1. All IP Ranges
  2. 138.0.0.0/8
  3. 138.40.0.0/16
  4. AS786  | 138.40.0.0/16

138.40.0.0/16

AS786  ·  Jisc Services Limited

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Summary

Country United Kingdom
Domain city.ac.uk
ASN AS786
Registry RIPE
ID UKCITY-NET

WHOIS Details

inetnum:        138.40.0.0 - 138.40.255.255
netname:        UKCITY-NET
descr:          City St. George's, University of London
country:        GB
org:            ORG-CUL15-RIPE
admin-c:        EM11653-RIPE
tech-c:         EM11653-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         JANET-HOSTMASTER
created:        1970-01-01T00:00:00Z
last-modified:  2025-06-26T10:19:44Z
source:         RIPE
sponsoring-org: ORG-UA23-RIPE
abuse-email:    [email protected]
abuse-c:        CULA1-RIPE
abuse-org:      ORG-UA23-RIPE

organisation:   ORG-CUL15-RIPE
org-name:       City St. George's, University of London
country:        GB
org-type:       OTHER
address:        Computer Unit
address:        10 Northampton Square
address:        London
address:        EC1V 0HB
address:        UK
e-mail:         [email protected]
abuse-c:        CULA1-RIPE
mnt-ref:        JANET-HOSTMASTER
mnt-by:         JANET-HOSTMASTER
created:        2016-05-03T11:02:17Z
last-modified:  2025-06-27T12:45:46Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        CULA1-RIPE
abuse-org:      undefined

person:         Eric McIntosh
address:        City St. George's, University of London
address:        10 Northampton Square
address:        London
address:        EC1V 0HB
phone:          +44 20 7040 5060
e-mail:         [email protected]
nic-hdl:        EM11653-RIPE
mnt-by:         JANET-HOSTMASTER
created:        2016-12-08T11:57:02Z
last-modified:  2025-06-26T10:37:32Z
source:         RIPE

route:          138.40.0.0/16
descr:          City St. George's, University of London
origin:         AS786
mnt-by:         JIPS-NOSC
created:        1970-01-01T00:00:00Z
last-modified:  2025-06-26T10:19:44Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 138.0.0.0/8

Range ASN Company Num of IPs
138.223.0.0/16 AS3303 65,536
138.81.0.0/16 AS3303 ISO Central Secretariat 65,536
138.107.0.0/16 AS2497 OLYMPUS CORPORATION 65,536
138.190.0.0/16 AS3303 Berne, Switzerland 65,536
138.49.0.0/16 AS3128 University of Wisconsin-La Crosse 65,536
138.116.0.0/16 AS33004 SUNY Empire State University 65,536
138.63.0.0/16 AS1715 Centre Europeen de Recherches et Formation Avancee en Calcul Scientifique 65,536
138.210.0.0/16 AS2379 CenturyLink Communications, LLC 65,536
138.231.0.0/16 AS2269 Ecole Normale Superieure Paris-Saclay EPSCP 65,536
138.29.0.0/16 AS22742 Coast Guard Academy 65,536
138.243.0.0/16 AS23779 NTT Communications Corporation 65,536
138.51.0.0/16 AS239 University of Toronto 65,536
138.115.0.0/16 AS270 National Aeronautics and Space Administration 65,536
138.195.0.0/16 AS2200 CENTRALESUPELEC 65,536
138.27.0.0/16 AS1540 Headquarters, USAISC 65,536
138.52.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.15.0.0/16 AS10753 NEC Laboratories America, Inc. 65,536
138.22.0.0/16 AS1853 GeoSphere Austria 65,536
138.34.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.132.0.0/16 AS20746 Italtel SPA 65,536
138.47.0.0/16 AS19564 Louisiana Tech University 65,536
138.210.0.0/16 AS22561 CenturyLink Communications, LLC 65,536
138.192.0.0/16 AS21727 Hamline University 65,536
138.210.0.0/16 AS22186 CenturyLink Communications, LLC 65,536
138.247.0.0/16 AS23122 Dakota State University 65,536
138.216.0.0/16 AS214692 Tuve-palvelut 65,536
138.220.0.0/16 AS10497 IBRD 65,536
138.90.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.70.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.102.0.0/16 AS2200 INRAE 65,536
138.210.0.0/16 AS11398 CenturyLink Communications, LLC 65,536
138.210.0.0/16 AS14921 CenturyLink Communications, LLC 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
138.236.0.0/16 AS17234 Gustavus Adolphus College 65,536
138.92.0.0/16 AS11482 Canisius College 65,536
138.41.0.0/16 AS137 DIR-GARR - Roma 65,536
138.50.0.0/16 AS1565 Headquarters, USAISC 65,536
138.37.0.0/16 AS198864 Queen Mary University of London 65,536
138.240.0.0/16 AS16509 Amazon.com, Inc. 65,536
138.101.0.0/16 AS16509 Nikkei Inc. 65,536
138.9.0.0/16 AS18663 University of the Pacific 65,536
138.111.0.0/16 AS16509 Amazon Technologies Inc. 65,536
138.232.0.0/16 AS1110 University of Innsbruck 65,536
138.195.0.0/16 AS212424 CENTRALESUPELEC 65,536
138.225.0.0/16 AS20868 ABB Information Systems Ltd 65,536
138.26.0.0/16 AS3452 University of Alabama at Birmingham - University Computer Center 65,536

