123.51.70.0/24

AS38333 · Symbio Networks

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Summary

Country	Australia
Domain	telcoinabox.com.au
ASN	AS38333
Parent Range	123.51.0.0/17
Registry	APNIC
ID	INABOX-AU

WHOIS Details

inetnum:        123.51.0.0 - 123.51.127.255
netname:        INABOX-AU
descr:          Telcoinabox Operations Pty Ltd
descr:          L10, 9 Hunter Street, Sydney NSW 2000
country:        AU
org:            ORG-TOPL1-AP
admin-c:        TOPL2-AP
tech-c:         TOPL2-AP
abuse-c:        AI731-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-INABOX-AU
mnt-routes:     MAINT-INABOX-AU
mnt-irt:        IRT-INABOX-AU
last-modified:  2020-11-25T13:04:09Z
source:         APNIC

irt:            IRT-INABOX-AU
address:        L3, 580 George Street, Sydney NSW 2000
e-mail:         abuse@symbionetworks.com
abuse-mailbox:  abuse@symbionetworks.com
admin-c:        TOPL2-AP
tech-c:         TOPL2-AP
auth:           # Filtered
remarks:        abuse@symbionetworks.com was validated on 2025-12-01
mnt-by:         MAINT-INABOX-AU
last-modified:  2025-12-01T04:18:34Z
source:         APNIC

organisation:   ORG-TOPL1-AP
org-name:       Telcoinabox Operations Pty Ltd
org-type:       LIR
country:        AU
address:        L3, 580 George St
phone:          +61-2-82756871
e-mail:         sysadmin@telcoinabox.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-12-20T12:58:47Z
source:         APNIC

role:           ABUSE INABOXAU
country:        ZZ
address:        L3, 580 George Street, Sydney NSW 2000
phone:          +000000000
e-mail:         abuse@symbionetworks.com
admin-c:        TOPL2-AP
tech-c:         TOPL2-AP
nic-hdl:        AI731-AP
remarks:        Generated from irt object IRT-INABOX-AU
remarks:        abuse@symbionetworks.com was validated on 2025-12-01
abuse-mailbox:  abuse@symbionetworks.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-01T04:18:46Z
source:         APNIC

role:           Telcoinabox Operations Pty Ltd administrator
address:        L4, 580 George Street, Sydney NSW 2000
country:        AU
phone:          +61-2-82489034
fax-no:         +61-2-82489034
e-mail:         networkservices@telcoinabox.com
admin-c:        TOPL2-AP
tech-c:         TOPL2-AP
nic-hdl:        TOPL2-AP
mnt-by:         MAINT-INABOX-AU
last-modified:  2019-05-31T05:16:03Z
source:         APNIC

route:          123.51.0.0/17
origin:         AS38333
descr:          Telcoinabox Operations Pty Ltd L4, 580 George St
mnt-by:         MAINT-INABOX-AU
last-modified:  2021-10-18T23:00:22Z
source:         APNIC

route:          123.51.0.0/17
origin:         AS45510
descr:          Telcoinabox Operations Pty Ltd L4, 580 George St
mnt-by:         MAINT-INABOX-AU
last-modified:  2022-02-11T06:16:23Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 123.51.70.0/24

Range	ASN	Company	Num of IPs
123.51.0.0/17	AS38333	Telcoinabox Operations Pty Ltd	32,768
123.51.0.0/17	AS45510	Telcoinabox Operations Pty Ltd	32,768

