Autonomous system profile

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

AS557

Announcement observedARIN

University of Maine System · UMAINE-SYS-AS

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

Last active9/29/2026, 20:59:35Snapshot expired

View network topology RDAP registration

ASN: AS557
Registration country: United States
Name: University of Maine System
Abbreviation: UMAINE-SYS-AS
Registration date: 12/13/1989, 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
130.111.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
141.114.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
169.244.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
198.148.217.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
198.182.161.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
198.182.162.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
198.202.151.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
199.33.141.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
204.137.240.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
204.197.0.0/17BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
207.166.224.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
209.222.192.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
209.222.192.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
64.45.64.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
65.18.0.0/18BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
65.18.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid
65.18.96.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/14/2026, 16:00:00	10/31/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: University of Maine System
RIR: ARIN
Registration country: United States
Registration date: 12/13/1989, 05:00:00
Abuse contact: abuse@maine.edu

Snapshot trend

9/29/2026, 20:59:3517 v41 v65 Upstream · 1 Uncertain

9/28/2026, 20:49:1917 v41 v65 Upstream · 1 Uncertain

9/28/2026, 20:47:320 v40 v60 Upstream · 0 Uncertain

9/27/2026, 15:33:390 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 · iana-rdap-asn-bootstrap · rir-rdap-asn