Hosted domains

There are 39 domain names hosted across 27 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
138.40.78.129 myhomelife.org.uk 5
138.40.78.85 designinlegaleducation.net 5
138.40.249.139 interaction-lab.co.uk 2
138.40.249.146 startux.co.uk 2
138.40.78.92 3dmbc.com 2
138.40.249.138 hcidopenday.co.uk 2
138.40.249.15 citybabylab.london 1
138.40.77.144 journalism.city 1
138.40.249.141 languagelightux.org 1
138.40.78.139 researchplus.ac.uk 1
138.40.249.145 peterkennedyarchive.org 1
138.40.249.140 ithinkwell.org 1
138.40.249.130 gicentre.org 1
138.40.78.88 ingoevolution.org 1
138.40.78.127 theurdang.london 1
138.40.78.130 tamh.co.uk 1
138.40.78.134 cityaccess.org 1
138.40.249.132 rpil.org 1
138.40.249.147 stjohnstreet.co.uk 1
138.40.249.136 assuredstudy.co.uk 1

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
Read more

Pingable IPs

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

IP Address ASN Details
138.40.77.29 AS786 Jisc Services Limited 1.56ms from London, GB
138.40.78.90 AS786 Jisc Services Limited 1.46ms from London, GB
138.40.249.140 AS786 Jisc Services Limited 1.51ms from London, GB
138.40.183.5 AS786 Jisc Services Limited 1.55ms from London, GB

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
48.217.232.192 AS8075 Microsoft Corporation 0.52ms from Ashburn, US
81.82.151.160 AS6848 Telenet BV 4.85ms from Brussels, BE
177.53.182.32 AS271020 Adrianópolis Solução Tecnologica Ltda 2.67ms from Curitiba, BR
212.185.130.32 AS3320 Deutsche Telekom AG 17.19ms from Duesseldorf, DE
51.195.233.80 AS16276 OVH SAS 0.08ms from Erith, GB
84.149.102.144 AS3320 Deutsche Telekom AG 8.90ms from Frankfurt am Main, DE
171.254.106.48 AS7552 Viettel Group 1.64ms from Ho Chi Minh City, VN
120.221.187.16 AS9808 China Mobile Communications Group Co., Ltd. 0.83ms from Jinan, CN
152.89.147.96 AS47806 Cesar Maffini Martin 15.30ms from Madrid, ES
189.228.82.240 AS8151 UNINET 1.65ms from Mexico City, MX
85.40.204.240 AS3269 Telecom Italia S.p.A. 9.35ms from Milan, IT
184.148.39.208 AS577 Bell Canada 3.90ms from Montreal, CA
163.176.143.112 AS31898 Oracle Corporation 0.32ms from Sao Paulo, BR
1.237.187.144 AS9318 SK Broadband Co Ltd 1.81ms from Seoul, KR
137.83.114.0 AS14593 Space Exploration Technologies Corporation 1.00ms from Tokyo, JP
2.50.62.160 AS5384 Emirates Internet 3.98ms from Al Fujairah City, AE
84.35.145.240 AS21221 Infopact Netwerkdiensten B.V. 0.81ms from Amsterdam, NL
185.141.123.240 AS204877 Kupper IT GmbH 5.19ms from Berlin, DE
35.160.74.0 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
34.131.221.128 AS396982 Google LLC 0.09ms from Delhi, IN
79.208.217.160 AS3320 Deutsche Telekom AG 4.09ms from Frankfurt am Main, DE
86.145.54.144 AS2856 British Telecommunications PLC 5.55ms from London, GB
90.199.219.96 AS5607 Sky UK Limited 4.44ms from London, GB
172.119.145.208 AS20001 Charter Communications Inc 5.93ms from Los Angeles, US
153.197.49.80 AS4713 NTT DOCOMO BUSINESS,Inc. 6.14ms from Osaka, JP

Traceroute

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

$
traceroute -a -n -q1 -m9 138.40.35.102
traceroute to 138.40.35.102 (138.40.35.102): 9 hops max, 52 byte packets
1 [AS15169] 142.251.50.125 268.744 ms
2 *
3 [AS786] 146.97.33.2 173 ms
4 [AS786] 146.97.35.234 175.094 ms
5 *
6 [AS786] 146.97.137.74 175.205 ms
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Delhi, IN
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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