Nearby Ranges

BGP prefixes that overlap with 123.51.0.0/16

Range	ASN	Company	Num of IPs
123.51.128.0/17	AS4780	New Century InfoComm Tech. Co., Ltd.	32,768
123.51.0.0/17	AS38333	Telcoinabox Operations Pty Ltd	32,768
123.51.128.0/17	AS9919	New Century InfoComm Tech. Co., Ltd.	32,768
123.51.0.0/17	AS45510	Telcoinabox Operations Pty Ltd	32,768
123.51.172.0/22	AS4780	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.220.0/22	AS4780	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.220.0/22	AS9919	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.132.0/22	AS4780	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.160.0/22	AS4780	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.168.0/22	AS4780	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.128.0/22	AS9919	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.132.0/22	AS9919	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.160.0/22	AS9919	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.164.0/22	AS9919	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.168.0/22	AS9919	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.172.0/22	AS9919	New Century InfoComm Tech. Co., Ltd.	1,024
123.51.0.0/24	AS38333	Level 6, 9-13 Young Street	256
123.51.188.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
123.51.193.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
123.51.194.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
123.51.195.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
123.51.181.0/24	AS4780	New Century InfoComm Tech. Co., Ltd.	256
123.51.196.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
123.51.197.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
123.51.198.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
123.51.199.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256
123.51.208.0/24	AS9919	New Century InfoComm Tech. Co., Ltd.	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
123.51.70.120	ivisonconstructions.com.au	1

Hosted domains API

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Useful for Cybersecurity

Read more

Pingable IPs

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

IP Address	ASN	Details
123.51.70.179	AS38333 Symbio Networks	`1.65ms` 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
125.35.8.40	AS4808 China Unicom Beijing Province Network	`4.00ms` from Beijing, CN
84.177.46.56	AS3320 Deutsche Telekom AG	`3.81ms` from Berlin, DE
181.93.144.40	AS7303 Telecom Argentina S.A.	`1.25ms` from Cordoba, AR
34.255.159.120	AS16509 Amazon.com, Inc.	`0.15ms` from Dublin, IE
40.115.127.56	AS8075 Microsoft Corporation	`0.16ms` from Dublin, IE
90.247.160.56	AS5378 Vodafone Limited	`5.97ms` from Edinburgh, GB
49.169.151.24	AS17858 LG POWERCOMM	`1.66ms` from Incheon, KR
183.117.76.152	AS4766 Korea Telecom	`1.63ms` from Incheon, KR
58.125.106.184	AS9318 SK Broadband Co Ltd	`6.97ms` from Incheon, KR
35.142.35.216	AS33363 Charter Communications, Inc	`9.24ms` from Orlando, US
180.52.160.136	AS4713 NTT DOCOMO BUSINESS,Inc.	`12.69ms` from Osaka, JP
186.108.225.184	AS7303 Telecom Argentina S.A.	`6.58ms` from Rosario, AR
14.84.163.72	AS4766 Korea Telecom	`2.55ms` from Seoul, KR
114.180.112.72	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.94ms` from Tokyo, JP
104.153.1.120	AS63100 Carnegie Telephone Company, Inc.	`4.72ms` from Tulsa, US
92.109.2.40	AS33915 Vodafone Libertel B.V.	`4.76ms` from Amsterdam, NL
104.14.155.200	AS7018 AT&T Enterprises, LLC	`6.18ms` from Dallas, US
91.54.243.40	AS3320 Deutsche Telekom AG	`1.82ms` from Frankfurt am Main, DE
163.213.165.232	AS4766 Korea Telecom	`5.27ms` from Incheon, KR
76.171.167.24	AS20001 Charter Communications Inc	`6.14ms` from Los Angeles, US
181.142.139.56	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`14.25ms` from Medellin, CO
72.75.246.120	AS701 Verizon Business	`9.52ms` from New York City, US
73.131.179.40	AS7922 Comcast Cable Communications, LLC	`15.83ms` from Orlando, US
119.26.59.104	AS9617 JCOM Co., Ltd.	`13.92ms` from Osaka, JP
115.142.85.136	AS17858 LG POWERCOMM	`1.36ms` 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 -f3 123.51.70.171

traceroute to 123.51.70.171 (123.51.70.171): 64 hops max, 52 byte packets

3 [] 103.26.69.78 1.223 ms

4 [AS38333] 123.51.70.171 2.298 ms

Measurement taken from

IPinfo ProbeNet in Sydney, AU

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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