AS70

Name: AS70 — National Library of Medicine
Creator: ipdex

National Library of Medicine Unknown registered in United States

64IPv4 prefixes

2IPv6 prefixes

100%RPKI-valid

#7,791AS Rank

327/327RIS visibility

#514Rank in United States

1986-04-14Allocated

National Library of Medicine (AS70) — Unknown, registered in United States. announces 64 IPv4 prefixes + 2 IPv6 prefixes. Rank in United States: #514. Allocated: 1986-04-14.

IPv4 64IPv6 2

Announced prefixes · 66

v4 130.14.244.0/23 valid
v4 130.14.248.0/23 valid
v4 130.14.253.0/24 valid
v4 130.14.254.0/24 valid
v4 130.14.43.0/24 valid
v4 130.14.5.0/24 valid
v4 130.14.6.0/24 valid
v4 130.14.64.0/18 valid
v4 130.14.71.0/24 valid
v4 130.14.72.0/24 valid
v4 130.14.75.0/24 valid
v4 130.14.76.0/24 valid
v4 130.14.77.0/24 valid
v4 130.14.8.0/23 valid
v6 2607:f220:411::/48 valid
v6 2607:f220:41e::/48 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 64 IPv4 · 2 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-18

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	66
2026-06-13	66

AS topology · Customer cone 2

Providers · 2

AS10886 University of Maryland
AS19050 U.S. Department of Health & Human Services

Customers · 1

AS393689 National Library of Medicine

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