203.58.128.0/17

AS1221  ·  Telstra Limited

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Summary

Country Australia
Domain telstra.net
ASN AS1221
Registry APNIC
ID TELSTRAINTERNET8-AU

WHOIS Details

inetnum:        203.58.128.0 - 203.58.255.255
netname:        TELSTRAINTERNET8-AU
descr:          Telstra Limited
country:        AU
org:            ORG-TC6-AP
admin-c:        TIAR-AP
tech-c:         TAN2-AP
abuse-c:        AT1005-AP
status:         ALLOCATED PORTABLE
remarks:        -----
remarks:        All reports regarding SPAM or security breaches
remarks:        should be addressed to [email protected]
remarks:        ------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AU-TIAR-AP
mnt-routes:     MAINT-AU-TIAR-AP
mnt-irt:        IRT-TELSTRA-AU
last-modified:  2024-05-10T00:50:23Z
source:         APNIC

irt:            IRT-TELSTRA-AU
address:        Telstra Internet
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        TIAR-AP
tech-c:         TIAR-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-07-15
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2025-11-18T00:26:24Z
source:         APNIC

organisation:   ORG-TC6-AP
org-name:       Telstra Limited
org-type:       LIR
country:        AU
address:        242 Exhibition Street
e-mail:         [email protected]
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-12-06T08:30:50Z
source:         APNIC

role:           ABUSE TELSTRAAU
country:        ZZ
address:        Telstra Internet
phone:          +000000000
e-mail:         [email protected]
admin-c:        TIAR-AP
tech-c:         TIAR-AP
nic-hdl:        AT1005-AP
remarks:        Generated from irt object IRT-TELSTRA-AU
remarks:        [email protected] was validated on 2025-07-15
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-07-15T22:43:15Z
source:         APNIC

role:           Telstra AU NOC
address:        Telstra Internet
address:        242 Exhibition Street
address:        Melbourne
address:        VIC 3000
country:        AU
phone:          +61 3 8650 3305
e-mail:         [email protected]
admin-c:        TIAR-AP
tech-c:         TIAR-AP
nic-hdl:        TAN2-AP
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2025-11-26T05:11:17Z
source:         APNIC

person:         Telstra Internet Address Registry
address:        Telstra Internet
address:        242 Exhibition St
address:        Melbourne
address:        VIC 3000
country:        AU
phone:          +61 000000000
e-mail:         [email protected]
nic-hdl:        TIAR-AP
remarks:        Telstra Internet Address Registry Role Object
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2021-12-09T22:28:56Z
source:         APNIC

route:          203.58.128.0/17
origin:         AS1221
descr:          Telstra Corporation 242 Exhibition Street
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2019-12-11T21:09:39Z
source:         APNIC

route:          203.58.128.0/17
origin:         AS19905
descr:          Telstra Corporation Limited 242 Exhibition Street
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2022-09-12T02:36:56Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.58.0.0/16

Range ASN Company Num of IPs
203.58.64.0/18 AS1221 Telstra Limited 16,384
203.58.32.0/19 AS1221 Telstra Limited 8,192
203.58.0.0/19 AS7545 TPG Internet Pty Ltd. 8,192

Hosted domains

There are 13 domain names hosted across 10 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
203.58.170.154 rav.vic.gov.au 2
203.58.157.170 tattssportsbet.com 2
203.58.157.249 tattslottos.com 2
203.58.219.129 swickers.com.au 1
203.58.197.251 wharton-jones.com 1
203.58.190.50 rcsystems.net.au 1
203.58.219.226 stylevue.com.au 1
203.58.224.107 avemportal.com.au 1
203.58.166.24 autoledgers.com.au 1
203.58.224.72 e-com.com.au 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

