138.44.0.0/16

AS7575  ·  Australian Academic and Research Network (AARNet)

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Summary

Country Australia
Domain aarnet.edu.au
ASN AS7575
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

Nearby Ranges

BGP prefixes that overlap with 138.0.0.0/8

Range ASN Company Num of IPs
138.190.0.0/16 AS3303 Berne, Switzerland 65,536
138.26.0.0/16 AS3452 University of Alabama at Birmingham - University Computer Center 65,536
138.223.0.0/16 AS3303 65,536
138.115.0.0/16 AS270 National Aeronautics and Space Administration 65,536
138.210.0.0/16 AS29817 CenturyLink Communications, LLC 65,536
138.49.0.0/16 AS3128 University of Wisconsin-La Crosse 65,536
138.22.0.0/16 AS1853 GeoSphere Austria 65,536
138.210.0.0/16 AS22561 CenturyLink Communications, LLC 65,536
138.48.0.0/16 AS2611 Facultes Universitaires Notre Dame de la Paix 65,536
138.195.0.0/16 AS2200 CENTRALESUPELEC 65,536
138.62.0.0/16 AS25400 Norwegian State Railways 65,536
138.195.0.0/16 AS212424 CENTRALESUPELEC 65,536
138.70.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.195.0.0/16 AS212424 CENTRALESUPELEC 65,536
138.210.0.0/16 AS11398 CenturyLink Communications, LLC 65,536
138.86.0.0/16 AS15295 University of Northern Colorado 65,536
138.216.0.0/16 AS214692 Tuve-palvelut 65,536
138.37.0.0/16 AS198864 Queen Mary University of London 65,536
138.195.0.0/16 AS2200 CENTRALESUPELEC 65,536
138.47.0.0/16 AS19564 Louisiana Tech University 65,536
138.102.0.0/16 AS2200 INRAE 65,536
138.237.0.0/16 AS18791 Texas Christian University 65,536
138.132.0.0/16 AS20746 Italtel SPA 65,536
138.34.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.101.0.0/16 AS16509 Nikkei Inc. 65,536
138.90.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.220.0.0/16 AS10497 IBRD 65,536
138.210.0.0/16 AS14921 CenturyLink Communications, LLC 65,536
138.225.0.0/16 AS20868 ABB Information Systems Ltd 65,536
138.66.0.0/16 AS20981 Prov. Casamassima Km.3 65,536
138.130.0.0/16 AS1221 Telstra Limited 65,536
138.217.0.0/16 AS1221 Telstra Limited 65,536
138.189.0.0/16 AS12511 Post CH AG 65,536
138.191.0.0/16 AS12511 Post CH AG 65,536
138.246.0.0/16 AS12816 Ludwig-Maximilians-Universitaet Muenchen 65,536
138.15.0.0/16 AS10753 NEC Laboratories America, Inc. 65,536
138.63.0.0/16 AS1715 Centre Europeen de Recherches et Formation Avancee en Calcul Scientifique 65,536
138.236.0.0/16 AS17234 Gustavus Adolphus College 65,536
138.92.0.0/16 AS11482 Canisius College 65,536
138.50.0.0/16 AS1565 Headquarters, USAISC 65,536
138.111.0.0/16 AS16509 Amazon Technologies Inc. 65,536
138.27.0.0/16 AS1540 Headquarters, USAISC 65,536
138.9.0.0/16 AS18663 University of the Pacific 65,536
138.52.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.103.0.0/16 AS15830 AB Sandvik 65,536
138.41.0.0/16 AS137 DIR-GARR - Roma 65,536
138.232.0.0/16 AS1110 University of Innsbruck 65,536
138.106.0.0/16 AS202116 SCANIA CV AB 65,536
138.240.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.50.0.0/16 AS367 Headquarters, USAISC 65,536

Hosted domains

There are 54 domain names hosted across 11 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP

