123.208.36.0/23

AS135887  ·  Belong (Telstra Limited)

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Summary

Country Australia
Domain telstra.net
ASN AS135887
Parent Range 123.208.0.0/16
Registry APNIC
ID TELSTRAINTERNET46-AU

WHOIS Details

inetnum:        123.208.0.0 - 123.208.255.255
netname:        TELSTRAINTERNET46-AU
descr:          Telstra Internet
country:        AU
admin-c:        TIAR-AP
tech-c:         TIAR-AP
abuse-c:        AT1005-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-AU-TIAR-AP
mnt-lower:      MAINT-AU-TIAR-AP
mnt-irt:        IRT-TELSTRA-AU
last-modified:  2024-06-18T07:24:07Z
geofeed:        https://geofeed.tools.telstra.net/geofeed.csv
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

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

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:          123.208.0.0/16
origin:         AS135887
descr:          Telstra Corporation 242 Exhibition Street
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2020-04-17T07:06:22Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 123.208.36.0/23

Range ASN Company Num of IPs
123.208.0.0/16 AS135887 Telstra Internet 65,536

Nearby Ranges

BGP prefixes that overlap with 123.208.0.0/16

Range ASN Company Num of IPs
123.208.0.0/16 AS135887 Telstra Internet 65,536

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

Pingable IPs

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

IP Address ASN Details
123.208.37.254 AS135887 Belong (Telstra Limited) 1.61ms from Sydney, AU
123.208.36.194 AS135887 Belong (Telstra Limited) 2.87ms 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
85.183.7.55 AS6805 Telefonica Germany GmbH & Co.OHG 3.12ms from Berlin, DE
197.165.169.39 AS24863 Link Egypt (Link.NET) 11.31ms from Cairo, EG
84.36.128.87 AS36992 ETISALAT MISR 11.06ms from Cairo, EG
35.201.207.7 AS396982 Google LLC 0.16ms from Chang-hua, TW
79.199.142.215 AS3320 Deutsche Telekom AG 2.42ms from Frankfurt am Main, DE
20.113.150.7 AS8075 Microsoft Corporation 0.29ms from Frankfurt am Main, DE
110.88.28.199 AS4134 CHINANET-BACKBONE 5.53ms from Fuzhou, CN
84.186.48.167 AS3320 Deutsche Telekom AG 6.32ms from Hamburg, DE
18.133.164.135 AS16509 Amazon.com, Inc. 0.23ms from London, GB
86.16.231.7 AS5089 Virgin Media Limited 5.04ms from London, GB
195.216.177.87 AS212238 Datacamp Limited 0.07ms from Madrid, ES
190.28.125.247 AS13489 UNE EPM TELECOMUNICACIONES S.A. 1.88ms from Medellin, CO
69.169.135.247 AS13415 FirstDigital Communications, LLC 1.57ms from Salt Lake City, US
189.238.66.7 AS8151 UNINET 16.41ms from Santiago de Queretaro, MX
78.83.218.151 AS29580 A1 Bulgaria EAD 8.51ms from Sofia, BG
177.194.105.199 AS28573 Claro NXT Telecomunicacoes Ltda 5.97ms from São Paulo, BR
97.181.24.183 AS6167 Verizon Business 13.32ms from Atlanta, US
138.19.106.167 AS9269 Hong Kong Broadband Network Ltd. 0.81ms from Hong Kong, HK
104.11.183.87 AS7018 AT&T Enterprises, LLC 3.11ms from Kansas City, US
91.10.24.135 AS3320 Deutsche Telekom AG 7.90ms from Nuernberg, DE
124.241.114.151 AS17961 mitene internet co., ltd. 5.80ms from Osaka, JP
34.12.142.167 AS396982 Google LLC 0.14ms from Oudeschip, NL
115.28.91.151 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.51ms from Qingdao, CN
13.125.205.7 AS16509 Amazon.com, Inc. 0.79ms from Seoul, KR
61.64.53.247 AS10135 EASPNET Inc. 0.63ms from Taipei, TW

Traceroute

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

$
traceroute -a -n -q1 123.208.37.17
traceroute to 123.208.37.17 (123.208.37.17): 64 hops max, 52 byte packets
4 [AS1221] 61.8.24.126 1.742 ms
5 *
6 [AS1221] 58.162.27.76 1.625 ms
Measurement taken from IPinfo ProbeNet in Sydney, 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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