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
145.36.96.0/19	AS16509	Elsevier Limited	8,192
145.36.64.0/19	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
145.36.49.0/24	AS33820	Elsevier Limited	256
145.36.55.0/24	AS33820	Elsevier Limited	256
145.36.56.0/24	AS33820	Elsevier Limited	256
145.36.52.0/24	AS33820	Elsevier Limited	256
145.36.57.0/24	AS33820	Elsevier Limited	256
145.36.51.0/24	AS33820	Elsevier Limited	256
145.36.48.0/24	AS33820	Elsevier Limited	256
145.36.53.0/24	AS33820	Elsevier Limited	256
145.36.54.0/24	AS33820	Elsevier Limited	256
145.36.59.0/24	AS33820	Elsevier Limited	256
145.36.58.0/24	AS33820	Elsevier Limited	256
145.36.50.0/24	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
77.169.127.100	AS1136 KPN B.V.	`2.92ms` from Amsterdam, NL
45.39.207.212	AS206092 F.N.S. HOLDINGS LIMITED	`0.23ms` from Ashburn, US
104.143.84.212	AS3257 GTT Communications Inc.	`0.60ms` from Ashburn, US
110.78.188.132	AS131090 National Telecom Public Company Limited	`0.28ms` from Bangkok, TH
186.153.174.100	AS7303 Telecom Argentina S.A.	`0.85ms` from Buenos Aires, AR
211.149.181.52	AS38283 CHINANET SiChuan Telecom Internet Data Center	`2.25ms` from Chengdu, CN
98.13.18.84	AS11351 Charter Communications Inc	`15.79ms` from Chicago, US
135.74.0.4	AS18676 Avaya LLC	`2.26ms` from Dallas, US
137.226.250.100	AS47610 RWTH Aachen University	`3.89ms` from Frankfurt am Main, DE
220.191.113.4	AS4134 CHINANET-BACKBONE	`5.39ms` from Hangzhou, CN
114.107.229.228	AS140527 China Telecom	`5.40ms` from Huai'an, CN
13.33.67.180	AS16509 Amazon.com, Inc.	`0.08ms` from New York City, US
177.128.31.52	AS52631 ISP PROVERNET INFORMATICA LTDA - ME	`7.82ms` from Osasco, BR
86.217.163.212	AS3215 Orange S.A.	`9.88ms` from Paris, FR
52.187.208.116	AS8075 Microsoft Corporation	`0.66ms` from Sydney, AU
66.212.171.164	AS11342 Pathway Communications	`0.34ms` from Toronto, CA
178.238.85.52	AS397246 Ponca City Utility Authority	`6.13ms` from Tulsa, US
70.185.174.4	AS22773 Cox Communications Inc.	`3.89ms` from Atlanta, US
101.5.223.244	AS4538 China Education and Research Network Center	`5.56ms` from Beijing, CN
94.189.231.84	AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o.	`5.85ms` from Belgrade, RS
41.129.14.244	AS24863 Link Egypt (Link.NET)	`12.99ms` from Cairo, EG
149.159.150.20	AS27198 Indiana University	`5.87ms` from Indianapolis, US
175.144.132.52	AS4788 TM TECHNOLOGY SERVICES SDN. BHD.	`1.79ms` from Kuala Lumpur, MY
217.23.158.180	AS205952 LLC "ASTRA CLOUD"	`1.07ms` from Moscow, RU
125.120.68.100	AS4134 CHINANET-BACKBONE	`4.64ms` from Ningbo, CN

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 145.36.38.99

traceroute to 145.36.38.99 (145.36.38.99): 9 hops max, 52 byte packets

3 [AS62403] 193.221.194.33 6.365 ms

4 *

5 *

6 [AS3257] 89.149.186.217 88.468 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Frankfurt am Main, DE

On March 28th 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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