123.208.210.0/23

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 123.208.210.0/23

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

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

IP Address ASN Details
123.208.210.27 AS135887 Belong (Telstra Limited) 2.40ms from Perth, AU
123.208.211.254 AS135887 Belong (Telstra Limited) 1.34ms from Perth, 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
84.82.206.7 AS1136 KPN B.V. 1.74ms from Amsterdam, NL
20.13.25.151 AS8075 Microsoft Corporation 1.35ms from Amsterdam, NL
66.213.68.7 AS26923 Ohio Public Library Information Network (OPLIN) 4.73ms from Columbus, US
179.220.51.199 AS28573 Claro NXT Telecomunicacoes Ltda 11.22ms from Curitiba, BR
92.234.170.23 AS5089 Virgin Media Limited 10.32ms from London, GB
153.212.98.71 AS4713 NTT DOCOMO BUSINESS,Inc. 11.15ms from Osaka, JP
52.20.105.7 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
79.170.162.183 AS43801 Comrise AS 10.15ms from Samara, RU
106.166.191.71 AS2516 KDDI CORPORATION 5.01ms from Tokyo, JP
222.138.66.23 AS4837 CHINA UNICOM China169 Backbone 5.59ms from Zhengzhou, CN
20.124.8.7 AS8075 Microsoft Corporation 0.46ms from Ashburn, US
44.224.98.183 AS16509 Amazon.com, Inc. 0.13ms from Boardman, US
41.45.186.247 AS8452 TE-AS 2.72ms from Cairo, EG
78.78.227.71 AS3301 Telia Company AB 19.20ms from Copenhagen, DK
85.228.184.167 AS8434 Telenor Sverige AB 5.18ms from Copenhagen, DK
182.61.46.55 AS38365 Beijing Baidu Netcom Science and Technology Co., Ltd. 2.54ms from Guangzhou, CN
121.196.57.55 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 2.18ms from Hangzhou, CN
117.2.185.135 AS7552 Viettel Group 10.44ms from Ho Chi Minh City, VN
94.8.157.55 AS5607 Sky UK Limited 1.85ms from London, GB
172.233.124.55 AS63949 Akamai Connected Cloud 0.66ms from Madrid, ES
93.180.98.183 AS42560 Telemach BH d.o.o. Sarajevo 6.92ms from Novi Travnik, BA
124.97.82.71 AS4713 NTT DOCOMO BUSINESS,Inc. 6.82ms from Osaka, JP
58.160.111.135 AS1221 Telstra Limited 2.10ms from Perth, AU
59.30.43.7 AS4766 Korea Telecom 4.79ms from Seoul, KR
116.236.192.135 AS4812 China Telecom (Group) 2.30ms from Shanghai, CN

Traceroute

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

$
traceroute -a -n -q1 -f4 123.208.211.21
traceroute to 123.208.211.21 (123.208.211.21): 64 hops max, 52 byte packets
4 [] 15.230.139.8 5.187 ms
5 *
6 *
10 *
11 [AS1221] 58.162.27.133 1.224 ms
12 [AS135887] 123.208.211.21 10.705 ms
Measurement taken from IPinfo ProbeNet in Perth, 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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