AS19050 U.S. Department of Health & Human Services

TIC-DHHS-INTERIOR - U.S. Department of Health & Human Services · registered in the United States

IPv4 addresses2,5609 prefixes · <0.001% of announced IPv4

Rank in United States#5,583largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#19,852of 79,396 networks with IPv4

IPv618 x /483 prefixes

CountryUnited States18,679 ASNs registered there

Open AS19050 in ASN lookup Look up an IP in this network (156.40.93.1) All networks in United States

IPv4 prefixes

All 9 prefixes, in address order.

156.40.93.0/24
156.40.94.0/23
156.40.197.0/24
156.40.246.0/24
158.71.224.0/24
158.73.30.0/24
158.73.183.0/24
158.73.196.0/24
158.74.38.0/24

IPv6 prefixes

All 3 prefixes.

2607:f220:10::/44
2607:f220:f1::/48
2607:f220:200::/48

Similar-sized networks in United States

ASNNameIPv4 addresses

AS394760#5580 SAUCESERVERSCORP-01 - Sauce Servers LLC2,560

AS40138#5581 MDNET - Mach Dilemma, LLC2,560

AS54201#5582 WEWORK-MANAGEMENT-LLC - We Link Networks LLC2,560

AS6223#5584 CENTURYLINK-MTIPS1-STN - CenturyLink Communications, LLC2,560

AS395403#5585 NS1-INFRA - NSONE Inc2,560

AS402167#5586 AS-NEBIUS-CENTRAL - Nebius Inc.2,560

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources