Autonomous system profile

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

AS33583

Announcement observedARIN

Isabella Bank Corporation · IBC-FGIS

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

Last active10/16/2026, 00:00:00Snapshot expired

View network topology RDAP registration

ASN: AS33583
Registration country: United States
Name: Isabella Bank Corporation
Abbreviation: IBC-FGIS
Registration date: 10/4/2010, 19:04:02
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
199.30.148.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record
199.30.149.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record
199.30.150.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 08:00:00	10/2/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: Isabella Bank Corporation
RIR: ARIN
Registration country: United States
Registration date: 10/4/2010, 19:04:02
Abuse contact: ITServices@isabellabank.com

Snapshot trend

10/2/2026, 15:39:143 v40 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 · cha-la-bgp-observations