145.36.16.0/20

AS33820 · RELX GROUP PLC

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Summary

Country	United Kingdom
Domain	elsevier.com
ASN	AS33820
Registry	RIPE
ID	ELSEVIER-AWS-RANGE

WHOIS Details

inetnum:        145.36.16.0 - 145.36.31.255
netname:        Elsevier-AWS-range
country:        GB
admin-c:        ENA41-RIPE
tech-c:         ENA41-RIPE
status:         LEGACY
mnt-by:         uk-elsevierltd-1-mnt
created:        2026-02-23T16:20:31Z
last-modified:  2026-02-23T16:20:31Z
source:         RIPE
abuse-email:    elsnetadmin@elsevier.com
abuse-c:        AR43025-RIPE
abuse-org:      ORG-EL293-RIPE

role:           Elsevier Network Administrator
address:        Nielsen House, John Smith Drive
address:        Oxford, Oxfordshire, OX4 2WB
e-mail:         elsnetadmin@elsevier.com
nic-hdl:        ENA41-RIPE
admin-c:        JH28357-RIPE
tech-c:         JH28357-RIPE
mnt-by:         uk-elsevierltd-1-mnt
created:        2017-09-13T11:13:05Z
last-modified:  2025-07-02T12:38:45Z
source:         RIPE

route:          145.36.16.0/20
origin:         AS14618
created:        2026-02-24T10:15:35Z
last-modified:  2026-02-24T10:15:35Z
source:         RIPE
remarks:        -----BEGIN CERTIFICATE-----MIIDSzCCAjOgAwIBAgIUav/3DPuQVG7ddZigRTLHfxDfEDwwDQYJKoZIhvcNAQELBQAwNTELMAkGA1UEBhMCR0IxDzANBgNVBAcMBkxvbmRvbjEVMBMGA1UECgwMRWxzZXZpZXIgTHRkMB4XDTI2MDIyNDA5MTgwNFoXDTI3MDIyNDA5MTgwNFowNTELMAkGA1UEBhMCR0IxDzANBgNVBAcMBkxvbmRvbjEVMBMGA1UECgwMRWxzZXZpZXIgTHRkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw2UZr0TDOSwMSnD2bhX9Wq4AIK7+x3QzrGFinBE0ow61vtdSX5vNZTsC0296QidN5CFOy7WtzBq1kYHlad4puung2RrmlBEo82ZL5fvzz7WtvKeQvS6MzMMj+wXGwvTtvsfCKg2FhiY1/L8FFwvB4RhmIYp7X9qEYac8zx92Z5SklP54CfiQIcIs7sjKbaoFcCNpdcsYvZMEuk7QgvTEbTK+Z5Q+xz2yDyNxDkT57JBYmCQ8DPVPscFfKxwCAnHlINcKMvhE829u8x/Ypq0AWpQVwfXeJTrwOUXbD7qoW5epN7ekSRww/HtArcGe8/qWKDDO2lTujTSBNePseh0MHQIDAQABo1MwUTAdBgNVHQ4EFgQUaDSt9oJBeYXc8u6qArhqLAate6swHwYDVR0jBBgwFoAUaDSt9oJBeYXc8u6qArhqLAate6swDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAb69suZZWkYlbUvDJNkGSy7FtdkLVM4XzluuPKe7lFYWDwRVtxMdkwenzgAEdzDpmYdDfY+FJ7+HuwI7q3Tx6Ovqi7FFofhI5yx0GUmLl194NVswjXaDpeybcXekjUE+awKp3ZoLuR1CKxeRhDiGx9/4itgrg5lpyrJKHhAwDLzcPjSVgnWNqn55rabm0MP2vGtvyxTCFvsy2H78hG3Il41qkKdUjr5vXdwQ5YOYGbINw4OR2ncJMerxtsehazxyrlmnBOEDYK3aj3a+tqzf3kFYg4As/6NUYcJN7UW/qGmn4J16BPTlkLj4ddyddsutHe4z3n/sxVksDNS1UEcKDmQ==-----END CERTIFICATE-----
descr:          -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
mnt-by:         uk-elsevierltd-1-mnt

route:          145.36.16.0/20
origin:         AS16509
created:        2026-02-24T09:19:14Z
last-modified:  2026-02-24T09:19:14Z
source:         RIPE
descr:          -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
remarks:        -----BEGIN CERTIFICATE-----MIIDSzCCAjOgAwIBAgIUav/3DPuQVG7ddZigRTLHfxDfEDwwDQYJKoZIhvcNAQELBQAwNTELMAkGA1UEBhMCR0IxDzANBgNVBAcMBkxvbmRvbjEVMBMGA1UECgwMRWxzZXZpZXIgTHRkMB4XDTI2MDIyNDA5MTgwNFoXDTI3MDIyNDA5MTgwNFowNTELMAkGA1UEBhMCR0IxDzANBgNVBAcMBkxvbmRvbjEVMBMGA1UECgwMRWxzZXZpZXIgTHRkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw2UZr0TDOSwMSnD2bhX9Wq4AIK7+x3QzrGFinBE0ow61vtdSX5vNZTsC0296QidN5CFOy7WtzBq1kYHlad4puung2RrmlBEo82ZL5fvzz7WtvKeQvS6MzMMj+wXGwvTtvsfCKg2FhiY1/L8FFwvB4RhmIYp7X9qEYac8zx92Z5SklP54CfiQIcIs7sjKbaoFcCNpdcsYvZMEuk7QgvTEbTK+Z5Q+xz2yDyNxDkT57JBYmCQ8DPVPscFfKxwCAnHlINcKMvhE829u8x/Ypq0AWpQVwfXeJTrwOUXbD7qoW5epN7ekSRww/HtArcGe8/qWKDDO2lTujTSBNePseh0MHQIDAQABo1MwUTAdBgNVHQ4EFgQUaDSt9oJBeYXc8u6qArhqLAate6swHwYDVR0jBBgwFoAUaDSt9oJBeYXc8u6qArhqLAate6swDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEAb69suZZWkYlbUvDJNkGSy7FtdkLVM4XzluuPKe7lFYWDwRVtxMdkwenzgAEdzDpmYdDfY+FJ7+HuwI7q3Tx6Ovqi7FFofhI5yx0GUmLl194NVswjXaDpeybcXekjUE+awKp3ZoLuR1CKxeRhDiGx9/4itgrg5lpyrJKHhAwDLzcPjSVgnWNqn55rabm0MP2vGtvyxTCFvsy2H78hG3Il41qkKdUjr5vXdwQ5YOYGbINw4OR2ncJMerxtsehazxyrlmnBOEDYK3aj3a+tqzf3kFYg4As/6NUYcJN7UW/qGmn4J16BPTlkLj4ddyddsutHe4z3n/sxVksDNS1UEcKDmQ==-----END CERTIFICATE-----
mnt-by:         uk-elsevierltd-1-mnt

