Autonomous system profile

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

AS49

Announcement observedARIN

National Institute of Standards and Technology · US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY

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

Last active10/28/2026, 14:38:48Snapshot expired

View network topology RDAP registration

ASN: AS49
Registration country: United States
Name: National Institute of Standards and Technology
Abbreviation: US-NATIONAL-INSTITUTE-OF-STANDARDS-AND-TECHNOLOGY
Registration date: 9/4/1985, 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
129.6.0.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.12.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.128.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.14.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.15.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.16.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.24.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.28.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.29.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.30.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.31.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.32.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.36.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.38.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.40.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.48.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.50.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.52.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.56.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
129.6.8.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
132.163.96.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid
132.163.97.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 00:00:00	10/28/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: National Institute of Standards and Technology
RIR: ARIN
Registration country: United States
Registration date: 9/4/1985, 04:00:00
Abuse contact: netops@nist.gov

Snapshot trend

10/28/2026, 14:38:4823 v47 v63 Upstream · 0 Uncertain

9/29/2026, 05:49:4723 v47 v63 Upstream · 0 Uncertain

9/29/2026, 05:49:4623 v47 v63 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