203.123.128.0/18

AS4637  ·  Telstra Global

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Summary

Country India
Domain telstra.com
ASN AS4637
Registry APNIC
ID TELSTRAGLOBAL

WHOIS Details

inetnum:        203.123.128.0 - 203.123.191.255
netname:        TELSTRAGLOBAL
descr:          Telstra International Limited
country:        IN
org:            ORG-TIL3-AP
admin-c:        TI55-AP
tech-c:         TI54-AP
abuse-c:        AT940-AP
status:         ALLOCATED PORTABLE
geofeed:        https://geofeed.telstraglobal.net/geofeed.csv
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-HK-TI
mnt-lower:      MAINT-HK-TI
mnt-irt:        IRT-TELSTRA-INTL-HK
last-modified:  2025-05-30T04:28:46Z
source:         APNIC

irt:            IRT-TELSTRA-INTL-HK
address:        Internet and Private Networks
address:        Telecom House,
address:        3 Gloucester Rd,
address:        Wanchai, Hong Kong.
e-mail:         IRT@team.telstra.com
abuse-mailbox:  abuse@telstra.net
admin-c:        TI55-AP
tech-c:         TI54-AP
auth:           # Filtered
remarks:        irt@team.telstra.com was validated on 2025-07-15
remarks:        abuse@telstra.net was validated on 2025-07-15
mnt-by:         MAINT-HK-TI
last-modified:  2025-07-15T22:42:29Z
source:         APNIC

organisation:   ORG-TIL3-AP
org-name:       Telstra International Limited
org-type:       LIR
country:        HK
address:        19/F Telecom House
address:        3 Gloucester Road
phone:          +852-2983-4820
fax-no:         +852-2597-5896
e-mail:         ipNOC@team.telstra.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:55Z
source:         APNIC

role:           ABUSE TELSTRAINTLHK
country:        ZZ
address:        Internet and Private Networks
address:        Telecom House,
address:        3 Gloucester Rd,
address:        Wanchai, Hong Kong.
phone:          +000000000
e-mail:         IRT@team.telstra.com
admin-c:        TI55-AP
tech-c:         TI54-AP
nic-hdl:        AT940-AP
remarks:        Generated from irt object IRT-TELSTRA-INTL-HK
remarks:        irt@team.telstra.com was validated on 2025-07-15
remarks:        abuse@telstra.net was validated on 2025-07-15
abuse-mailbox:  abuse@telstra.net
mnt-by:         APNIC-ABUSE
last-modified:  2025-07-15T22:42:45Z
source:         APNIC

person:         Telstra-International IPNOC
nic-hdl:        TI54-AP
e-mail:         ipnoc@team.telstra.com
address:        Telecom House,
address:        3 Gloucester Rd,
address:        Wanchai, Hong Kong.
phone:          +852 2983 3388
fax-no:         +852 2597 5896
country:        HK
remarks:        For SPAM/ABUSE Issue: ipnoc@team.telstra.com
remarks:        For Network Related Issue: ipnoc@team.telstra.com
mnt-by:         MAINT-AP-ANC
last-modified:  2019-09-11T04:30:26Z
source:         APNIC

person:         Telstra-International IPNPD
address:        14/F Telecom House, 3 Gloucester Road, Wanchai
country:        HK
phone:          +852 2983 3388
fax-no:         +852 2597 5896
e-mail:         ipnpd@team.telstra.com
nic-hdl:        TI55-AP
abuse-mailbox:  abuse@intl.telstra.com
mnt-by:         MAINT-HK-TI
last-modified:  2019-04-15T01:08:26Z
source:         APNIC

route:          203.123.128.0/18
origin:         AS4637
descr:          Telstra-International Telecom House, 3 Gloucester Rd, Wanchai, Hong Kong
mnt-by:         MAINT-HK-TI
last-modified:  2020-02-20T05:11:38Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.123.0.0/16

