128.41.0.0/18

AS786 · Jisc Services Limited

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Summary

Country	United Kingdom
Domain	ucl.ac.uk
ASN	AS786
Registry	RIPE
ID	UNI-COLL-LONDON-LINR

WHOIS Details

inetnum:        128.41.0.0 - 128.41.255.255
netname:        UNI-COLL-LONDON-LINR
org:            ORG-UCL4-RIPE
descr:          University College London
descr:          Department of Computer Science
descr:          Gower Street
descr:          London, WC1E 6BT
admin-c:        PPK22-RIPE
admin-c:        JA8046-RIPE
tech-c:         JA8046-RIPE
country:        GB
status:         LEGACY
mnt-by:         JANET-HOSTMASTER
mnt-lower:      JANET-HOSTMASTER
mnt-lower:      SV70005-MNT
mnt-routes:     JANET-HOSTMASTER
mnt-routes:     SV70005-MNT
mnt-domains:    JANET-HOSTMASTER
created:        1970-01-01T00:00:00Z
last-modified:  2019-12-04T13:01:57Z
source:         RIPE

organisation:   ORG-UCL4-RIPE
org-name:       University College London
org-type:       Other
address:        Department of Computer Science
address:        Gower Street
address:        London
address:        WC1E 6BT
address:        United Kingdom
e-mail:         J.Andrews@cs.ucl.ac.uk
mnt-ref:        JANET-HOSTMASTER
mnt-by:         JANET-HOSTMASTER
created:        2012-08-02T09:06:52Z
last-modified:  2012-08-02T09:06:52Z
source:         RIPE

person:         John Andrews
address:        University College London
address:        Department of Computer Science
address:        Gower Street
address:        London, WC1E 6BT
address:        GB
phone:          +44 20 7679 3691
e-mail:         J.Andrews@cs.ucl.ac.uk
nic-hdl:        JA8046-RIPE
mnt-by:         JANET-HOSTMASTER
created:        2018-01-29T14:27:51Z
last-modified:  2018-01-29T14:27:51Z
source:         RIPE

person:         Prof. Peter Kirstein
address:        University College London
address:        Department of Computer Science
address:        Gower Street
address:        London, WC1E 6BT
address:        GB
phone:          +44 20 3108 7076
e-mail:         p.kirstein@ucl.ac.uk
nic-hdl:        PPK22-RIPE
mnt-by:         JANET-HOSTMASTER
created:        2018-01-29T14:30:20Z
last-modified:  2018-01-29T14:30:20Z
source:         RIPE

route:          128.41.0.0/16
descr:          University College London
descr:          Department of Computer Science
descr:          Gower Street
descr:          London
descr:          England
descr:          WC1E 1BT
descr:          UNITED KINGDOM
origin:         AS786
mnt-by:         JIPS-NOSC
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-22T09:32:02Z
source:         RIPE

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
194.25.87.66	AS3320 Deutsche Telekom AG	`1.10ms` from Berlin, DE
20.119.185.178	AS8075 Microsoft Corporation	`0.39ms` from Boydton, US
66.26.197.18	AS11426 Charter Communications Inc	`4.18ms` from Charlotte, US
50.214.98.50	AS7922 Comcast Cable Communications, LLC	`11.56ms` from Chicago, US
173.167.186.146	AS7922 Comcast Cable Communications, LLC	`5.55ms` from Chicago, US
67.10.7.18	AS11427 Charter Communications Inc	`3.30ms` from Dallas, US
72.48.255.82	AS7459 Grande Communications Networks, LLC	`7.74ms` from Dallas, US
41.73.41.162	AS37105 RAIN GROUP HOLDINGS (PTY) LTD	`0.16ms` from Johannesburg, ZA
175.146.193.178	AS4837 CHINA UNICOM China169 Backbone	`7.12ms` from Liaoyang, CN
221.201.51.114	AS4837 CHINA UNICOM China169 Backbone	`9.31ms` from Liaoyang, CN
46.38.188.210	AS15395 Rackspace Ltd.	`1.15ms` from London, GB
31.50.156.210	AS2856 British Telecommunications PLC	`3.00ms` from London, GB
81.97.74.210	AS5089 Virgin Media Limited	`6.97ms` from London, GB
128.136.211.82	AS13649 Flexential Colorado Corp.	`6.67ms` from Miami, US
126.87.155.114	AS17676 SoftBank Corp.	`5.94ms` from Osaka, JP
111.89.222.130	AS2514 NTT PC Communications, Inc.	`5.22ms` from Osaka, JP
56.125.17.194	AS16509 Amazon.com, Inc.	`0.17ms` from Osasco, BR
198.236.21.2	AS36416 Clackamas Education Service District	`1.95ms` from Portland, US
39.77.50.146	AS4837 CHINA UNICOM China169 Backbone	`1.79ms` from Qingdao, CN
52.200.188.82	AS14618 Amazon.com, Inc.	`0.18ms` from Reston, US
200.111.89.162	AS27651 ENTEL CHILE S.A.	`0.95ms` from Santiago, CL
115.88.209.130	AS3786 LG DACOM Corporation	`2.69ms` from Seoul, KR
213.142.107.130	AS8412 T-Mobile Austria GmbH	`4.04ms` from Vienna, AT
91.106.28.2	AS205430 Piotr Jerzy Galezowski trading as FHU PING	`2.51ms` from Warsaw, PL
188.62.198.114	AS3303 Swisscom (Switzerland) Ltd	`1.29ms` from Zuerich, CH

Traceroute

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

traceroute -a -n -q1 -m13 128.41.4.71

traceroute to 128.41.4.71 (128.41.4.71): 13 hops max, 52 byte packets

1 [AS399244] 66.59.208.1 0.253 ms

2 *

3 *

4 *

5 *

6 [AS201011] 5.56.17.18 15.859 ms

7 [] 195.66.224.15 19.952 ms

8 *

9 [AS786] 146.97.33.62 18.089 ms

10 [AS786] 146.97.35.218 16.888 ms

11 *

12 *

13 *

Measurement taken from

IPinfo ProbeNet in Falkenstein, DE

On August 22nd 2025

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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