123.208.236.0/23

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 2026-01-26
mnt-by:         MAINT-AU-TIAR-AP
last-modified:  2026-01-26T01:19:20Z
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 2026-01-26
abuse-mailbox:  abuse@telstra.net
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-26T01:19:29Z
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 123.208.236.0/23

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

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
123.208.237.254	AS135887 Belong (Telstra Limited)	`1.50ms` from Sydney, AU
123.208.236.212	AS135887 Belong (Telstra Limited)	`4.89ms` 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
66.223.34.7	AS19156 Continental Divide Electric Cooperative, Inc	`3.55ms` from Albuquerque, US
85.149.44.7	AS5390 EuroNet	`1.13ms` from Amsterdam, NL
20.9.59.247	AS8075 Microsoft Corporation	`0.17ms` from Des Moines, US
156.233.93.103	AS20326 TeraSwitch Networks Inc.	`0.33ms` from Dublin, IE
65.64.180.71	AS7018 AT&T Enterprises, LLC	`1.85ms` from Kansas City, US
79.105.149.7	AS12389 PJSC Rostelecom	`10.25ms` from Khabarovsk, RU
73.205.147.215	AS7922 Comcast Cable Communications, LLC	`10.19ms` from Miami, US
98.242.244.151	AS7922 Comcast Cable Communications, LLC	`4.93ms` from Miami, US
121.83.26.215	AS17511 OPTAGE Inc.	`1.81ms` from Osaka, JP
36.37.253.119	AS38623 ISP/IXP IN CAMBODIA WITH THE BEST VERVICE IN THERE.	`0.10ms` from Phnom Penh, KH
220.148.127.135	AS10010 TOKAI Communications Corporation	`2.07ms` from Tokyo, JP
72.95.132.231	AS701 Verizon Business	`6.25ms` from Ashburn, US
129.79.200.87	AS87 Indiana University	`5.17ms` from Chicago, US
173.88.210.199	AS10796 Charter Communications Inc	`11.25ms` from Columbus, US
3.14.235.183	AS16509 Amazon.com, Inc.	`0.16ms` from Columbus, US
136.114.27.103	AS396982 Google LLC	`0.35ms` from Council Bluffs, US
59.183.2.151	AS9829 National Internet Backbone	`7.34ms` from Delhi, IN
73.217.5.135	AS7922 Comcast Cable Communications, LLC	`3.15ms` from Denver, US
95.179.246.55	AS20473 The Constant Company, LLC	`0.13ms` from Frankfurt am Main, DE
51.107.230.247	AS8075 Microsoft Corporation	`0.69ms` from Geneve, CH
14.247.121.103	AS45899 VNPT Corp	`2.65ms` from Hanoi, VN
151.101.81.7	AS54113 Fastly, Inc.	`0.07ms` from Melbourne, AU
93.125.103.39	AS42772 Unitary enterprise A1	`3.50ms` from Minsk, BY
189.35.46.135	AS28573 Claro NXT Telecomunicacoes Ltda	`16.59ms` from Novo Hamburgo, BR
15.204.7.119	AS16276 OVH SAS	`0.38ms` from Portland, US

Traceroute

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

traceroute -a -n -q1 123.208.237.16

traceroute to 123.208.237.16 (123.208.237.16): 64 hops max, 52 byte packets

1 [AS15169] 142.251.244.117 272.922 ms

2 [AS15169] 192.178.97.218 272.555 ms

3 *

4 [AS1221] 203.50.11.174 274.348 ms

5 [AS1221] 139.130.165.90 273.247 ms

6 *

7 [AS1221] 58.162.27.66 272.946 ms

8 [AS135887] 123.208.237.16 287.997 ms

Measurement taken from

IPinfo ProbeNet in Oudeschip, NL

On February 7th 2026

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.

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