1. All IP Ranges
  2. 103.0.0.0/8
  3. 103.138.0.0/16
  4. AS136439  | 103.138.77.0/24

103.138.77.0/24

AS136439  ·  Defence Science Technology Agency

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Summary

Country Singapore
Domain dsta.gov.sg
ASN AS136439
Registry APNIC
ID DSTA-DMZ-SG

WHOIS Details

inetnum:        103.138.77.0 - 103.138.77.255
netname:        DSTA-DMZ-SG
descr:          1 Depot Road, Singapore 109679
country:        SG
org:            ORG-DSTA2-AP
admin-c:        DSTA1-AP
tech-c:         DSTA1-AP
abuse-c:        AD962-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-DSTA-DMZ-SG
mnt-irt:        IRT-DSTA-DMZ-SG
last-modified:  2020-10-01T02:11:37Z
source:         APNIC

irt:            IRT-DSTA-DMZ-SG
address:        1 Depot Road, Singapore 109679, Singapore Singapore 109679
e-mail:         dmztech@dsta.gov.sg
abuse-mailbox:  dmztech@dsta.gov.sg
admin-c:        DSTA1-AP
tech-c:         DSTA1-AP
auth:           # Filtered
remarks:        dmztech@dsta.gov.sg was validated on 2025-10-16
mnt-by:         MAINT-DSTA-DMZ-SG
last-modified:  2025-11-18T00:33:01Z
source:         APNIC

organisation:   ORG-DSTA2-AP
org-name:       Defence Science Technology Agency
org-type:       LIR
country:        SG
address:        1 Depot Road, Singapore 109679
phone:          +6568192091
e-mail:         dmztech@dsta.gov.sg
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:41Z
source:         APNIC

role:           ABUSE DSTADMZSG
country:        ZZ
address:        1 Depot Road, Singapore 109679, Singapore Singapore 109679
phone:          +000000000
e-mail:         dmztech@dsta.gov.sg
admin-c:        DSTA1-AP
tech-c:         DSTA1-AP
nic-hdl:        AD962-AP
remarks:        Generated from irt object IRT-DSTA-DMZ-SG
remarks:        dmztech@dsta.gov.sg was validated on 2025-10-16
abuse-mailbox:  dmztech@dsta.gov.sg
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-16T07:10:02Z
source:         APNIC

role:           Defence Science Technology Agency administrator
address:        1 Depot Road, Singapore 109679, Singapore  Singapore 109679
country:        SG
phone:          +6568192091
e-mail:         dmztech@dsta.gov.sg
admin-c:        DSTA1-AP
tech-c:         DSTA1-AP
nic-hdl:        DSTA1-AP
mnt-by:         MAINT-DSTA-DMZ-SG
last-modified:  2019-04-16T02:33:42Z
source:         APNIC

route:          103.138.77.0/24
origin:         AS136439
descr:          Defence Science Technology Agency 1 Depot Road, Singapore 109679
mnt-by:         MAINT-DSTA-DMZ-SG
last-modified:  2019-07-12T13:30:51Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 103.138.0.0/16

