AS33820 — REED-ELSEVIER-AS
AS33820 announces 8 IPv4 prefixes covering 16,384 addresses and 0 IPv6 prefixes.
About this network
REED-ELSEVIER-AS is operated by RELX Group PLC, a major global provider of information and analytics services.
What it's used for
- The address space carries corporate infrastructure for the publisher, with netnames explicitly identifying Elsevier and MATTHEW-BENDER-NET (a legal publishing imprint owned by RELX).
- The AS announces 16384 IPv4 addresses across 8 prefixes, with only 2 observed routing neighbours, indicating a small, self-contained internal corporate estate rather than a transit or access network.
Notable
- Registrants align with the announcer, showing Elsevier Limited and RELX inc. for the respective prefix blocks.
- The operator was formerly known as Reed Elsevier, a name that persists in the AS handle and registry records following the corporate rebrand to RELX Group.
- The inventory consists of a large /19 block and several smaller /20 to /24 prefixes, all located in the United Kingdom.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 145.36.0.0/19
- 145.36.32.0/20
- 145.36.48.0/21
- 145.36.56.0/22
- 198.176.121.0/24
- 198.176.123.0/24
- 198.176.124.0/24
- 198.176.126.0/24
Upstream networks
Adjacent networks
BGP / ASN / CIDR
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IPv4
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IPv6
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Search Results
IPv4 Prefixes
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IPv6 Prefixes
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Total Prefixes
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Unique /24s
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⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED