165.21.123.0/24

AS3758 · SingNet

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Summary

Country	Singapore
Domain	singnet.com.sg
ASN	AS3758
Parent Range	165.21.0.0/16
Registry	APNIC
ID	SINGNET-SG

WHOIS Details

inetnum:        165.21.0.0 - 165.21.255.255
netname:        SINGNET-SG
descr:          SingNet Pte Ltd
descr:          2 Stirling Road
descr:          # 03-00 Queenstown Exchange
descr:          Singapore 148943
descr:          imported inetnum object for STPL-3
country:        SG
org:            ORG-SPL1-AP
admin-c:        SH9-AP
tech-c:         SH9-AP
abuse-c:        AS2068-AP
status:         ALLOCATED PORTABLE
remarks:        ----------
remarks:        imported from ARIN object:
remarks:        
remarks:        inetnum: 165.21.0.0 - 165.21.255.255
remarks:        netname: SINGNET
remarks:        org-id: STPL-3
remarks:        status: assignment
remarks:        rev-srv: DNSSEC1.SINGNET.COM.SG DNSSEC2.SINGNET.COM.SG DNSSEC3.SINGNET.COM.SG
remarks:        tech-c: OD-ORG-ARIN
remarks:        reg-date: 1993-03-31
remarks:        changed: hostmaster@arin.net 19990504
remarks:        source: ARIN
remarks:        
remarks:        ----------
notify:         hostmaster@singnet.com.sg
mnt-by:         APNIC-HM
mnt-lower:      MAINT-SG-SINGNET
mnt-routes:     MAINT-SG-SINGNET
mnt-irt:        IRT-SINGNET-SG
last-modified:  2020-05-16T06:40:36Z
source:         APNIC

irt:            IRT-SINGNET-SG
address:        SingNet Engineering & Operations
address:        10 EUNOS ROAD 8,
address:        # 07-31, SINGAPORE POST CENTRE
address:        Singapore 408600
e-mail:         hostmaster@singnet.com.sg
abuse-mailbox:  hostmaster@singnet.com.sg
admin-c:        SH9-AP
tech-c:         SH9-AP
auth:           # Filtered
remarks:        hostmaster@singnet.com.sg was validated on 2026-01-29
mnt-by:         MAINT-SG-SINGNET
last-modified:  2026-01-29T08:58:12Z
source:         APNIC

organisation:   ORG-SPL1-AP
org-name:       SingNet Pte Ltd
org-type:       LIR
country:        SG
address:        c/o Singapore Telecommunications
address:        10 EUNOS ROAD 8
address:        # 07-31, SINGAPORE POST CENTRE
phone:          +65-6838-6145
e-mail:         hostmaster@singnet.com.sg
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-01-29T12:55:05Z
source:         APNIC

role:           ABUSE SINGNETSG
country:        ZZ
address:        SingNet Engineering & Operations
address:        10 EUNOS ROAD 8,
address:        # 07-31, SINGAPORE POST CENTRE
address:        Singapore 408600
phone:          +000000000
e-mail:         hostmaster@singnet.com.sg
admin-c:        SH9-AP
tech-c:         SH9-AP
nic-hdl:        AS2068-AP
remarks:        Generated from irt object IRT-SINGNET-SG
remarks:        hostmaster@singnet.com.sg was validated on 2026-01-29
abuse-mailbox:  hostmaster@singnet.com.sg
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-29T08:58:45Z
source:         APNIC

person:         SingNet Hostmaster
address:        SingNet Engineering & Operations
address:        10 EUNOS ROAD 8
address:        #07-31, SINGAPORE POST CENTRE
address:        SINGAPORE 408600
country:        SG
phone:          +65 7845922
fax-no:         +65 4753273
e-mail:         hostmaster@singnet.com.sg
nic-hdl:        SH9-AP
notify:         hostmaster@singnet.com.sg
mnt-by:         MAINT-SG-SINGNET
last-modified:  2026-01-29T09:43:29Z
source:         APNIC

route:          165.21.240.0/22
origin:         AS19905
descr:          SingNet Pte Ltd c/o Singapore Telecommunications 31 Exeter Road Comcentre Podium Block, #05-04
mnt-by:         MAINT-SG-SINGNET
last-modified:  2024-08-23T01:57:12Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 165.21.123.0/24

Range	ASN	Company	Num of IPs
165.21.0.0/16	AS3758	SingNet Pte Ltd	65,536
165.21.0.0/16	AS9506	SingNet Pte Ltd	65,536

