1. All IP Ranges
  2. 203.0.0.0/8
  3. 203.30.0.0/16
  4. AS23855  | 203.30.39.0/24

203.30.39.0/24

AS23855  ·  Singapore Advanced Research and Education Network

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Summary

Country Singapore
Domain singaren.net.sg
ASN AS23855
Registry APNIC
ID SINGAREN-GIX

WHOIS Details

inetnum:        203.30.38.0 - 203.30.39.255
netname:        SINGAREN-GIX
descr:          Singapore Advanced Research and Education Network GigaPoP Exchange
country:        SG
org:            ORG-SA8-AP
admin-c:        SA140-AP
tech-c:         SA140-AP
abuse-c:        AS2199-AP
status:         ASSIGNED 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-SG-SINGAREN-GIX
mnt-irt:        IRT-SINGAREN-GIX-SG
last-modified:  2020-07-07T04:56:08Z
source:         APNIC

irt:            IRT-SINGAREN-GIX-SG
address:        SingAREN c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:        
address:        Singapore 138632
e-mail:         networkadmin@singaren.net.sg
abuse-mailbox:  networkadmin@singaren.net.sg
admin-c:        SPG12-AP
tech-c:         SPG12-AP
auth:           # Filtered
remarks:        networkadmin@singaren.net.sg was validated on 2026-02-25
mnt-by:         MAINT-SINGAREN-OPEN-EXCHANGE
last-modified:  2026-02-25T02:25:06Z
source:         APNIC

organisation:   ORG-SA8-AP
org-name:       SingAREN
org-type:       LIR
country:        SG
address:        Singapore Advanced Research and Education Network (SingAREN)
address:        c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:        # 17-01 Connexis South
phone:          +65-67905218
e-mail:         admin@singaren.net.sg
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:04Z
source:         APNIC

role:           ABUSE SINGARENGIXSG
country:        ZZ
address:        SingAREN c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:        
address:        Singapore 138632
phone:          +000000000
e-mail:         networkadmin@singaren.net.sg
admin-c:        SPG12-AP
tech-c:         SPG12-AP
nic-hdl:        AS2199-AP
remarks:        Generated from irt object IRT-SINGAREN-GIX-SG
remarks:        networkadmin@singaren.net.sg was validated on 2026-02-25
abuse-mailbox:  networkadmin@singaren.net.sg
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-25T02:25:32Z
source:         APNIC

person:         SINGAREN-GIX Admin
nic-hdl:        SA140-AP
e-mail:         ccgohstanley@yahoo.com
address:        8 Temask Boulevard, #14-00
address:        Suntec Tower Three c/o James Seng
address:        Technology Group, IDA
phone:          +65-67905218
fax-no:         +65-67910688
country:        SG
mnt-by:         MAINT-SG-SINGAREN-GIX
last-modified:  2008-09-04T07:29:24Z
source:         APNIC

route:          203.30.38.0/23
origin:         AS23855
descr:          SingAREN Singapore Advanced Research and Education Network (SingAREN) c/o A*STAR Computational Resource Centre (A*CRC) 1 Fusionopolis Way
mnt-by:         MAINT-SG-SINGAREN-GIX
last-modified:  2021-06-07T12:10:26Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.30.0.0/16

Range ASN Company Num of IPs
203.30.0.0/20 AS136994 Southern Phone Company Ltd 4,096
203.30.92.0/22 AS1221 KPMG 1,024
203.30.100.0/22 AS24316 QLD 4014 1,024
203.30.188.0/22 AS209242 UMPIRE ASSOCIATES LTD 1,024
203.30.44.0/22 AS24541 HostAway Pty Ltd 1,024
203.30.104.0/22 AS12975 Palestine Telecommunications Company (PALTEL) 1,024
203.30.224.0/23 AS25697 Mailreef 512
203.30.236.0/23 AS55666 PT Media Sarana Data 512
203.30.184.0/23 AS2764 Megacom Network Solutions Pty Ltd 512
203.30.90.0/23 AS38170 WORLEY Australia Inc 512
203.30.164.0/23 AS17766 Nexon Asia Pacific Pty Ltd 512
203.30.206.0/23 AS4739 iiNet Limited 512
203.30.98.0/23 AS18111 Bytecard PTY LTD 512
203.30.219.0/24 AS213683 Host.al Shpk 256
203.30.79.0/24 AS23863 GKY Distributors Pty Limited 256
203.30.252.0/24 AS24446 5G NETWORK OPERATIONS PTY LTD 256
203.30.193.0/24 AS2764 Shoalhaven City Council 256
203.30.157.0/24 AS2764 FAIRFIELD CITY LIBRARY 256
203.30.213.0/24 AS38195 Allen Bolderoff 256
203.30.127.0/24 AS45192 APNIC TRAINING LAB 256
203.30.216.0/24 AS45780 MLC School 256
203.30.140.0/24 AS4647 Centra Networks 256
203.30.24.0/24 AS4764 Adhoc Software 256
203.30.236.0/24 AS55666 PT Media Sarana Data 256
203.30.237.0/24 AS55666 PT Media Sarana Data 256
203.30.197.0/24 AS63850 Justin Fanning 256
203.30.155.0/24 AS7545 Navada Computer Services Pty Ltd 256
203.30.60.0/24 AS7546 Dreamtilt 256
203.30.205.0/24 AS7575 Santa Sabina College Ltd 256
203.30.138.0/24 AS7585 Greenhat Services Pty Ltd 256
203.30.19.0/24 AS7604 Zettagrid Pty Ltd 256
203.30.34.0/24 AS7604 Zettagrid Pty Ltd 256
203.30.97.0/24 AS7637 State Library of Victoria 256
203.30.56.0/24 AS7703 Westway Nominees Pty Ltd t/a Bekkers 256
203.30.78.0/24 AS9266 Fiveways International Limited 256
203.30.88.0/24 AS9268 Project Eclectic RandD SA Pty Ltd 256
203.30.35.0/24 AS10143 BelSoft Pty Ltd 256
203.30.137.0/24 AS9313 Network Technology (AUST) P/L 256
203.30.201.0/24 AS1221 Altronic Distributors Pty Ltd 256
203.30.64.0/24 AS1221 Peter John Biedak 256
203.30.75.0/24 AS150688 David Tat Yuen Goh 256
203.30.221.0/24 AS154218 PT LINTAS JARINGAN TUNGKAL 256
203.30.210.0/24 AS154293 City of Greater Dandenong 256
203.30.136.0/24 AS15830 Unisys Australia Limited 256
203.30.65.0/24 AS17473 Blue Apache Pty Ltd 256
203.30.68.0/24 AS17551 Anycast Holdings Pty Ltd 256
203.30.131.0/24 AS17559 HAVAS AUSTRALIA PTY LTD. 256
203.30.199.0/24 AS17766 Nexon Asia Pacific Pty Ltd 256
203.30.211.0/24 AS18986 Calligo (Canada) Inc. 256
203.30.143.0/24 AS18986 Calligo (Canada) Inc. 256

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
203.30.39.25 singaren.net.sg 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.
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Pingable IPs

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

IP Address ASN Details
203.30.39.51 AS23855 Singapore Advanced Research and Education Network 0.29ms 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
198.161.237.200 AS55240 UniFocus LP 1.55ms from Dallas, US
76.114.122.184 AS7922 Comcast Cable Communications, LLC 7.34ms from Murfreesboro, US
148.100.75.168 AS6124 Marist University 2.80ms from New York City, US
58.188.45.120 AS17511 OPTAGE Inc. 1.38ms from Osaka, JP
181.178.232.40 AS11556 Cable & Wireless Panama 1.52ms from Panama, PA
89.90.40.232 AS5410 Bouygues Telecom SA 2.31ms from Paris, FR
13.222.227.24 AS14618 Amazon.com, Inc. 0.41ms from Reston, US
203.247.151.40 AS4668 LG CNS 1.26ms from Seoul, KR
113.29.19.120 AS3549 Level 3 Parent, LLC 0.33ms from Sydney, AU
140.129.142.200 AS1659 Taiwan Academic Network (TANet) Information Center 3.12ms from Taipei, TW
43.137.125.216 AS45090 Shenzhen Tencent Computer Systems Company Limited 3.34ms from Beijing, CN
73.36.19.8 AS7922 Comcast Cable Communications, LLC 4.67ms from Chicago, US
3.151.130.72 AS16509 Amazon.com, Inc. 0.18ms from Columbus, US
205.182.211.88 AS3356 Level 3 Parent, LLC 0.27ms from Miami, US
153.176.9.248 AS4713 NTT DOCOMO BUSINESS,Inc. 3.35ms from Osaka, JP
124.134.55.248 AS4837 CHINA UNICOM China169 Backbone 6.43ms from Qingdao, CN
52.0.100.104 AS14618 Amazon.com, Inc. 0.21ms from Reston, US
221.139.143.88 AS9318 SK Broadband Co Ltd 0.90ms from Seoul, KR
70.29.20.152 AS577 Bell Canada 4.07ms from Toronto, CA
115.55.182.24 AS4837 CHINA UNICOM China169 Backbone 2.35ms from Zhengzhou, CN
54.222.243.72 AS55960 Beijing Guanghuan Xinwang Digital 3.58ms from Beijing, CN
154.176.59.232 AS8452 TE-AS 2.69ms from Cairo, EG
197.47.35.232 AS8452 TE-AS 2.83ms from Cairo, EG
68.182.205.216 AS11427 Charter Communications Inc 1.67ms from Dallas, US
71.228.103.24 AS7922 Comcast Cable Communications, LLC 12.01ms from Denver, US

Traceroute

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

$
traceroute -a -n -q1 203.30.39.77
traceroute to 203.30.39.77 (203.30.39.77): 64 hops max, 52 byte packets
1 [AS50293] 193.39.195.45 74.283 ms
2 *
3 *
4 *
5 [] 103.16.102.28 157.741 ms
6 [AS23855] 203.30.39.77 154.958 ms
Measurement taken from IPinfo ProbeNet in Lisbon, PT
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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