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 22 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

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

IP Address ASN Details
202.6.240.175 AS23767 A-STAR 0.69ms from Singapore, SG
192.122.136.3 AS23767 A-STAR 0.75ms from Singapore, SG
192.122.131.59 AS23767 A-STAR 0.70ms from Singapore, SG
202.83.250.33 AS23767 A-STAR 0.98ms from Singapore, SG
192.122.140.19 AS23767 A-STAR 0.69ms from Singapore, SG
202.6.243.82 AS23767 A-STAR 0.68ms from Singapore, SG
123.136.68.97 AS23767 A-STAR 0.69ms from Singapore, SG
123.136.64.7 AS23767 A-STAR 0.68ms from Singapore, SG
192.122.135.157 AS23767 A-STAR 0.67ms from Singapore, SG
202.6.241.238 AS23767 A-STAR 0.70ms from Singapore, SG
103.37.199.3 AS23767 A-STAR 0.77ms from Singapore, SG
202.6.242.30 AS23767 A-STAR 0.75ms from Singapore, SG
103.37.196.146 AS23767 A-STAR 0.75ms from Singapore, SG
192.122.138.12 AS23767 A-STAR 0.70ms from Singapore, SG
123.136.71.68 AS23767 A-STAR 0.75ms from Singapore, SG
123.136.69.132 AS23767 A-STAR 0.70ms from Singapore, SG
192.122.139.239 AS23767 A-STAR 0.69ms from Singapore, SG
2001:df0:75:ffff::2 AS23767 A-STAR 1.51ms 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
124.181.27.55 AS1221 Telstra Limited 6.96ms from Adelaide, AU
154.28.224.151 AS46261 QuickPacket, LLC 0.19ms from Ashburn, US
123.127.129.103 AS4808 China Unicom Beijing Province Network 5.47ms from Beijing, CN
95.76.146.135 AS12302 Vodafone Romania S.A. 7.53ms from Bucharest, RO
97.224.209.247 AS6167 Verizon Business 12.92ms from Chicago, US
195.80.53.199 AS12897 ENTEGA Medianet GmbH 2.00ms from Frankfurt am Main, DE
119.114.15.119 AS4837 CHINA UNICOM China169 Backbone 4.61ms from Liaoyang, CN
45.9.36.7 AS209023 Ruben Lago Cabrera 12.84ms from Madrid, ES
45.19.210.103 AS7018 AT&T Enterprises, LLC 13.34ms from Miami, US
68.132.48.39 AS701 Verizon Business 2.91ms from New York City, US
116.212.246.103 AS4826 Vocus Connect International Backbone 0.77ms from Perth, AU
34.239.216.23 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
44.197.139.87 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
112.154.246.55 AS17858 LG POWERCOMM 4.62ms from Seoul, KR
76.187.156.183 AS11427 Charter Communications Inc 12.69ms from Dallas, US
73.203.129.167 AS7922 Comcast Cable Communications, LLC 10.05ms from Dallas, US
93.230.232.7 AS3320 Deutsche Telekom AG 5.49ms from Hamburg, DE
197.80.75.135 AS10474 Dimension Data 0.93ms from Johannesburg, ZA
95.123.223.231 AS3352 TELEFONICA DE ESPANA S.A.U. 9.79ms from Madrid, ES
213.213.29.167 AS8968 BT Italia S.p.A. 11.03ms from Milan, IT
180.145.203.199 AS17511 OPTAGE Inc. 1.76ms from Osaka, JP
82.123.82.135 AS3215 Orange S.A. 3.69ms from Paris, FR
188.24.94.231 AS8708 DIGI ROMANIA S.A. 6.74ms from Timisoara, RO
221.132.149.135 AS4721 JCOM Co., Ltd. 12.55ms from Tokyo, JP
4.204.217.7 AS8075 Microsoft Corporation 0.16ms from Toronto, CA

Traceroute

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

$
traceroute -a -n -q1 123.136.64.49
traceroute to 123.136.64.49 (123.136.64.49): 64 hops max, 52 byte packets
1 [AS42473] 217.146.9.68 0.298 ms
2 *
3 [AS134148] 103.5.242.7 0.756 ms
4 *
Measurement taken from IPinfo ProbeNet in Singapore, SG
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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