AS31816 — NMDP
AS31816 announces 3 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.
About this network
NMDP is the autonomous system for the National Marrow Donor Program.
What it's used for
- The space carries internal corporate infrastructure, evidenced by reverse DNS entries such as ftp1.nmdp.org, dev1-runtime.nmdp.org, and diy-mn4-vip.marrow.org.
- The AS announces 768 IPv4 addresses across 3 prefixes with only 2 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.
Notable
- Registrants for all three prefixes are consistent with the announcer, listing "National Marrow Donor Program" and "Network Services".
- The organization was formerly known as Be The Match, a name change reflected in its current branding and web presence.
- The address inventory consists of three /24 blocks, all located in the United States, with no IPv6 prefixes announced.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 192.112.34.0/24
- 192.149.74.0/24
- 198.175.249.0/24
Upstream networks
Adjacent networks
BGP / ASN / CIDR
awaiting query
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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