203.24.137.0/24

AS37993 · Cranbrook School,

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Summary

Country	Australia
Domain	cranbrook.nsw.edu.au
ASN	AS37993
Registry	APNIC
ID	CRANBROOK-AU

WHOIS Details

inetnum:        203.24.137.0 - 203.24.137.255
netname:        CRANBROOK-AU
descr:          Cranbrook School
descr:          Victoria Rd
descr:          Bellevue Hill
descr:          NSW 2023
country:        AU
org:            ORG-CS6-AP
admin-c:        BJ542-AP
tech-c:         SS2051-AP
abuse-c:        AC1589-AP
status:         ASSIGNED PORTABLE
mnt-by:         APNIC-HM
mnt-routes:     MAINT-AU-CRANBROOK
mnt-irt:        IRT-CRANBROOK-NON-AU
last-modified:  2023-05-23T23:00:09Z
source:         APNIC

irt:            IRT-CRANBROOK-NON-AU
address:        5 Victoria Road
address:        Bellevue Hill NSW 2023
address:        Australia
e-mail:         abuse@cranbrook.nsw.edu.au
abuse-mailbox:  abuse@cranbrook.nsw.edu.au
admin-c:        BJ542-AP
tech-c:         SS2051-AP
auth:           # Filtered
remarks:        abuse@cranbrook.nsw.edu.au was validated on 2025-11-14
mnt-by:         MAINT-AU-CRANBROOK
last-modified:  2025-11-18T00:27:03Z
source:         APNIC

organisation:   ORG-CS6-AP
org-name:       Cranbrook School
org-type:       LIR
country:        AU
address:        5 Victoria Ave
phone:          +61-2-9327-9547
fax-no:         +61-2-9327-9033
e-mail:         postmaster@cranbrook.nsw.edu.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:07Z
source:         APNIC

role:           ABUSE CRANBROOKNONAU
country:        ZZ
address:        5 Victoria Road
address:        Bellevue Hill NSW 2023
address:        Australia
phone:          +000000000
e-mail:         abuse@cranbrook.nsw.edu.au
admin-c:        BJ542-AP
tech-c:         SS2051-AP
nic-hdl:        AC1589-AP
remarks:        Generated from irt object IRT-CRANBROOK-NON-AU
remarks:        abuse@cranbrook.nsw.edu.au was validated on 2025-11-14
abuse-mailbox:  abuse@cranbrook.nsw.edu.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-14T02:35:35Z
source:         APNIC

person:         Barry Jung
address:        5 Victoria Road, Bellevue Hill, NSW, 2023
country:        AU
phone:          +61293279547
e-mail:         itmanager@cranbrook.nsw.edu.au
nic-hdl:        BJ542-AP
mnt-by:         MAINT-AU-CRANBROOK
last-modified:  2023-05-23T22:59:50Z
source:         APNIC

person:         Stephen Swain
address:        5 Victoria Road, Bellevue Hill, NSW, 2023
country:        AU
phone:          +61293279536
fax-no:         +61293279033
e-mail:         sswain@cranbrook.nsw.edu.au
nic-hdl:        SS2051-AP
remarks:        Network Support
abuse-mailbox:  postmaster@cranbrook.nsw.edu.au
mnt-by:         MAINT-AU-CRANBROOK
last-modified:  2012-03-08T03:24:44Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.24.0.0/16

