AS21975 — LOOMISSAYLES
AS21975 announces 3 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.
About this network
The AS handle LOOMISSAYLES is held by Loomis Sayles & Company, L.P.
What it's used for
- The address space carries corporate infrastructure for an investment management firm, evidenced by reverse DNS entries like user128.loomissayles.com and netnames such as UU-65-196-54.
- The AS announces 1024 IPv4 addresses across 3 prefixes with 4 observed neighbours, a ratio consistent with a small internal corporate estate rather than a transit or access network.
Notable
- Registrants largely align with the announcer, with Loomis, Sayles & Company, L P listed for two of the three prefixes, while one prefix is registered to NIM-OS, LLC.
- The inventory consists of three distinct IPv4 blocks, including a /23 and two /24s, with no IPv6 prefixes announced.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 63.104.155.0/24
- 63.118.230.0/24
- 65.196.54.0/23
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