms from Yangon, MM
137.238.31.232 AS26462 The State University of New York College at Geneseo 2.83ms from Buffalo, US
105.156.129.8 AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM 11.84ms from Casablanca, MA
74.205.99.120 AS33070 Rackspace Hosting 1.02ms from Dallas, US

Traceroute

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

$
traceroute -a -n -q1 -f2 203.158.253.187
traceroute to 203.158.253.187 (203.158.253.187): 64 hops max, 52 byte packets
2 [] 203.159.68.11 1.422 ms
3 *
4 [AS4621] 202.28.213.10 2.464 ms
5 *
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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