AS19050

Name: AS19050 — U.S. Department of Health & Human Services
Creator: ipdex

U.S. Department of Health & Human Services Unknown registered in United States

10IPv4 prefixes

3IPv6 prefixes

31%RPKI-valid

#3,091AS Rank

327/327RIS visibility

#2,580Rank in United States

2012-10-03Allocated

U.S. Department of Health & Human Services (AS19050) — Unknown, registered in United States. announces 10 IPv4 prefixes + 3 IPv6 prefixes. Rank in United States: #2580. Allocated: 2012-10-03.

IPv4 10IPv6 3

Announced prefixes · 13

v4 156.40.197.0/24 valid
v4 156.40.93.0/24 valid
v4 156.40.94.0/24 valid
v4 156.40.95.0/24 valid
v4 158.71.224.0/24 unknown
v4 158.73.0.0/16 unknown
v4 158.73.196.0/24 unknown
v4 158.74.38.0/24 unknown
v4 198.179.3.0/24 unknown
v4 198.179.4.0/24 unknown
v6 2607:f220:10::/44 unknown
v6 2607:f220:200::/44 unknown
v6 2607:f220:f1::/48 unknown

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

Routing: 10 IPv4 · 3 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

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	13
2026-06-13	13

AS topology · Customer cone 8

Providers · 1

AS15029

Customers · 7

AS70 National Library of Medicine
AS3527 National Institutes of Health
AS5766 Indian Health Service
AS13611 U.S. Center For Disease Control and Prevention
AS22828 United States Food and Drug Administration
AS26810 U.S. Dept. of Health and Human Services

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