123.208.142.0/23

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 123.208.142.0/23

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

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

IP Address ASN Details
123.208.142.240 AS135887 Belong (Telstra Limited) 10.37ms from Melbourne, AU
123.208.143.254 AS135887 Belong (Telstra Limited) 10.12ms from Melbourne, 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
35.84.147.215 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
73.17.17.199 AS7922 Comcast Cable Communications, LLC 6.62ms from Boston, US
89.136.235.151 AS12302 Vodafone Romania S.A. 6.32ms from Bucharest, RO
77.6.221.7 AS6805 Telefonica Germany GmbH & Co.OHG 4.16ms from Hamburg, DE
20.239.187.135 AS8075 Microsoft Corporation 0.29ms from Hong Kong, HK
86.53.44.183 AS3257 GTT Communications Inc. 0.54ms from London, GB
81.39.214.247 AS3352 TELEFONICA DE ESPANA S.A.U. 8.65ms from Madrid, ES
174.49.33.135 AS7922 Comcast Cable Communications, LLC 7.50ms from Murfreesboro, US
126.124.116.55 AS17676 SoftBank Corp. 7.48ms from Osaka, JP
118.106.27.215 AS18126 Chubu Telecommunications Company, Inc. 4.40ms from Osaka, JP
54.233.101.23 AS16509 Amazon.com, Inc. 0.18ms from Osasco, BR
54.80.11.71 AS14618 Amazon.com, Inc. 0.23ms from Reston, US
14.54.216.167 AS4766 Korea Telecom 6.08ms from Seoul, KR
188.89.102.7 AS50266 Odido Netherlands B.V. 4.34ms from Amsterdam, NL
101.31.136.183 AS4837 CHINA UNICOM China169 Backbone 8.33ms from Beijing, CN
89.27.131.199 AS8881 1&1 Versatel GmbH 0.73ms from Berlin, DE
34.76.75.151 AS396982 Google LLC 0.13ms from Brussels, BE
75.109.159.103 AS19108 Optimum 14.75ms from Dallas, US
216.86.237.7 AS10676 IBM 2.45ms from Denver, US
3.249.98.231 AS16509 Amazon.com, Inc. 0.16ms from Dublin, IE
81.102.141.167 AS5089 Virgin Media Limited 11.47ms from Dublin, IE
27.45.201.23 AS17816 China Unicom IP network China169 Guangdong province 5.11ms from Guangzhou, CN
86.247.68.55 AS3215 Orange S.A. 2.69ms from Paris, FR
80.9.110.167 AS3215 Orange S.A. 11.98ms from Paris, FR
119.198.119.135 AS4766 Korea Telecom 6.58ms from Seoul, KR

Traceroute

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

$
traceroute -a -n -q1 123.208.142.211
traceroute to 123.208.142.211 (123.208.142.211): 64 hops max, 52 byte packets
2 *
4 *
5 [AS1221] 58.162.27.165 11.901 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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