Nearby Ranges

BGP prefixes that overlap with 145.36.0.0/16

Range	ASN	Company	Num of IPs
145.36.128.0/17	AS16509	Elsevier Limited	32,768
145.36.64.0/19	AS16509	Elsevier Limited	8,192
145.36.96.0/19	AS16509	Elsevier Limited	8,192
145.36.0.0/20	AS33820	Elsevier Limited	4,096
145.36.32.0/20	AS33820	Elsevier Limited	4,096
145.36.48.0/24	AS33820	Elsevier Limited	256
145.36.49.0/24	AS33820	Elsevier Limited	256
145.36.50.0/24	AS33820	Elsevier Limited	256
145.36.51.0/24	AS33820	Elsevier Limited	256
145.36.52.0/24	AS33820	Elsevier Limited	256
145.36.53.0/24	AS33820	Elsevier Limited	256
145.36.54.0/24	AS33820	Elsevier Limited	256
145.36.55.0/24	AS33820	Elsevier Limited	256
145.36.56.0/24	AS33820	Elsevier Limited	256
145.36.57.0/24	AS33820	Elsevier Limited	256
145.36.58.0/24	AS33820	Elsevier Limited	256
145.36.59.0/24	AS33820	Elsevier Limited	256

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

Read more

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
186.114.103.84	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`6.39ms` from Bogota, CO
99.136.87.180	AS7018 AT&T Enterprises, LLC	`2.29ms` from Dallas, US
168.61.155.68	AS8075 Microsoft Corporation	`0.35ms` from Des Moines, US
103.233.142.244	AS38505 PT Graha Multimedia Nusantara	`0.96ms` from Jakarta, ID
124.159.96.148	AS7679 QTnet,Inc.	`9.63ms` from Osaka, JP
109.222.133.148	AS3215 Orange S.A.	`6.46ms` from Paris, FR
73.189.221.84	AS7922 Comcast Cable Communications, LLC	`5.60ms` from San Jose, US
69.248.151.244	AS7922 Comcast Cable Communications, LLC	`8.41ms` from Secaucus, US
105.232.69.36	AS37009 MTC - Mobile Telecommunications, Ltd.	`2.25ms` from Windhoek, NA
178.194.239.116	AS3303 Swisscom (Switzerland) Ltd	`1.31ms` from Zuerich, CH
23.108.218.68	AS7979 Servers.com, Inc.	`0.61ms` from Amsterdam, NL
157.151.120.164	AS31898 Oracle Corporation	`2.00ms` from Ashburn, US
141.89.115.132	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`1.65ms` from Berlin, DE
194.176.255.212	AS5483 Magyar Telekom Plc.	`10.90ms` from Budapest, HU
198.235.0.4	AS13997 Rapid Displays, Inc	`1.53ms` from Chicago, US
87.174.72.244	AS3320 Deutsche Telekom AG	`4.79ms` from Frankfurt am Main, DE
31.117.71.148	AS2856 British Telecommunications PLC	`5.38ms` from London, GB
68.111.134.244	AS22773 Cox Communications Inc.	`7.78ms` from Los Angeles, US
83.105.232.132	AS5378 Vodafone Limited	`7.37ms` from Manchester, GB
173.250.224.20	AS14221 University of Washington	`7.94ms` from Missoula, US
67.241.8.36	AS11351 Charter Communications Inc	`15.65ms` from New York City, US
177.214.186.180	AS26599 TELEFÔNICA BRASIL S.A	`1.47ms` from Osasco, BR
193.91.169.4	AS2116 GLOBALCONNECT AS	`1.95ms` from Oslo, NO
212.247.9.244	AS1257 Tele2 Sverige AB	`0.51ms` from Stockholm, SE
134.159.166.68	AS4637 Telstra Global	`1.61ms` from Sydney, AU

Traceroute

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

traceroute -a -n -q1 -m5 145.36.20.222

traceroute to 145.36.20.222 (145.36.20.222): 5 hops max, 52 byte packets

1 [AS42473] 217.146.4.160 0.505 ms

2 [AS9002] 87.245.244.12 0.588 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Budapest, HU

On March 20th 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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