Autonomous system profile

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

AS138947

Announcement observedAPNIC

NTC-AS-APC - NORTHERN TRUST CORPORATION · NTC-AS-APC

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

Last active10/7/2026, 10:50:54Snapshot expired

View network topology RDAP registration

ASN: AS138947
Registration country: United States
Name: NTC-AS-APC - NORTHERN TRUST CORPORATION
Abbreviation: NTC-AS-APC
Registration date: 3/28/2019, 06:27:10
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
103.124.128.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/23/2026, 00:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
103.124.128.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/23/2026, 00:00:00	10/17/2026, 00:00:00	✓	×	Currently valid
103.124.129.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/23/2026, 00:00:00	10/17/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: NTC-AS-APC - NORTHERN TRUST CORPORATION
RIR: APNIC
Registration country: United States
Registration date: 3/28/2019, 06:27:10
Abuse contact: Network-IP-Address-Admin@ntrs.com

Snapshot trend

10/7/2026, 10:50:543 v40 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