Nearby Ranges

BGP prefixes that overlap with 165.21.0.0/16

Range	ASN	Company	Num of IPs
165.21.0.0/16	AS9506	SingNet Pte Ltd	65,536
165.21.0.0/16	AS3758	SingNet Pte Ltd	65,536
165.21.70.0/24	AS3758	SingNET PTE LTD	256
165.21.94.0/24	AS3758	SingNET PTE LTD	256
165.21.93.0/24	AS3758	SingNET PTE LTD	256
165.21.50.0/24	AS3758	SingNET PTE LTD	256
165.21.31.0/24	AS3758	SingNET PTE LTD	256
165.21.71.0/24	AS3758	SingNET PTE LTD	256
165.21.155.0/24	AS9506	SingNET PTE LTD	256
165.21.75.0/24	AS9506	SingNET PTE LTD	256
165.21.154.0/24	AS9506	SingNET PTE LTD	256
165.21.88.0/24	AS3758	SingNET PTE LTD	256
165.21.31.0/24	AS9506	SingNET PTE LTD	256
165.21.72.0/24	AS3758	SingNET PTE LTD	256

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

Read more

Pingable IPs

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

IP Address	ASN	Details
165.21.123.65	AS3758 SingNet	`1.07ms` 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
93.187.8.40	AS50295 Triple IT BV	`0.37ms` from Amsterdam, NL
35.165.48.120	AS16509 Amazon.com, Inc.	`0.24ms` from Boardman, US
174.110.249.120	AS11426 Charter Communications Inc	`7.52ms` from Charlotte, US
24.14.108.72	AS7922 Comcast Cable Communications, LLC	`8.70ms` from Chicago, US
52.162.102.232	AS8075 Microsoft Corporation	`0.50ms` from Chicago, US
93.224.67.104	AS3320 Deutsche Telekom AG	`3.93ms` from Hamburg, DE
199.91.229.24	AS11404 Wave Broadband	`6.55ms` from Hillsboro, US
5.159.164.120	AS12338 Euskaltel S.A.	`7.73ms` from Madrid, ES
197.26.128.152	AS37705 TOPNET	`17.09ms` from Marseille, FR
52.255.44.232	AS8075 Microsoft Corporation	`0.53ms` from Melbourne, AU
65.79.242.72	AS14369 Nmax	`12.33ms` from New York City, US
126.50.48.104	AS17676 SoftBank Corp.	`2.21ms` from Osaka, JP
37.191.132.248	AS2116 GLOBALCONNECT AS	`4.03ms` from Sandefjord, NO
186.78.134.120	AS7418 TELEFÓNICA CHILE S.A.	`7.58ms` from Santiago, CL
152.167.27.152	AS28118 ALTICE DOMINICANA S.A.	`7.67ms` from Santo Domingo, DO
218.37.80.8	AS17864 SK Broadband Co Ltd	`1.80ms` from Seoul, KR
80.163.112.88	AS3292 TDC Holding A/S	`3.36ms` from Skanderborg, DK
141.161.76.200	AS11318 Georgetown University	`2.88ms` from Ashburn, US
120.60.40.88	AS9829 National Internet Backbone	`12.81ms` from Chennai, IN
46.7.147.88	AS6830 Liberty Global Europe Holding B.V.	`4.70ms` from Dublin, IE
84.135.136.88	AS3320 Deutsche Telekom AG	`5.85ms` from Duesseldorf, DE
86.26.15.56	AS5089 Virgin Media Limited	`7.67ms` from London, GB
104.181.140.88	AS7018 AT&T Enterprises, LLC	`3.56ms` from Los Angeles, US
126.80.102.200	AS17676 SoftBank Corp.	`2.13ms` from Osaka, JP
210.149.71.8	AS2497 Internet Initiative Japan Inc.	`4.46ms` from Osaka, JP

Traceroute

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

traceroute -a -n -q1 165.21.123.37

traceroute to 165.21.123.37 (165.21.123.37): 64 hops max, 52 byte packets

1 [AS15169] 142.250.237.158 191.492 ms

2 *

3 [AS3758] 165.21.138.82 194.242 ms

4 [AS3758] 165.21.139.122 214.13 ms

5 *

6 [AS3758] 165.21.194.41 209.13 ms

7 [AS3758] 165.21.123.37 200.522 ms

Measurement taken from

IPinfo ProbeNet in Dallas, US

On April 13th 2026

What are IP address ranges?

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