AS27016 — NRC-NET

AS27016 announces 1 IPv4 prefixes covering 65,536 addresses and 1 IPv6 prefixes.

About this network

The AS handle NRC-NET is held by the United States Nuclear Regulatory Commission.

What it's used for

• The address space is entirely registered under the netname USNRC for the United States Nuclear Regulatory Commission, indicating a dedicated government network for regulatory operations.
• The AS announces 65,536 IPv4 addresses across 43 prefixes and 7 IPv6 prefixes, while maintaining only 3 observed neighbours. This high address-to-neighbour ratio characterizes the network as an internal corporate estate with site-by-site segmentation rather than a transit or access provider.

Notable

• All sampled registrants align perfectly with the announcer, consistently identifying the United States Nuclear Regulatory Commission.
• The inventory consists of a single contiguous IPv4 block (148.184.0.0/19 and subnets) and a series of IPv6 prefixes under 2620:129:2000::/46, reflecting a finely subdivided internal infrastructure.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 148.184.0.0/16
• 2620:129:2000::/40

Upstream networks

• AS33657 Comcast Cable Communications, LLC
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS7922 Comcast Cable Communications, LLC

Adjacent networks

• AS33657 Comcast Cable Communications, LLC
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS7922 Comcast Cable Communications, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 31 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 19% of announcements registered; 8 route objects.
• Listed in as-sets: AS-EC-DC, AS199746:AS-BLACKLIST, AS204464:AS-BLACKLIST.