AS138947 NORTHERN TRUST CORPORATION 🇺🇸 US
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
1,024 (4 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS138947
- Name
- NORTHERN TRUST CORPORATION
- Organisation
- NORTHERN TRUST CORPORATION
- Country
- 🇺🇸 US
- RIR
- APNIC
- Allocated
- 2019-03-28
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Whois
Fetched from whois.apnic.net
as-block: AS138554 - AS139577 descr: APNIC ASN block remarks: These AS numbers are further assigned by APNIC remarks: to APNIC members and end-users in the APNIC region admin-c: HM20-AP tech-c: HM20-AP mnt-by: APNIC-HM mnt-lower: APNIC-HM last-modified: 2017-12-08T06:45:58Z source: APNIC role: APNIC Hostmaster address: PO Box 3646 address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: helpdesk@apnic.net admin-c: AMS11-AP tech-c: AH256-AP nic-hdl: HM20-AP remarks: Administrator for APNIC notify: hostmaster@apnic.net mnt-by: MAINT-APNIC-AP last-modified: 2026-08-26T00:40:00Z source: APNIC aut-num: AS138947 as-name: NTC-AS-APC descr: NORTHERN TRUST CORPORATION country: US org: ORG-TNTC1-AP admin-c: NTC8-AP tech-c: NTC8-AP abuse-c: AN865-AP mnt-lower: MAINT-NTC-AP mnt-routes: MAINT-NTC-AP mnt-by: APNIC-HM mnt-irt: IRT-NTC-AP last-modified: 2020-07-07T13:11:27Z source: APNIC irt: IRT-NTC-AP address: 50 South LaSalle Street, Chicago, IL 60603,, Chicago IL 60603 e-mail: Network-IP-Address-Admin@ntrs.com abuse-mailbox: Network-IP-Address-Admin@ntrs.com admin-c: NTC8-AP tech-c: NTC8-AP auth: # Filtered remarks: network-ip-address-admin@ntrs.com was validated on 2026-08-21 mnt-by: MAINT-NTC-AP last-modified: 2026-08-21T13:37:08Z source: APNIC organisation: ORG-TNTC1-AP org-name: NORTHERN TRUST CORPORATION org-type: LIR country: US address: NORTHERN TRUST CORPORATION address: 50 South LaSalle Street address: Chicago, IL 60603, phone: +1-312-557-4000 e-mail: Network-IP-Address-Admin@ntrs.com mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T02:17:38Z source: APNIC role: ABUSE NTCAP country: ZZ address: 50 South LaSalle Street, Chicago, IL 60603,, Chicago IL 60603 phone: +000000000 e-mail: Network-IP-Address-Admin@ntrs.com admin-c: NTC8-AP tech-c: NTC8-AP nic-hdl: AN865-AP remarks: Generated from irt object IRT-NTC-AP remarks: network-ip-address-admin@ntrs.com was validated on 2026-08-21 abuse-mailbox: Network-IP-Address-Admin@ntrs.com mnt-by: APNIC-ABUSE last-modified: 2026-08-21T13:37:54Z source: APNIC role: NORTHERN TRUST CORPORATION address: 50 South LaSalle Street, Chicago, IL 60603,, Chicago IL 60603 country: US phone: +1-630-630-6006 fax-no: +1-630-630-6006 e-mail: Network-IP-Address-Admin@ntrs.com admin-c: NTC8-AP tech-c: NTC8-AP nic-hdl: NTC8-AP mnt-by: MAINT-NTC-AP last-modified: 2018-10-30T14:34:23Z source: APNIC