123.51.0.0/24

AS38333  ·  Symbio Networks

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Summary

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

WHOIS Details

inetnum:        123.51.0.0 - 123.51.0.255
netname:        TELCOINABOX-AU
descr:          Level 6, 9-13 Young Street
country:        AU
admin-c:        TPLn2-AP
tech-c:         TPLn2-AP
abuse-c:        AI731-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-INABOX-AU
mnt-irt:        IRT-INABOX-AU
last-modified:  2021-06-16T13:03:48Z
source:         APNIC

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

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

role:           TELCOINABOX PTY LTD - network administrator
address:        Level 10, 9 Hunter Street
country:        AU
phone:          +6182489099
e-mail:         [email protected]
admin-c:        TPLn2-AP
tech-c:         TPLn2-AP
nic-hdl:        TPLn2-AP
mnt-by:         MAINT-TELCOINABOX-AU
last-modified:  2017-06-21T06:01:19Z
source:         APNIC

route:          123.51.0.0/24
origin:         AS45510
descr:          Telcoinabox Operations Pty Ltd L4, 580 George St
mnt-by:         MAINT-INABOX-AU
last-modified:  2022-02-11T06:16:24Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 123.51.0.0/24

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
123.51.188.0/24 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 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

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

IP Address ASN Details
123.51.0.161 AS38333 Symbio Networks 23.65ms 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
47.252.22.72 AS45102 Alibaba (US) Technology Co., Ltd. 0.32ms from Ashburn, US
79.107.107.120 AS25472 Nova Telecommunications & Media Single Member S.A 13.17ms from Athens, GR
69.150.201.168 AS7018 AT&T Enterprises, LLC 5.97ms from Dallas, US
182.183.13.200 AS17557 Pakistan Telecommunication Company Limited 1.36ms from Islamabad, PK
125.165.95.168 AS7713 PT Telekomunikasi Indonesia 2.83ms from Jakarta, ID
99.184.66.24 AS7018 AT&T Enterprises, LLC 3.81ms from Kansas City, US
112.209.57.120 AS9299 Philippine Long Distance Telephone Company 18.84ms from Manila, PH
37.215.127.184 AS6697 Republican Unitary Telecommunication Enterprise Beltelecom 2.19ms from Minsk, BY
62.76.7.8 AS49505 JSC Selectel 1.01ms from Saint Petersburg, RU
168.180.199.216 AS11663 State of Utah 4.81ms from Salt Lake City, US
119.219.112.168 AS4766 Korea Telecom 7.34ms from Seoul, KR
112.164.210.72 AS4766 Korea Telecom 9.96ms from Seoul, KR
34.151.111.232 AS396982 Google LLC 0.12ms from Sydney, AU
1.41.217.184 AS4804 Microplex PTY LTD 2.39ms from Sydney, AU
50.101.234.88 AS577 Bell Canada 1.96ms from Toronto, CA
174.92.136.216 AS577 Bell Canada 2.49ms from Toronto, CA
176.171.129.232 AS5410 Bouygues Telecom SA 14.52ms from Aubervilliers, FR
35.155.75.88 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
195.133.64.136 AS199785 Cloud Hosting Solutions, Limited. 0.15ms from Frankfurt am Main, DE
14.160.207.152 AS45899 VNPT Corp 5.75ms from Ho Chi Minh City, VN
188.38.167.200 AS15897 Vodafone Telekomunikasyon A.S. 16.67ms from Istanbul, TR
89.187.87.200 AS31708 Coreix Ltd 1.27ms from London, GB
81.60.208.24 AS12430 VODAFONE ESPANA S.A.U. 17.11ms from Madrid, ES
176.179.191.72 AS5410 Bouygues Telecom SA 9.09ms from Marseille, FR
179.26.251.72 AS6057 Administracion Nacional de Telecomunicaciones 3.50ms from Montevideo, UY

Traceroute

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

$
traceroute -a -n -q1 -f2 123.51.0.223
traceroute to 123.51.0.223 (123.51.0.223): 64 hops max, 52 byte packets
2 [] 103.26.69.78 1.244 ms
3 [AS38333] 123.51.0.223 24.543 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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