145.36.32.0/20

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:        145.36.32.0 - 145.36.47.255
netname:        Elsevier-AWS-range
country:        GB
admin-c:        ENA41-RIPE
tech-c:         ENA41-RIPE
status:         LEGACY
mnt-by:         uk-elsevierltd-1-mnt
created:        2026-02-23T16:22:54Z
last-modified:  2026-02-23T16:22:54Z
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:          145.36.32.0/20
origin:         AS14618
created:        2026-02-24T11:32:50Z
last-modified:  2026-02-24T11:32:50Z
source:         RIPE
descr:          -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
remarks:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
mnt-by:         uk-elsevierltd-1-mnt

route:          145.36.32.0/20
origin:         AS16509
created:        2026-02-24T11:32:11Z
last-modified:  2026-02-24T11:32:11Z
source:         RIPE
descr:          -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
remarks:        -----BEGIN CERTIFICATE-----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-----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
145.36.16.0/20	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
134.164.113.52	AS6009 United States Department of Defense (DoD)	`0.63ms` from Atlanta, US
217.85.107.4	AS3320 Deutsche Telekom AG	`5.52ms` from Frankfurt am Main, DE
91.58.140.244	AS3320 Deutsche Telekom AG	`12.15ms` from Frankfurt am Main, DE
113.184.155.116	AS45899 VNPT Corp	`2.48ms` from Ho Chi Minh City, VN
89.150.200.4	AS136907 HUAWEI CLOUDS	`1.16ms` from Hong Kong, HK
61.109.79.4	AS17864 SK Broadband Co Ltd	`1.61ms` from Incheon, KR
118.54.130.116	AS4766 Korea Telecom	`2.05ms` from Incheon, KR
178.151.13.116	AS13188 CONTENT DELIVERY NETWORK LTD	`1.03ms` from Kyiv, UA
85.92.199.212	AS6908 Datahop - Six Degrees	`0.44ms` from London, GB
128.252.98.20	AS2552 Washington University	`6.95ms` from Mount Prospect, US
69.201.129.164	AS12271 Charter Communications Inc	`3.44ms` from New York City, US
97.237.7.52	AS6167 Verizon Business	`12.90ms` from New York City, US
5.29.67.52	AS12849 Hot-Net internet services Ltd.	`4.96ms` from Petaẖ Tiqva, IL
50.39.145.4	AS20055 Wholesail networks LLC	`1.32ms` from Portland, US
112.248.244.244	AS4837 CHINA UNICOM China169 Backbone	`9.08ms` from Qingdao, CN
160.179.149.180	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`3.11ms` from Rabat, MA
93.177.206.132	AS20910 SIA "BITE Latvija"	`0.39ms` from Riga, LV
189.1.134.164	AS28665 Predlink Rede de Telecomunicções Ltda	`0.59ms` from Rio de Janeiro, BR
80.181.56.196	AS3269 Telecom Italia S.p.A.	`4.55ms` from Rome, IT
201.94.168.20	AS28573 Claro NXT Telecomunicacoes Ltda	`12.03ms` from Sao Paulo, BR
175.17.222.84	AS4837 CHINA UNICOM China169 Backbone	`1.27ms` from Changchun, CN
113.245.242.148	AS4134 CHINANET-BACKBONE	`6.69ms` from Changsha, CN
141.12.156.4	AS28714 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.	`1.04ms` from Frankfurt am Main, DE
139.159.158.132	AS55990 Huawei Cloud Service data center	`1.63ms` from Guangzhou, CN
118.47.164.164	AS4766 Korea Telecom	`0.90ms` from Incheon, KR

Traceroute

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

traceroute -a -n -q1 -f3 -m9 145.36.45.97

traceroute to 145.36.45.97 (145.36.45.97): 9 hops max, 52 byte packets

3 [AS174] 154.24.12.189 1.117 ms

4 *

5 *

6 [AS16509] 108.166.248.33 42.194 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Jacksonville, US

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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