123.208.28.0/23

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 123.208.28.0/23

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

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

IP Address ASN Details
123.208.29.254 AS135887 Belong (Telstra Limited) 1.89ms from Sydney, AU
123.208.28.70 AS135887 Belong (Telstra Limited) 3.99ms 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
35.166.96.135 AS16509 Amazon.com, Inc. 0.19ms from Boardman, US
18.193.187.39 AS16509 Amazon.com, Inc. 0.18ms from Frankfurt am Main, DE
123.24.218.7 AS45899 VNPT Corp 1.64ms from Hanoi, VN
124.94.82.87 AS4837 CHINA UNICOM China169 Backbone 7.04ms from Liaoyang, CN
83.55.50.39 AS3352 TELEFONICA DE ESPANA S.A.U. 6.43ms from Madrid, ES
79.27.221.135 AS3269 Telecom Italia S.p.A. 3.97ms from Milan, IT
82.84.154.87 AS8612 Tiscali Italia S.P.A. 0.91ms from Milan, IT
212.34.32.39 AS8905 Digit One LLC 0.40ms from Moscow, RU
153.228.156.55 AS4713 NTT DOCOMO BUSINESS,Inc. 2.65ms from Osaka, JP
31.0.9.247 AS8374 Polkomtel Sp. z o.o. 19.69ms from Poznan, PL
175.112.247.183 AS9318 SK Broadband Co Ltd 5.88ms from Seoul, KR
213.227.88.39 AS8508 Silesian University of Technology, Computer Centre 5.82ms from Warsaw, PL
119.97.236.135 AS4134 CHINANET-BACKBONE 0.81ms from Wuhan, CN
73.128.198.183 AS7922 Comcast Cable Communications, LLC 8.09ms from Ashburn, US
178.223.28.103 AS8400 TELEKOM SRBIJA a.d. 0.96ms from Belgrade, RS
109.132.74.7 AS5432 Proximus NV 1.15ms from Brussels, BE
196.115.215.231 AS36925 MEDITELECOM 3.75ms from Casablanca, MA
177.125.222.183 AS262391 ACESSOLINE TELECOMUNICAÇÕES LTDA 1.33ms from Chapeco, BR
24.101.132.135 AS27364 Armstrong 9.46ms from Chicago, US
35.193.98.151 AS396982 Google LLC 0.12ms from Council Bluffs, US
52.161.155.39 AS8075 Microsoft Corporation 3.32ms from Denver, US
54.246.174.183 AS16509 Amazon.com, Inc. 0.16ms from Dublin, IE
218.18.209.7 AS4134 CHINANET-BACKBONE 1.25ms from Guangzhou, CN
212.178.238.119 AS399643 COOKSON HILLS CONNECT, LLC 7.00ms from Kansas City, US
173.61.78.215 AS701 Verizon Business 4.22ms from New York City, US

Traceroute

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

$
traceroute -a -n -q1 -f4 123.208.29.254
traceroute to 123.208.29.254 (123.208.29.254): 64 hops max, 52 byte packets
7 [AS1221] 203.50.12.130 1.132 ms
8 [AS1221] 203.50.11.173 1.492 ms
9 [AS1221] 61.8.24.126 1.517 ms
10 *
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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