203.158.208.0/21

AS136737  ·  Rajamangala University of Technology Krungtep

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Summary

Country Thailand
Domain rmutt.ac.th
ASN AS136737
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:         helpdesk@apnic.net
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

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
203.158.72.0/23 AS5400 BT Global Fabric customers 512
203.158.68.0/23 AS5400 BT Global Fabric customers 512
203.158.76.0/23 AS5400 BT Global Fabric customers 512

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
203.158.214.2 AS136737 Rajamangala University of Technology Krungtep 0.88ms from Bangkok, TH
203.158.213.132 AS136737 Rajamangala University of Technology Krungtep 1.14ms from Bangkok, TH
203.158.215.208 AS136737 Rajamangala University of Technology Krungtep 1.00ms 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
152.22.55.101 AS81 MCNC 7.15ms from Ashburn, US
23.119.31.117 AS7018 AT&T Enterprises, LLC 8.12ms from Dallas, US
203.76.145.101 AS17469 Access Telecom (BD) Ltd. 0.57ms from Dhaka, BD
188.119.68.5 AS137517 FLAMEHOSTING INC 0.31ms from Frankfurt am Main, DE
178.140.130.37 AS42610 PJSC Rostelecom 1.41ms from Moscow, RU
73.116.210.101 AS7922 Comcast Cable Communications, LLC 10.56ms from San Jose, US
201.31.198.85 AS4230 CLARO S.A. 1.48ms from Sao Paulo, BR
182.237.224.117 AS17583 Keumgang Cable Network 4.84ms from Seoul, KR
125.139.200.101 AS4766 Korea Telecom 4.43ms from Seoul, KR
122.144.137.197 AS17775 shanghai science and technology network communication limited company 4.50ms from Shanghai, CN
203.72.114.181 AS1659 Taiwan Academic Network (TANet) Information Center 3.40ms from Taipei, TW
171.126.122.101 AS4837 CHINA UNICOM China169 Backbone 8.27ms from Taiyuan, CN
94.247.144.245 AS42572 abaton EDV-Dienstleistungs GmbH 0.37ms from Vienna, AT
37.77.154.117 AS29314 VECTRA S.A. 10.21ms from Warsaw, PL
13.90.198.69 AS8075 Microsoft Corporation 0.50ms from Ashburn, US
68.227.60.85 AS22773 Cox Communications Inc. 0.33ms from Atlanta, US
183.173.174.5 AS4538 China Education and Research Network Center 6.02ms from Beijing, CN
87.32.226.5 AS1213 ASIERA TECHNOLOGY SERVICES CLG 2.74ms from Dublin, IE
51.89.203.117 AS16276 OVH SAS 0.07ms from Erith, GB
212.82.35.101 AS9067 one4vision GmbH 3.68ms from Frankfurt am Main, DE
39.36.86.69 AS17557 Pakistan Telecommunication Company Limited 18.37ms from Karachi, PK
95.146.113.101 AS2856 British Telecommunications PLC 1.09ms from London, GB
60.184.161.5 AS4134 CHINANET-BACKBONE 9.43ms from Nanchang, CN
87.182.29.37 AS3320 Deutsche Telekom AG 1.65ms from Nuernberg, DE
76.122.35.37 AS7922 Comcast Cable Communications, LLC 4.32ms from Orlando, US

Traceroute

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

$
traceroute -a -n -q1 203.158.213.132
traceroute to 203.158.213.132 (203.158.213.132): 64 hops max, 52 byte packets
2 *
3 [AS64050] 61.19.60.34 0.673 ms
4 *
5 [AS4621] 202.28.212.22 1.221 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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