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

2,031 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
138.44.131.101 AS7575 Australian Academic and Research Network (AARNet) 0.35ms from Brisbane, AU
138.44.176.223 AS7575 Australian Academic and Research Network (AARNet) 0.44ms from Perth, AU
138.44.227.5 AS7575 Australian Academic and Research Network (AARNet) 0.47ms from London, GB
138.44.64.242 AS7575 Australian Academic and Research Network (AARNet) 0.32ms from Melbourne, AU
138.44.9.85 AS7575 Australian Academic and Research Network (AARNet) 0.26ms from Sydney, AU
138.44.162.4 AS7575 Australian Academic and Research Network (AARNet) 3.83ms from Sydney, AU
138.44.129.154 AS7575 Australian Academic and Research Network (AARNet) 0.23ms from Brisbane, AU
138.44.192.149 AS7575 Australian Academic and Research Network (AARNet) 9.08ms from Melbourne, AU
138.44.134.21 AS7575 Australian Academic and Research Network (AARNet) 0.39ms from Brisbane, AU
138.44.229.6 AS7575 Australian Academic and Research Network (AARNet) 0.24ms from Los Angeles, US
138.44.4.129 AS7575 Australian Academic and Research Network (AARNet) 0.80ms from Sydney, AU
138.44.254.1 AS7575 Australian Academic and Research Network (AARNet) 4.27ms from Sydney, AU
138.44.179.43 AS7575 Australian Academic and Research Network (AARNet) 0.49ms from Perth, AU
138.44.128.2 AS7575 Australian Academic and Research Network (AARNet) 0.41ms from Brisbane, AU
138.44.67.8 AS7575 Australian Academic and Research Network (AARNet) 0.62ms from Melbourne, AU
138.44.208.33 AS7575 Australian Academic and Research Network (AARNet) 40.91ms from Brisbane, AU
138.44.77.35 AS7575 Australian Academic and Research Network (AARNet) 0.41ms from Melbourne, AU
138.44.255.25 AS7575 Australian Academic and Research Network (AARNet) 4.06ms from Sydney, AU
138.44.76.75 AS7575 Australian Academic and Research Network (AARNet) 0.36ms from Melbourne, AU
138.44.193.146 AS7575 Australian Academic and Research Network (AARNet) 9.12ms from Melbourne, AU
138.44.14.81 AS7575 Australian Academic and Research Network (AARNet) 0.32ms from Sydney, AU
138.44.78.3 AS7575 Australian Academic and Research Network (AARNet) 0.55ms from Melbourne, AU
138.44.15.81 AS7575 Australian Academic and Research Network (AARNet) 0.27ms from Sydney, AU
138.44.163.193 AS7575 Australian Academic and Research Network (AARNet) 3.96ms from Sydney, AU
138.44.69.237 AS7575 Australian Academic and Research Network (AARNet) 0.43ms from Melbourne, 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
14.255.104.80 AS45899 VNPT Corp 5.70ms from Hanoi, VN
81.33.125.224 AS3352 TELEFONICA DE ESPANA S.A.U. 1.11ms from Madrid, ES
130.211.12.160 AS396982 Google LLC 0.07ms from Melbourne, AU
142.154.203.224 AS46450 Pilot Fiber, Inc. 0.66ms from New York City, US
200.146.109.48 AS18881 TELEFÔNICA BRASIL S.A 2.07ms from Novo Hamburgo, BR
91.139.90.208 AS13036 T-Mobile Czech Republic a.s. 1.83ms from Prague, CZ
85.93.160.240 AS197013 Sprintel s.r.o. 0.18ms from Prague, CZ
74.248.166.0 AS8075 Microsoft Corporation 0.19ms from Warsaw, PL
198.182.12.16 AS393954 CFN Services Inc. 0.45ms from Ashburn, US
4.156.183.80 AS8075 Microsoft Corporation 0.42ms from Ashburn, US
181.124.183.0 AS23201 Telecel S.A. 17.09ms from Asuncion, PY
108.248.223.64 AS7018 AT&T Enterprises, LLC 6.55ms from Atlanta, US
84.132.87.240 AS3320 Deutsche Telekom AG 2.74ms from Duesseldorf, DE
119.198.56.240 AS4766 Korea Telecom 6.60ms from Incheon, KR
182.178.41.192 AS17557 Pakistan Telecommunication Company Limited 4.80ms from Karachi, PK
34.125.86.48 AS396982 Google LLC 0.15ms from Las Vegas, US
82.7.74.0 AS5089 Virgin Media Limited 4.48ms from London, GB
108.65.40.0 AS7018 AT&T Enterprises, LLC 0.74ms from Los Angeles, US
37.205.68.128 AS21127 Joint Stock Company TransTeleCom 3.55ms from Novosibirsk, RU
133.18.117.80 AS24282 KAGOYA JAPAN Inc. 1.09ms from Osaka, JP
66.93.71.128 AS5065 Bunny Communications 0.37ms from Singapore, SG
183.186.74.240 AS4837 CHINA UNICOM China169 Backbone 7.05ms from Taiyuan, CN
133.200.48.192 AS2518 BIGLOBE Inc. 2.50ms from Tokyo, JP
212.129.60.112 AS12876 Scaleway SAS 0.26ms from Amsterdam, NL
105.191.17.0 AS36925 MEDITELECOM 17.21ms from Casablanca, MA

Traceroute

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

$
traceroute -a -n -q1 -f2 -m6 138.44.127.2
traceroute to 138.44.127.2 (138.44.127.2): 6 hops max, 52 byte packets
2 [] 206.81.80.112 16.808 ms
3 [AS7575] 113.197.15.62 151.66 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Calgary, CA
On

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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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