Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS50

Announcement observedARIN

Oak Ridge National Laboratory · ORNL-MSRNET

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/29/2026, 05:49:51Snapshot expired

View network topology RDAP registration

ASN: AS50
Registration country: United States
Name: Oak Ridge National Laboratory
Abbreviation: ORNL-MSRNET
Registration date: 9/20/1985, 04:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
128.219.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
160.91.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
192.12.68.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
192.148.93.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
192.148.96.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
192.188.177.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
192.188.178.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
192.188.180.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
192.188.182.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record
192.31.96.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Oak Ridge National Laboratory
RIR: ARIN
Registration country: United States
Registration date: 9/20/1985, 04:00:00
Abuse contact: netmgr@ornl.gov

Snapshot trend

9/29/2026, 05:49:5110 v41 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn