Autonomous system profile

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

AS29899

Announcement observedARIN

GEISINGER - Geisinger System Services · GEISINGER

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

Last active10/2/2026, 05:30:01Snapshot expired

View network topology RDAP registration

ASN: AS29899
Registration country: United States
Name: GEISINGER - Geisinger System Services
Abbreviation: GEISINGER
Registration date: 6/3/2003, 19:34:39
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
159.240.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Currently valid
159.240.131.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 00:00:00	10/2/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: GEISINGER - Geisinger System Services
RIR: ARIN
Registration country: United States
Registration date: 6/3/2003, 19:34:39
Abuse contact: nianetworkinfraarchitects@geisinger.edu

Snapshot trend

10/2/2026, 05:30:012 v41 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 · rir-rdap-asn · iana-rdap-asn-bootstrap