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

IP Address ASN Details
203.58.237.173 AS1221 Telstra Limited 0.88ms from Brisbane, AU
203.58.230.225 AS1221 Telstra Limited 1.17ms from Melbourne, AU
203.58.247.168 AS1221 Telstra Limited 1.28ms from Melbourne, AU
203.58.248.222 AS1221 Telstra Limited 8.24ms from Sydney, AU
203.58.224.65 AS1221 Telstra Limited 0.92ms from Brisbane, AU
203.58.236.85 AS1221 Telstra Limited 1.03ms from Melbourne, AU
203.58.190.145 AS1221 Telstra Limited 1.51ms from Perth, AU
203.58.180.153 AS1221 Telstra Limited 1.02ms from Brisbane, AU
203.58.208.153 AS1221 Telstra Limited 0.92ms from Melbourne, AU
203.58.207.73 AS1221 Telstra Limited 1.18ms from Sydney, AU
203.58.169.123 AS1221 Telstra Limited 0.69ms from Adelaide, AU
203.58.231.241 AS1221 Telstra Limited 1.24ms from Melbourne, AU
203.58.188.185 AS1221 Telstra Limited 1.74ms from Melbourne, AU
203.58.254.41 AS1221 Telstra Limited 1.20ms from Melbourne, AU
203.58.210.70 AS1221 Telstra Limited 5.54ms from Sydney, AU
203.58.165.113 AS1221 Telstra Limited 1.00ms from Brisbane, AU
203.58.240.50 AS1221 Telstra Limited 1.77ms from Sydney, AU
203.58.134.193 AS1221 Telstra Limited 0.91ms from Melbourne, AU
203.58.250.1 AS1221 Telstra Limited 0.75ms from Sydney, AU
203.58.197.241 AS1221 Telstra Limited 2.20ms from Melbourne, AU
203.58.252.215 AS1221 Telstra Limited 0.71ms from Sydney, AU
203.58.223.170 AS1221 Telstra Limited 1.46ms from Adelaide, AU
203.58.249.57 AS1221 Telstra Limited 1.19ms from Brisbane, AU
203.58.225.82 AS1221 Telstra Limited 1.19ms from Melbourne, AU
203.58.251.59 AS1221 Telstra Limited 0.95ms from Sydney, AU

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
103.116.208.49 AS4826 Vocus Connect International Backbone 0.98ms from Adelaide, AU
24.96.211.65 AS12083 WideOpenWest Finance LLC 2.97ms from Atlanta, US
12.57.64.193 AS7018 AT&T Enterprises, LLC 13.23ms from Atlanta, US
222.128.110.1 AS4808 China Unicom Beijing Province Network 3.80ms from Beijing, CN
66.241.71.113 AS14188 Ashland Fiber Network 5.15ms from Bend, US
201.185.55.65 AS13489 UNE EPM TELECOMUNICACIONES S.A. 14.80ms from Bogota, CO
68.109.18.1 AS22773 Cox Communications Inc. 3.04ms from Boston, US
192.107.120.177 AS32145 OpenCape Corporation 1.45ms from Boston, US
73.227.59.177 AS7922 Comcast Cable Communications, LLC 7.52ms from Boston, US
188.82.110.1 AS3243 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 5.47ms from Braga, PT
78.171.36.1 AS9121 Turk Telekomunikasyon Anonim Sirketi 19.36ms from Bursa, TR
222.240.31.193 AS4134 CHINANET-BACKBONE 1.28ms from Changsha, CN
104.145.99.193 AS23473 PAVLOV MEDIA INC 6.38ms from Chicago, US
73.44.228.1 AS7922 Comcast Cable Communications, LLC 0.53ms from Chicago, US
83.94.193.1 AS3292 TDC Holding A/S 4.41ms from Copenhagen, DK
181.31.43.1 AS7303 Telecom Argentina S.A. 0.67ms from Cordoba, AR
190.195.110.1 AS7303 Telecom Argentina S.A. 3.87ms from Cordoba, AR
96.235.254.1 AS701 Verizon Business 13.79ms from Detroit, US
213.174.33.1 AS61157 PlusServer GmbH 1.18ms from Duesseldorf, DE
87.78.152.209 AS8422 NetCologne Gesellschaft fur Telekommunikation mbH 2.50ms from Duesseldorf, DE
80.148.8.65 AS3320 Deutsche Telekom AG 1.01ms from Frankfurt am Main, DE
91.57.103.145 AS3320 Deutsche Telekom AG 8.56ms from Frankfurt am Main, DE
130.59.211.1 AS559 SWITCH 1.38ms from Geneve, CH
115.220.160.1 AS4134 CHINANET-BACKBONE 3.97ms from Hangzhou, CN
115.193.40.193 AS4134 CHINANET-BACKBONE 4.68ms from Hangzhou, CN

Traceroute

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

$
traceroute -a -n -q1 -f5 203.58.250.5
traceroute to 203.58.250.5 (203.58.250.5): 64 hops max, 52 byte packets
7 [AS1221] 203.50.11.195 1.177 ms
8 [AS1221] 203.58.250.5 0.834 ms
Measurement taken from IPinfo ProbeNet in Melbourne, AU
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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