NORTHERN TRUST CORPORATION
Data as of 2026-11-08
GLEIF verified
Complete entity footprint
2 linked clusters ·
45 netblocks ·
8,248 IPv4 addresses ·
8 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
549300GLF98S992BC502
Registered name
NORTHERN TRUST CORPORATION
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 19 · 2,608 IPv4 addresses |
| IPv6 | 5 prefixes (largest 2403:dc40::/32) |
| Registered in | United States (12) · United Kingdom (4) |
| Also registered under this name | 24 netblocks across 4 separate records |
| Record ID | 264721869 |
| Registry | APNIC |
| Owner jurisdiction | US-DE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300GLF98S992BC502 |
| Shared handles | clustered on 18 shared RIR contact/maintainer handles |
| Registry names | 8 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (19)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 103.124.128.0/24 | NORTHERN TRUST CORPORATION | BGP | ANNOUNCED | ● high |
| 103.124.128.0/23 | NORTHERN TRUST CORPORATION | BGP | ANNOUNCED | ● high |
| 103.124.129.0/24 | NORTHERN TRUST CORPORATION | BGP | ANNOUNCED | ● high |
| 103.124.130.0/23 | NORTHERN TRUST CORPORATION | BGP | ANNOUNCED | ● high |
| 103.124.130.0/24 | NORTHERN TRUST CORPORATION | BGP | ANNOUNCED | ● high |
| 103.124.131.0/24 | NORTHERN TRUST CORPORATION | BGP | ANNOUNCED | ● high |
| 167.179.199.0/24 | NORTHERN TRUST CORPORATION | BGP | ANNOUNCED | ● high |
| 202.27.235.0/24 | NORTHERN TRUST CORPORATION | BGP | ANNOUNCED | ● high |
| 80.169.182.64/29 | NET-SE-Northern-Trust | RIPE | ASSIGNED PA | ● low |
| 80.193.245.128/28 | NORTHERN-TRUST-COMPANY-LIMITED | RIPE | ASSIGNED PA | ● low |
| 82.150.6.80/28 | northern_trust_company | RIPE | ASSIGNED PA | ● low |
| 103.124.128.0/22 | NORTHERN TRUST CORPORATION | APNIC | ALLOCATED PORTABLE | ● low |
| 194.168.59.112/29 | NORTHERN-TRUST-COMPANY-LIMITED | RIPE | ASSIGNED PA | ● low |
| 213.190.16.0/22 | Northern Trust Corporation | RIPE | ALLOCATED PA | ● low |
| 2403:dc40::/32 | NORTHERN TRUST CORPORATION | APNIC | ALLOCATED PORTABLE | ● low |
| 2a00:2381:187a::/56 | NORTHERN-TRUST-CO-LTD | RIPE | ASSIGNED | ● low |
| 2a00:2381:187a::/48 | NORTHERN-TRUST-CO-LTD | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:e235::/48 | NORTHERN-TRUST | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a0a:a00::/32 | Northern Trust Corporation | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (5)
Footprint over time
20 weekly snapshots · JSON
21
0 netblocks since 2026-07-05
2026-07-05
peak 21
2026-11-08
Corporate group (2 confirmed entities)
+4 additional unconfirmed candidates not shown — full list (JSON)- The Northern Trust Company 29 blocks
Network trust
what's this?
RPKI hygiene: D
how networks compare →
33.3%
of checked blocks have valid RPKI ROA coverage
(7 of 21)
Possible discrepancies (3)
These blocks are registered to NORTHERN TRUST CORPORATION but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:187a::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:e235::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:187a::/56 /56 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AN865-AP
APNIC-HM
AS138938
AS138947
AS138948
AS150802
AS5089-MNT
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
NTC8-AP
NTC8-AP
+6 more