Range	ASN	Company	Num of IPs
203.24.104.0/22	AS135409	Kacific Broadband Satellites Pte Ltd	1,024
203.24.50.0/23	AS55687	Universitas Tanjungpura	512
203.24.148.0/23	AS136000	LYNHAM NETWORKS PTY. LTD	512
203.24.174.0/23	AS9266	Fiveways International Limited	512
203.24.134.0/23	AS1221	Telstra Limited	512
203.24.100.0/23	AS9443	VOCUS PTY LTD	512
203.24.32.0/23	AS1221	Thales Australia	512
203.24.76.0/23	AS45315	PT POLARISNET	512
203.24.61.0/24	AS140603	CEA Technologies PTY LTD	256
203.24.48.0/24	AS141749	Department of Local Government, Sport and Cultural Industries	256
203.24.9.0/24	AS150672	The Hutchins School	256
203.24.49.0/24	AS153598	Armadillo Applied Computer Technologies Pty Ltd	256
203.24.98.0/24	AS153773	MetaQuotes Ltd	256
203.24.26.0/24	AS17473	Curriculum Corporation	256
203.24.19.0/24	AS18349	FUJIFILM Business Innovation Australia Pty Ltd	256
203.24.108.0/24	AS209242	LACHTARISTO HOLDINGS LIMITED	256
203.24.109.0/24	AS209242	UMPIRE ASSOCIATES LTD	256
203.24.63.0/24	AS23727	Managed Solutions	256
203.24.166.0/24	AS23863	GKY Distributors Pty Limited	256
203.24.87.0/24	AS24222	RR Donnelley India Outsource Private Limited	256
203.24.97.0/24	AS24437	The University of Western AUstralia	256
203.24.62.0/24	AS2764	Clear Technology Pty Limited	256
203.24.182.0/24	AS38195	SUPERLOOP (AUSTRALIA) PTY LTD	256
203.24.190.0/24	AS38195	Baptcare Ltd	256
203.24.240.0/24	AS38195	NA SL Renfrey t/a Systematic Computers	256
203.24.247.0/24	AS395559	Force Broadband LLC	256
203.24.69.0/24	AS45213	University of Southern Queensland	256
203.24.22.0/24	AS4764	Over The Wire Pty Ltd	256
203.24.73.0/24	AS4764	Mikka International Pty Ltd t/a Cosmos Internet Services	256
203.24.206.0/24	AS55762	Internet Communication Asia Pacific Pty Ltd	256
203.24.117.0/24	AS55803	C RHODES and L.F RHODES t/a Patriot Internet	256
203.24.93.0/24	AS56035	Keltree Pty Ltd as trustee for The Kelly Family Trust t/a IBC Digital	256
203.24.92.0/24	AS59253	365 Group LLC	256
203.24.124.0/24	AS62240	Clouvider Limited	256
203.24.17.0/24	AS63956	NLC (AUST) PTY LTD	256
203.24.171.0/24	AS7545	The Knox School	256
203.24.201.0/24	AS7545	ADEPT BUSINESS SYSTEMS PTY LIMITED	256
203.24.40.0/24	AS7545	InMarket Systems Pty Ltd	256
203.24.163.0/24	AS7575	Lauriston Girls' School	256
203.24.164.0/24	AS7575	Omniconnect managed object	256
203.24.11.0/24	AS7585	DEM (AUST) PTY LTD	256
203.24.54.0/24	AS7604	Zettagrid Pty Ltd	256
203.24.35.0/24	AS9382	Darktide	256
203.24.211.0/24	AS10143	Brendon Lansdowne	256
203.24.188.0/24	AS9864	Korea Securities Depository	256
203.24.126.0/24	AS1221	Peter John Biedak	256
203.24.170.0/24	AS1221	Telstra Limited	256
203.24.194.0/24	AS1221	GEODIS AUSTRALIA PTY LTD	256
203.24.210.0/24	AS1221	Go Get Netted	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
203.24.137.157	cranbrook.nsw.edu.au	1

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
203.24.137.249	AS37993 Cranbrook School,	`1.28ms` 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
143.179.78.8	AS50266 Odido Netherlands B.V.	`4.10ms` from Amsterdam, NL
70.22.140.56	AS701 Verizon Business	`2.19ms` from Boston, US
170.210.170.8	AS28068 Universidad Nacional de San Luis	`15.85ms` from Buenos Aires, AR
96.176.61.120	AS53297 Comcast Cable Communications, LLC	`0.88ms` from Chicago, US
68.45.11.184	AS7922 Comcast Cable Communications, LLC	`13.44ms` from Chicago, US
80.171.34.168	AS6805 Telefonica Germany GmbH & Co.OHG	`2.36ms` from Duesseldorf, DE
43.154.38.248	AS132203 Tencent Building, Kejizhongyi Avenue	`0.38ms` from Hong Kong, HK
1.44.164.24	AS7474 SingTel Optus Pty Ltd	`16.34ms` from Melbourne, AU
198.58.167.200	AS1403 EBOX	`1.53ms` from Montreal, CA
194.108.253.248	AS13036 T-Mobile Czech Republic a.s.	`0.44ms` from Prague, CZ
47.104.187.40	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.11ms` from Qingdao, CN
43.203.34.8	AS16509 Amazon.com, Inc.	`0.32ms` from Seoul, KR
59.147.12.200	AS2527 Sony Network Communications Inc.	`6.65ms` from Tokyo, JP
75.217.157.104	AS6167 Verizon Business	`17.29ms` from Dallas, US
71.228.110.104	AS7922 Comcast Cable Communications, LLC	`9.02ms` from Denver, US
222.252.22.152	AS45899 VNPT Corp	`1.16ms` from Hanoi, VN
14.237.194.88	AS45899 VNPT Corp	`1.82ms` from Ho Chi Minh City, VN
34.150.105.184	AS396982 Google LLC	`0.12ms` from Hong Kong, HK
213.121.140.104	AS2856 British Telecommunications PLC	`0.82ms` from London, GB
104.172.234.248	AS20001 Charter Communications Inc	`4.60ms` from Los Angeles, US
51.120.119.8	AS8075 Microsoft Corporation	`1.92ms` from Oslo, NO
90.19.31.248	AS3215 Orange S.A.	`9.18ms` from Paris, FR
112.250.41.120	AS4837 CHINA UNICOM China169 Backbone	`4.92ms` from Qingdao, CN
54.146.97.56	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
189.188.188.88	AS8151 UNINET	`5.34ms` from Santiago de Queretaro, MX

Traceroute

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

traceroute -a -n -q1 -f5 203.24.137.249

traceroute to 203.24.137.249 (203.24.137.249): 64 hops max, 52 byte packets

5 [] 103.26.68.34 1.023 ms

6 [AS17477] 124.47.129.46 1.424 ms

7 *

8 *

9 [AS37993] 203.24.137.249 1.321 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.

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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