203.158.1.0/24

AS55545  ·  Suranaree University of Technology

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Summary

Country Thailand
Domain sut.ac.th
ASN AS55545
Parent Range 203.158.0.0/21
Registry APNIC
ID SUOT-TH

WHOIS Details

inetnum:        203.158.0.0 - 203.158.7.255
netname:        SUOT-TH
descr:          Suranaree University of Technology
country:        TH
org:            ORG-SA205-AP
admin-c:        SUOT3-AP
tech-c:         SUOT3-AP
abuse-c:        AS3559-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-routes:     MAINT-SUOT-TH
mnt-irt:        IRT-SUOT-TH
last-modified:  2023-07-05T01:10:35Z
source:         APNIC

irt:            IRT-SUOT-TH
address:        111 University avenue, Muang Nakhon Ratchasima 30000
e-mail:         noc@sut.ac.th
abuse-mailbox:  noc@sut.ac.th
admin-c:        SUOT3-AP
tech-c:         SUOT3-AP
auth:           # Filtered
remarks:        noc@sut.ac.th was validated on 2026-01-28
mnt-by:         MAINT-SUOT-TH
last-modified:  2026-01-28T01:38:01Z
source:         APNIC

organisation:   ORG-SA205-AP
org-name:       SUT
org-type:       LIR
country:        TH
address:        111 University avenue
phone:          +6644223000
e-mail:         administrator@sut.ac.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:19:08Z
source:         APNIC

role:           ABUSE SUOTTH
country:        ZZ
address:        111 University avenue, Muang Nakhon Ratchasima 30000
phone:          +000000000
e-mail:         noc@sut.ac.th
admin-c:        SUOT3-AP
tech-c:         SUOT3-AP
nic-hdl:        AS3559-AP
remarks:        Generated from irt object IRT-SUOT-TH
remarks:        noc@sut.ac.th was validated on 2026-01-28
abuse-mailbox:  noc@sut.ac.th
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-28T01:38:11Z
source:         APNIC

role:           Suranaree University of Technology administrator
address:        111 University avenue, Muang Nakhon Ratchasima 30000
country:        TH
phone:          +6644223000
e-mail:         noc@sut.ac.th
admin-c:        SUOT3-AP
tech-c:         SUOT3-AP
nic-hdl:        SUOT3-AP
mnt-by:         MAINT-SUOT-TH
last-modified:  2022-12-30T03:31:28Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.158.1.0/24

Range ASN Company Num of IPs
203.158.0.0/21 AS55545 Suranaree University of Technology 2,048

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

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

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

IP Address ASN Details
203.158.1.117 AS55545 Suranaree University of Technology 4.28ms 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
41.108.179.248 AS36947 Telecom Algeria 11.54ms from Algiers, DZ
45.223.236.152 AS19551 Incapsula Inc 0.18ms from Barcelona, ES
35.161.179.136 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
156.215.171.104 AS8452 TE-AS 5.02ms from Cairo, EG
14.199.223.40 AS9269 Hong Kong Broadband Network Ltd. 0.79ms from Hong Kong, HK
105.168.47.56 AS37119 UNITEL SA 0.69ms from Luanda, AO
177.129.72.8 AS262390 CESUMAR - CENTRO UNIVERSITARIO DE MARINGA 9.77ms from Osasco, BR
93.100.137.56 AS35807 SkyNet Ltd. 0.44ms from Saint Petersburg, RU
69.109.72.56 AS7018 AT&T Enterprises, LLC 1.64ms from San Jose, US
92.36.143.40 AS9146 BIHNET Autonomus System 1.70ms from Sarajevo, BA
119.207.254.136 AS4766 Korea Telecom 1.70ms from Seoul, KR
174.85.131.136 AS20115 Charter Communications LLC 16.42ms from Atlanta, US
52.39.229.56 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
75.244.147.200 AS6167 Verizon Business 14.77ms from Dallas, US
108.131.137.200 AS16509 Amazon.com, Inc. 0.43ms from Dublin, IE
52.178.192.24 AS8075 Microsoft Corporation 0.22ms from Dublin, IE
87.188.43.248 AS3320 Deutsche Telekom AG 3.40ms from Duesseldorf, DE
113.169.34.120 AS45899 VNPT Corp 2.19ms from Ho Chi Minh City, VN
45.85.213.8 AS204144 Comfort XXI Century Ltd. 11.03ms from Krasnodar, RU
172.89.23.72 AS20001 Charter Communications Inc 5.48ms from Los Angeles, US
47.146.243.200 AS5650 Frontier Communications of America, Inc. 2.88ms from Los Angeles, US
92.171.192.136 AS3215 Orange S.A. 9.66ms from Marseille, FR
5.37.151.248 AS28885 OmanTel NAP 2.71ms from Muscat, OM
3.89.21.88 AS14618 Amazon.com, Inc. 0.42ms from Reston, US
89.148.149.120 AS59766 WicitY srl 18.93ms from Rome, IT

Traceroute

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

$
traceroute -a -n -q1 -f3 203.158.1.23
traceroute to 203.158.1.23 (203.158.1.23): 64 hops max, 52 byte packets
3 [AS64050] 61.19.60.34 0.548 ms
4 *
5 [AS4621] 202.28.208.18 4.329 ms
6 [AS55545] 203.158.4.21 4.154 ms
7 [AS55545] 203.158.1.23 4.463 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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