138.44.176.0/20

AS7575  ·  Australian Academic and Research Network (AARNet)

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Summary

Country Australia
Domain aarnet.edu.au
ASN AS7575
Parent Range 138.44.0.0/16
Registry APNIC
ID AARNET

WHOIS Details

inetnum:        138.44.0.0 - 138.44.255.255
netname:        AARNET
descr:          Australian Academic and Research Network
descr:          Building 9
descr:          Banks Street
country:        AU
org:            ORG-AAAR1-AP
admin-c:        ANOC-AP
tech-c:         ANOC-AP
abuse-c:        AA1638-AP
status:         ALLOCATED PORTABLE
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
notify:         irrcontact@aarnet.edu.au
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AARNET-AP
mnt-routes:     MAINT-AARNET-AP
mnt-irt:        IRT-AARNET-AU
last-modified:  2026-02-05T05:54:59Z
source:         APNIC

irt:            IRT-AARNET-AU
address:        AARNet Pty Ltd
e-mail:         abuse@aarnet.edu.au
abuse-mailbox:  abuse@aarnet.edu.au
admin-c:        ANOC-AP
tech-c:         ANOC-AP
auth:           # Filtered
remarks:        abuse@aarnet.edu.au was validated on 2025-10-07
mnt-by:         MAINT-AARNET-AP
last-modified:  2026-01-30T04:42:26Z
source:         APNIC

organisation:   ORG-AAAR1-AP
org-name:       Australian Academic and Research Network
org-type:       LIR
country:        AU
address:        PO Box 5519
phone:          +61-2-6222-3530
fax-no:         +61-2-6222-3535
e-mail:         irrcontact@aarnet.edu.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-01-30T13:04:55Z
source:         APNIC

role:           ABUSE AARNETAU
country:        ZZ
address:        AARNet Pty Ltd
phone:          +000000000
e-mail:         abuse@aarnet.edu.au
admin-c:        ANOC-AP
tech-c:         ANOC-AP
nic-hdl:        AA1638-AP
remarks:        Generated from irt object IRT-AARNET-AU
remarks:        abuse@aarnet.edu.au was validated on 2025-10-07
abuse-mailbox:  abuse@aarnet.edu.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-30T04:42:58Z
source:         APNIC

role:           AARNet Network Operations Centre
remarks:        
remarks:        
remarks:        
remarks:        Send abuse reports to abuse@aarnet.edu.au
remarks:        Please include timestamps and offset to UTC in logs
remarks:        Peering requests to peering@aarnet.edu.au
remarks:        
address:        AARNet Pty Ltd
address:        GPO Box 1559
address:        Canberra
address:        ACT  2601
country:        AU
phone:          +61 1300 275 662
phone:          +61 2 6222 3555
e-mail:         noc@aarnet.edu.au
admin-c:        ANOC-AP
tech-c:         ANOC-AP
nic-hdl:        ANOC-AP
mnt-by:         MAINT-AARNET-AP
last-modified:  2020-12-02T07:35:01Z
source:         APNIC

route:          138.44.0.0/16
origin:         AS7575
descr:          Australian Academic and Research Network Building 9 Banks Street
mnt-by:         MAINT-AARNET-AP
last-modified:  2019-04-03T03:55:45Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 138.44.176.0/20

Range ASN Company Num of IPs
138.44.0.0/16 AS7575 Australian Academic and Research Network 65,536

Nearby Ranges

BGP prefixes that overlap with 138.44.0.0/16

Range ASN Company Num of IPs
138.44.0.0/16 AS7575 Australian Academic and Research Network 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

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

IP Address ASN Details
138.44.179.43 AS7575 Australian Academic and Research Network (AARNet) 0.57ms from Perth, AU
138.44.176.223 AS7575 Australian Academic and Research Network (AARNet) 0.47ms from Perth, AU
138.44.177.59 AS7575 Australian Academic and Research Network (AARNet) 0.41ms 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
166.86.2.4 AS12200 Rackspace Hosting 0.47ms from Ashburn, US
44.213.108.148 AS14618 Amazon.com, Inc. 0.73ms from Ashburn, US
76.100.48.164 AS7922 Comcast Cable Communications, LLC 7.62ms from Ashburn, US
181.133.8.36 AS13489 UNE EPM TELECOMUNICACIONES S.A. 11.30ms from Bogota, CO
74.1.214.164 AS13737 Interconnecx, LLC 0.12ms from Detroit, US
104.116.241.132 AS24319 Akamai Technologies Tokyo ASN 0.11ms from Sydney, AU
118.103.88.244 AS17676 SoftBank Corp. 0.68ms from Tokyo, JP
196.184.44.244 AS327934 SOCIETE NATIONALE DES TELECOMMUNICATIONS (Tunisie Telecom) 11.63ms from Tunis, TN
54.221.44.84 AS14618 Amazon.com, Inc. 0.66ms from Ashburn, US
3.221.192.212 AS14618 Amazon.com, Inc. 0.48ms from Ashburn, US
186.112.165.20 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 16.44ms from Bogota, CO
172.176.152.68 AS8075 Microsoft Corporation 0.35ms from Boydton, US
80.53.210.20 AS5617 Orange Polska Spolka Akcyjna 4.41ms from Poznan, PL
45.153.206.4 AS20565 Netalis SAS 6.07ms from Saint-Denis, FR
73.71.96.68 AS7922 Comcast Cable Communications, LLC 2.95ms from San Jose, US
187.237.90.4 AS8151 UNINET 1.43ms from Santiago de Queretaro, MX
112.47.23.196 AS9808 China Mobile Communications Group Co., Ltd. 6.00ms from Xiamen, CN
97.244.170.212 AS6167 Verizon Business 14.88ms from Atlanta, US
73.155.232.228 AS7922 Comcast Cable Communications, LLC 7.82ms from Houston, US
95.5.239.84 AS9121 Turk Telekomunikasyon Anonim Sirketi 2.39ms from Izmir, TR
165.227.223.68 AS14061 DigitalOcean, LLC 0.33ms from New York City, US
93.241.231.68 AS3320 Deutsche Telekom AG 2.57ms from Nuernberg, DE
128.114.116.20 AS5739 University of California, Santa Cruz 1.84ms from San Jose, US
138.75.208.212 AS4773 MobileOne Ltd. Mobile/Internet Service Provider Singapore 2.01ms from Singapore, SG
5.189.47.52 AS12668 LLC KomTehCentr 0.56ms from Yekaterinburg, RU

Traceroute

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

$
traceroute -a -n -q1 -f2 -m9 138.44.185.44
traceroute to 138.44.185.44 (138.44.185.44): 9 hops max, 52 byte packets
3 [] 206.81.80.112 0.86 ms
4 [AS7575] 113.197.15.62 137.579 ms
5 [AS7575] 113.197.15.199 138.498 ms
6 [AS7575] 113.197.15.42 155.672 ms
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Seattle, US
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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