Range ASN Company Num of IPs
203.123.0.0/19 AS17547 M1 NET LTD 8,192
203.123.192.0/19 AS17597 SK Broadband Co Ltd 8,192
203.123.96.0/19 AS38195 SUPERLOOP (AUSTRALIA) PTY LTD 8,192
203.123.0.0/20 AS17547 M1 NET LTD 4,096
203.123.16.0/20 AS17547 M1 NET LTD 4,096
203.123.40.0/21 AS10029 Shyam Spectra Pvt Ltd 2,048
203.123.40.0/23 AS10029 Shyam Spectra Pvt Ltd 512
203.123.38.0/23 AS10029 Shyam Spectra Pvt Ltd 512
203.123.32.0/23 AS10029 Shyam Spectra Pvt Ltd 512
203.123.34.0/23 AS10029 Shyam Spectra Pvt Ltd 512
203.123.202.0/23 AS17597 SK Broadband Co Ltd 512
203.123.225.0/24 AS4855 PT. Samudera Indonesia - Agency Division 256
203.123.36.0/24 AS10029 Shyam Spectra Pvt Ltd 256
203.123.60.0/24 AS38755 Statistics Indonesia 256
203.123.224.0/24 AS4855 Pacific Link Indonesia 256
203.123.55.0/24 AS45736 Lighthouse Canton 256
203.123.62.0/24 AS38755 Statistics Indonesia 256
203.123.56.0/24 AS139460 Yayasan Indonesia Memberi Solusi 256
203.123.56.0/24 AS38320 Yayasan Indonesia Memberi Solusi 256
203.123.57.0/24 AS38320 Yayasan Indonesia Memberi Solusi 256
203.123.57.0/24 AS139460 Yayasan Indonesia Memberi Solusi 256
203.123.220.0/24 AS17597 SK Broadband Co Ltd 256
203.123.61.0/24 AS38755 Statistics Indonesia 256

Hosted domains

There are 15 domain names hosted across 11 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
203.123.140.215 happytoinsure.in 4
203.123.140.70 earnfromfixeddeposits.com 2
203.123.190.50 trustpharmacy.org 1
203.123.155.51 fastenex.co.in 1
203.123.179.170 risk2insure.com 1
203.123.174.162 zeomega.org 1
203.123.140.77 mfdms.com 1
203.123.141.152 upganlawar.in 1
203.123.190.34 srishtihealth.com 1
203.123.145.72 mahindrafixeddeposit.com 1
203.123.140.148 plinsurance.co.in 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.
Useful for Cybersecurity

Pingable IPs

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

IP Address ASN Details
203.123.145.85 AS4637 Telstra Global 1.69ms from Mumbai, IN
203.123.140.169 AS4637 Telstra Global 1.73ms from Mumbai, IN
203.123.184.5 AS4637 Telstra Global 13.78ms from Mumbai, IN
203.123.133.149 AS4637 Telstra Global 1.66ms from Mumbai, IN
203.123.146.117 AS4637 Telstra Global 21.04ms from Mumbai, IN
203.123.137.41 AS4637 Telstra Global 2.68ms from Mumbai, IN
203.123.142.17 AS4637 Telstra Global 1.61ms from Mumbai, IN
203.123.189.67 AS4637 Telstra Global 0.68ms from Bengaluru, IN

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
92.253.55.2 AS8376 Jordan Data Communications Company LLC 1.41ms from Amman, JO
136.22.21.18 AS36492 Google, LLC 0.13ms from Ashburn, US
206.248.231.2 AS7795 LUMOS Networks, Inc. 6.12ms from Ashburn, US
24.125.247.146 AS7922 Comcast Cable Communications, LLC 5.02ms from Atlanta, US
192.186.130.114 AS55286 B2 Net Solutions Inc. 0.16ms from Buffalo, US
71.79.34.178 AS10796 Charter Communications Inc 14.77ms from Detroit, US
208.65.69.130 AS36394 Grid4 Communications, Inc 1.15ms from Detroit, US
51.211.9.146 AS25019 Saudi Telecom Company JSC 2.83ms from Jeddah, SA
37.153.135.2 AS12874 Fastweb SpA 0.82ms from Milan, IT
203.181.45.178 AS4685 Asahi Net 16.80ms from Tokyo, JP
107.9.143.18 AS10796 Charter Communications Inc 12.71ms from Ashburn, US
24.163.50.210 AS11426 Charter Communications Inc 9.84ms from Ashburn, US
216.145.67.34 AS22792 MOUNTAINET 12.47ms from Ashburn, US
64.99.112.2 AS32133 Ting Fiber Inc. 0.40ms from Ashburn, US
13.218.30.226 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
66.225.143.98 AS20161 TeraGo Networks Inc. 4.30ms from Seattle, US
61.4.102.130 AS55720 Gigabit Hosting Sdn Bhd 0.32ms from Sepang, MY
178.91.1.82 AS9198 JSC Kazakhtelecom 2.23ms from Almaty, KZ
162.151.14.50 AS7922 Comcast Cable Communications, LLC 1.96ms from Denver, US
220.163.112.2 AS4134 CHINANET-BACKBONE 0.60ms from Kunming, CN
85.84.235.18 AS12338 Euskaltel S.A. 17.01ms from Madrid, ES
126.86.90.210 AS17676 SoftBank Corp. 9.26ms from Osaka, JP
120.55.110.2 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 5.96ms from Hangzhou, CN
5.80.76.146 AS2856 British Telecommunications PLC 6.37ms from London, GB
188.216.219.114 AS30722 Vodafone Italia S.p.A. 9.71ms from Milan, IT

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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