AS26810

U.S. Dept. of Health and Human Services

AS 26810 HHSNET-NOC-ASN

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

IPv4 Prefixes for AS26810

Network		Location	Addresses
158.70.0.0/16	U.S. Dept. of Health and Human Services	Rockville	65,536
158.70.144.0/24	U.S. Dept. of Health and Human Services	Pasco	256
158.71.0.0/17	U.S. Dept. of Health and Human Services	Rockville	32,768
158.71.128.0/18	U.S. Dept. of Health and Human Services	Rockville	16,384
158.71.192.0/19	U.S. Dept. of Health and Human Services	Rockville	8,192
158.71.192.0/24	U.S. Dept. of Health and Human Services	Rockville	256
158.72.0.0/16	U.S. Dept. of Health and Human Services	Rockville	65,536
158.72.139.0/24	U.S. Dept. of Health and Human Services	Rockville	256
158.74.0.0/16	U.S. Dept. of Health and Human Services	Rockville	65,536
158.74.30.0/24	U.S. Dept. of Health and Human Services	Pasco	256
158.74.35.0/24	U.S. Dept. of Health and Human Services	Pasco	256
162.99.0.0/17	U.S. Dept. of Health and Human Services	Rockville	32,768
162.99.128.0/18	U.S. Dept. of Health and Human Services	Rockville	16,384
162.99.192.0/19	U.S. Dept. of Health and Human Services	Rockville	8,192
198.102.218.0/24	U.S. Dept. of Health and Human Services	Rockville	256
198.179.0.0/23	U.S. Dept. of Health and Human Services	North Bethesda	512
198.179.2.0/24	U.S. Dept. of Health and Human Services	Ashburn	256

IPv6 Prefixes for AS26810

Network		Location	/64 Prefixes
2601:9600::/24	U.S. Dept. of Health and Human Services	Rockville	2⁴⁰
2607:f220:600::/44	U.S. Dept. of Health and Human Services	Ashburn	2²⁰
2607:f220::/44	U.S. Dept. of Health and Human Services	Ashburn	2²⁰