Range ASN Company Num of IPs
103.138.100.0/22 AS8220 Digiagra, LLC. 1,024
103.138.64.0/22 AS138996 Uni Comms International Sdn Bhd 1,024
103.138.36.0/22 AS139084 DIGITAL IMMORTALITY PTY LTD 1,024
103.138.72.0/22 AS138997 Eons Data Communications Limited 1,024
103.138.176.0/22 AS4618 OpenLandscape Company Limited 1,024
103.138.136.0/22 AS17439 Ntt Communications India Network Services Private Limited 1,024
103.138.4.0/23 AS133692 Fastnet Internet Service And Security System 512
103.138.158.0/23 AS139924 Pipex Communication 512
103.138.174.0/23 AS139030 Cnet Communication 512
103.138.40.0/23 AS136119 PT. Inovasi Multi Kreasi 512
103.138.204.0/23 AS138838 PT NET Super Cepat 512
103.138.92.0/23 AS131655 NAN YA PLASTICS CORPORATION 512
103.138.46.0/23 AS136119 PT. Sasmita Nurcahaya Berlian 512
103.138.156.0/23 AS135363 Shiji Fuxuan Technology Development(Beijing)Co.,Ltd. 512
103.138.190.0/23 AS139036 Edge Speed 512
103.138.216.0/23 AS58385 PT BANK BRIsyariah 512
103.138.152.0/23 AS139020 CloudLink Communications 512
103.138.128.0/23 AS139006 ZOHO CORPORATION PTY LTD 512
103.138.164.0/23 AS139026 Shadhinota Net 512
103.138.182.0/23 AS139033 Voglu Internet Service 512
103.138.242.0/23 AS139048 METRO TRAINS MELBOURNE PTY. LTD. 512
103.138.240.0/23 AS45177 Nextro LP 512
103.138.68.0/23 AS138842 PT. Internetwork Komunikasi Indonesia 512
103.138.42.0/23 AS136119 PT. Sari Jaya Maju 512
103.138.160.0/23 AS139022 NEPAL RASTRA BANK 512
103.138.234.0/23 AS133242 Infibeam Avenues Limited 512
103.138.50.0/23 AS138985 CITS PVT (LTD) 512
103.138.236.0/23 AS135217 Peak Telecom India Pvt Ltd 512
103.138.206.0/23 AS138852 DISKOMINFO BADUNG 512
103.138.48.0/23 AS136119 PT. Firdita Citra Mandiri 512
103.138.202.0/23 AS132169 Kbz Online 512
103.138.218.0/23 AS138854 PT INTER MEDIALINK SOLUSI 512
103.138.70.0/23 AS138884 PT Centronet Data Indonesia 512
103.138.30.0/23 AS138983 Round Network 512
103.138.108.0/23 AS135905 MTK Technicial Equiptment Limited Company 512
103.138.162.0/23 AS139024 Iqra University 512
103.138.88.0/23 AS135905 MAT BAO WS JOINT STOCK COMPANY 512
103.138.144.0/23 AS139008 NEEF IT LIMITED 512
103.138.90.0/23 AS135905 Lam Van Limited Company 512
103.138.118.0/23 AS132690 Network For Electronic Transfers (Singapore) Pte Ltd 512
103.138.58.0/23 AS136111 Kementerian Sosial Republik Indonesia 512
103.138.47.0/24 AS136119 PT Bali Towerindo Sentra, Tbk. 256
103.138.46.0/24 AS136119 PT Bali Towerindo Sentra, Tbk. 256
103.138.43.0/24 AS136119 PT Bali Towerindo Sentra, Tbk. 256
103.138.42.0/24 AS136119 PT Bali Towerindo Sentra, Tbk. 256
103.138.10.0/24 AS138835 DINAS KOMUNIKASI DAN INFORMATIKA KABUPATEN PACITAN 256
103.138.41.0/24 AS136119 PT Bali Towerindo Sentra, Tbk. 256
103.138.253.0/24 AS134739 AGB Communication Co., Ltd 256
103.138.24.0/24 AS134186 Xplore Net BD 256
103.138.185.0/24 AS138772 Mahrth Internet Service Private Limited 256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
109.129.180.184 AS5432 Proximus NV 0.96ms from Brussels, BE
84.198.57.88 AS6848 Telenet BV 6.65ms from Brussels, BE
51.89.24.88 AS16276 OVH SAS 0.10ms from Frankfurt am Main, DE
117.27.246.232 AS133774 Fuzhou 2.36ms from Fuzhou, CN
73.100.221.8 AS7922 Comcast Cable Communications, LLC 8.74ms from Providence, US
23.41.54.184 AS25019 Saudi Telecom Company JSC 0.31ms from Riyadh, SA
3.39.75.200 AS16509 Amazon.com, Inc. 0.20ms from Seoul, KR
173.238.121.40 AS7992 Cogeco Connexion Inc. 7.59ms from Toronto, CA
154.252.2.104 AS36947 Telecom Algeria 10.21ms from Algiers, DZ
175.13.86.168 AS4134 CHINANET-BACKBONE 2.89ms from Changsha, CN
71.73.236.72 AS10796 Charter Communications Inc 17.07ms from Cleveland, US
98.185.139.40 AS22773 Cox Communications Inc. 15.77ms from Dallas, US
3.254.152.248 AS16509 Amazon.com, Inc. 0.53ms from Dublin, IE
3.10.38.216 AS16509 Amazon.com, Inc. 0.14ms from London, GB
3.8.82.24 AS16509 Amazon.com, Inc. 0.67ms from London, GB
23.231.242.216 AS18978 Enzu Inc 0.69ms from Los Angeles, US
130.79.45.8 AS2259 Renater 11.96ms from Marseille, FR
86.254.118.24 AS3215 Orange S.A. 5.92ms from Paris, FR
52.216.62.72 AS16509 Amazon.com, Inc. 0.24ms from Reston, US
179.157.141.40 AS28573 Claro NXT Telecomunicacoes Ltda 8.23ms from Rio de Janeiro, BR
50.87.173.232 AS46606 Unified Layer 1.96ms from Salt Lake City, US
124.77.62.24 AS4812 China Telecom (Group) 6.07ms from Shanghai, CN
124.140.66.232 AS9824 JCOM Co., Ltd. 10.18ms from Tokyo, JP
24.61.23.184 AS7922 Comcast Cable Communications, LLC 9.23ms from Boston, US
89.114.209.120 AS12353 Vodafone Portugal 8.77ms from Lisbon, PT

Traceroute

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

$
traceroute -a -n -q1 -f3 -m8 103.138.77.143
traceroute to 103.138.77.143 (103.138.77.143): 8 hops max, 52 byte packets
3 [] 195.66.226.196 157.496 ms
4 [AS4657] 203.116.3.74 157.697 ms
5 [AS4657] 203.117.163.190 157.835 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in London, GB
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.

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