Autonomous system profile

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

AS3999

Announcement observedARIN

PENN-STATE - The Pennsylvania State University · PENN-STATE

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

Last active9/29/2026, 11:19:16Snapshot expired

View network topology RDAP registration

ASN: AS3999
Registration country: United States
Name: PENN-STATE - The Pennsylvania State University
Abbreviation: PENN-STATE
Registration date: 11/4/1994, 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
104.38.0.0/15BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
128.118.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
130.203.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
146.186.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
150.231.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
192.112.253.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
192.5.157.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
192.5.158.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
192.5.159.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
192.5.160.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
192.5.161.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
66.71.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid
75.102.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 08:00:00	9/30/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: PENN-STATE - The Pennsylvania State University
RIR: ARIN
Registration country: United States
Registration date: 11/4/1994, 05:00:00
Abuse contact: abuse@psu.edu

Snapshot trend

9/29/2026, 11:19:1613 v41 v613 Upstream · 7 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