Autonomous System details

AS23767

A-STAR  ·  a-star.edu.sg

Singapore

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AS23767 – A-STAR

Field Value
Country Singapore
Website a-star.edu.sg
Hosted domains 3
IPv4 addresses 8,704
IPv6 addresses 1,208,925,819,614,629,174,706,176
ASN type Education
Registry apnic
Allocated 23 years ago on Jun 12, 2003
Updated 2 years ago on Oct 31, 2023

IP Ranges

Netblock Company Num of IPs
202.83.248.0/22 Institute of High Performance Computing (IHPC) 1,024
202.130.56.0/22 ASTAR Computational Resource Centre 1,024
103.37.196.0/24 A*STAR 256
103.37.197.0/24 A*STAR 256
103.37.198.0/24 A*STAR 256
103.37.199.0/24 A*STAR 256
123.136.64.0/24 Agency for Science, Technology and Research 256
123.136.65.0/24 Agency for Science, Technology and Research 256
123.136.66.0/24 Agency for Science, Technology and Research 256
123.136.67.0/24 Agency for Science, Technology and Research 256
123.136.68.0/24 Agency for Science, Technology and Research 256
123.136.69.0/24 Agency for Science, Technology and Research 256
123.136.70.0/24 Agency for Science, Technology and Research 256
123.136.71.0/24 Agency for Science, Technology and Research 256
192.122.131.0/24 A*STAR 256
192.122.132.0/24 A*STAR 256
192.122.133.0/24 A*STAR 256
192.122.134.0/24 A*STAR 256
192.122.135.0/24 A*STAR 256
192.122.136.0/24 A*STAR 256
192.122.137.0/24 A*STAR 256
192.122.138.0/24 A*STAR 256
192.122.139.0/24 A*STAR 256
192.122.140.0/24 A*STAR 256
202.6.240.0/24 A*STAR 256
202.6.241.0/24 A*STAR 256
202.6.242.0/24 A*STAR 256
202.6.243.0/24 A*STAR 256
202.130.56.0/24 ASTAR Computational Resource Centre 256
202.130.58.0/24 ASTAR Computational Resource Centre 256
202.130.59.0/24 ASTAR Computational Resource Centre 256

Netblock Company
2001:df0:75::/48 ASTAR Computational Resource Centre
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WHOIS Details

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                                                ASHandle:       AS23767
                                                OrgID:          AS23767
                                                ASName:         AS23767
                                                ASNumber:       AS23767
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 3 domain names hosted across 3 IP addresses on this ASN.

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IP Address Domain Domains on this IP
123.136.68.200 ██████████ 1
123.136.66.199 ██████████ 1
202.6.242.74 ██████████ 1

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Peers

There are 6 peers for this ASN.

Peers Name
AS134148 SingAREN
AS139883 SPTEL PTE. LTD.
AS149446 Firmus Grid
AS18106 Viewqwest Pte Ltd
AS23855 Singapore Advanced Research and Education Network
AS4637 Telstra Global
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ASN API & Database

Upstreams

There are 6 upstreams for this ASN.

upstreams Name
AS134148 SingAREN
AS139883 SPTEL PTE. LTD.
AS149446 Firmus Grid
AS18106 Viewqwest Pte Ltd
AS23855 Singapore Advanced Research and Education Network
AS4637 Telstra Global
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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
103.37.196.146 AS23767 A-STAR 1.46ms from Singapore, SG
202.83.248.3 AS23767 A-STAR 1.16ms from Singapore, SG
2001:df0:75:1::2 AS23767 A-STAR 1.02ms from Singapore, SG
103.37.199.3 AS23767 A-STAR 1.07ms from Singapore, SG
202.83.250.33 AS23767 A-STAR 0.75ms from Singapore, SG
202.6.242.31 AS23767 A-STAR 1.61ms from Singapore, SG
202.130.57.73 AS23767 A-STAR 1.13ms from Singapore, SG
192.122.140.20 AS23767 A-STAR 1.53ms from Singapore, SG
192.122.131.99 AS23767 A-STAR 1.44ms from Singapore, SG
202.6.243.121 AS23767 A-STAR 1.26ms from Singapore, SG
192.122.136.3 AS23767 A-STAR 1.18ms from Singapore, SG
123.136.64.7 AS23767 A-STAR 1.09ms from Singapore, SG
202.6.241.12 AS23767 A-STAR 1.72ms from Singapore, SG
202.6.240.191 AS23767 A-STAR 1.74ms from Singapore, SG
192.122.135.95 AS23767 A-STAR 1.53ms from Singapore, SG
123.136.68.238 AS23767 A-STAR 1.78ms from Singapore, SG

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
162.193.24.183 AS7018 AT&T Enterprises, LLC 9.09ms from Atlanta, US
47.72.140.183 AS9500 One New Zealand Group Limited 1.65ms from Auckland, NZ
105.197.216.199 AS24835 Vodafone Data 9.34ms from Cairo, EG
90.101.98.103 AS3215 Orange S.A. 10.87ms from Frankfurt am Main, DE
2.218.48.199 AS5607 Sky UK Limited 1.35ms from London, GB
131.121.111.199 AS668 United States Department of Defense (DoD) 4.71ms from Manassas, US
73.19.241.119 AS7922 Comcast Cable Communications, LLC 16.50ms from Murfreesboro, US
51.174.48.199 AS29695 Lyse Tele AS 6.99ms from Oslo, NO
116.212.246.103 AS4826 Vocus Connect International Backbone 0.81ms from Perth, AU
128.223.217.39 AS3582 University of Oregon 3.88ms from Portland, US
75.75.145.247 AS7922 Comcast Cable Communications, LLC 18.47ms from Reston, US
223.203.3.23 AS4847 China Networks Inter-Exchange 4.22ms from Tianjin, CN
188.234.241.39 AS51604 JSC ER-Telecom Holding 1.07ms from Yekaterinburg, RU
213.186.183.215 AS8376 Jordan Data Communications Company LLC 1.03ms from Amman, JO
174.50.5.103 AS7922 Comcast Cable Communications, LLC 17.20ms from Dallas, US
175.116.112.119 AS9318 SK Broadband Co Ltd 3.62ms from Incheon, KR
92.45.3.7 AS51206 Turk Hava Yollari Technic A.S. 1.90ms from Istanbul, TR
86.209.102.55 AS3215 Orange S.A. 6.45ms from Paris, FR
90.79.105.103 AS3215 Orange S.A. 3.32ms from Paris, FR
128.78.71.135 AS5410 Bouygues Telecom SA 8.61ms from Paris, FR
54.173.24.231 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
109.188.142.103 AS31213 PJSC MegaFon 0.86ms from Saint Petersburg, RU
120.142.202.23 AS10036 DLIVE 5.60ms from Seoul, KR
4.237.167.119 AS8075 Microsoft Corporation 0.64ms from Sydney, AU
141.147.166.23 AS31898 Oracle Corporation 0.30ms from Tokyo, JP

Traceroute

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

$
traceroute -a -n -q1 -f2 -m6 192.122.132.217
traceroute to 192.122.132.217 (192.122.132.217): 6 hops max, 52 byte packets
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Grand Rapids, US
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS23767 at robtex.

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