Autonomous system profile

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

AS57

Announcement observedARIN

NL-GIGAPOP - University of Minnesota · NL-GIGAPOP

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

Last active10/22/2026, 14:10:02Snapshot expired

View network topology RDAP registration

ASN: AS57
Registration country: United States
Name: NL-GIGAPOP - University of Minnesota
Abbreviation: NL-GIGAPOP
Registration date: 12/18/1985, 05:00:00
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
146.57.248.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
192.35.86.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
192.42.152.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/22/2026, 08:00:00	✓	×	Currently valid
64.62.149.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/22/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: NL-GIGAPOP - University of Minnesota
RIR: ARIN
Registration country: United States
Registration date: 12/18/1985, 05:00:00
Abuse contact: abuse@umn.edu

Snapshot trend

10/22/2026, 14:10:024 v41 v68 Upstream · 0 Uncertain

10/21/2026, 02:32:404 v41 v69 Upstream · 0 Uncertain

10/4/2026, 01:17:114 v41 v610 Upstream · 0 Uncertain

10/2/2026, 08:36:464 v41 v69 Upstream · 0 Uncertain

9/28/2026, 20:19:414 v41 v69 Upstream · 0 Uncertain

9/28/2026, 20:17:530 v40 v60 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 · rir-rdap-asn · iana-rdap-asn-bootstrap