123.208.10.0/23

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:         abuse@telstra.net
abuse-mailbox:  abuse@telstra.net
admin-c:        TIAR-AP
tech-c:         TIAR-AP
auth:           # Filtered
remarks:        abuse@telstra.net 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:         abuse@telstra.net
admin-c:        TIAR-AP
tech-c:         TIAR-AP
nic-hdl:        AT1005-AP
remarks:        Generated from irt object IRT-TELSTRA-AU
remarks:        abuse@telstra.net was validated on 2025-07-15
abuse-mailbox:  abuse@telstra.net
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:         addressing@telstra.net
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 123.208.10.0/23

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

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

IP Address ASN Details
123.208.10.148 AS135887 Belong (Telstra Limited) 2.65ms from Sydney, AU
123.208.11.254 AS135887 Belong (Telstra Limited) 2.38ms 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
20.127.133.199 AS8075 Microsoft Corporation 0.38ms from Ashburn, US
176.161.118.119 AS5410 Bouygues Telecom SA 11.97ms from Aubervilliers, FR
101.108.214.151 AS23969 TOT Public Company Limited 4.07ms from Bangkok, TH
52.12.234.71 AS16509 Amazon.com, Inc. 0.19ms from Boardman, US
75.67.232.135 AS7922 Comcast Cable Communications, LLC 7.02ms from Boston, US
71.72.119.247 AS10796 Charter Communications Inc 9.74ms from Columbus, US
35.159.151.199 AS16509 Amazon.com, Inc. 0.41ms from Frankfurt am Main, DE
154.203.25.167 AS146993 DEEP BRIGHT LIMITED 0.31ms from Hong Kong, HK
176.49.157.167 AS12389 PJSC Rostelecom 0.87ms from Krasnoyarsk, RU
31.49.26.23 AS2856 British Telecommunications PLC 9.19ms from London, GB
80.246.87.231 AS21378 PJSC Rostelecom 7.31ms from Moscow, RU
108.29.163.39 AS701 Verizon Business 2.44ms from New York City, US
64.65.234.71 AS7029 Windstream Communications LLC 5.79ms from New York City, US
123.128.60.103 AS4837 CHINA UNICOM China169 Backbone 5.22ms from Qingdao, CN
211.41.164.103 AS38661 abcle 1.17ms from Seoul, KR
153.126.156.119 AS7684 SAKURA Internet Inc. 16.41ms from Tokyo, JP
48.210.88.183 AS8075 Microsoft Corporation 0.51ms from Tokyo, JP
124.144.194.7 AS9824 JCOM Co., Ltd. 6.44ms from Tokyo, JP
18.206.44.71 AS14618 Amazon.com, Inc. 0.56ms from Ashburn, US
52.190.17.215 AS8075 Microsoft Corporation 0.42ms from Ashburn, US
202.104.32.71 AS4134 CHINANET-BACKBONE 1.80ms from Guangzhou, CN
47.118.36.23 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 6.22ms from Hangzhou, CN
39.104.56.135 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.11ms from Hohhot, CN
13.40.24.247 AS16509 Amazon.com, Inc. 0.16ms from London, GB
101.179.7.87 AS1221 Telstra Limited 5.34ms from Melbourne, AU

Traceroute

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

$
traceroute -a -n -q1 123.208.10.36
traceroute to 123.208.10.36 (123.208.10.36): 64 hops max, 52 byte packets
2 *
4 [AS1221] 61.8.24.126 1.355 ms
5 *
6 [AS1221] 58.162.27.80 3.778 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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