AS31971 Columbia Bank 🇺🇸 US

Announcing 1 prefixes, seen at the RIS collectors.

IPv4 prefixes

256 (1 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS31971
Name: Columbia Bank
Organisation: Columbia Bank
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2019-01-18

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 1 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       31971
ASName:         UHC-SV
ASHandle:       AS31971
RegDate:        2019-01-18
Updated:        2026-08-05
Ref:            https://rdap.arin.net/registry/autnum/31971

OrgName:        Columbia Bank
OrgId:          CB-1546
Address:        5885 Meadows Road Suite 400
City:           Lake Oswego
StateProv:      OR
PostalCode:     97035
Country:        US
RegDate:        2026-01-26
Updated:        2026-06-23
Ref:            https://rdap.arin.net/registry/entity/CB-1546

OrgAbuseHandle: SANDE528-ARIN
OrgAbuseName:   Sanders, Robin
OrgAbusePhone:  +1-949-224-8888
OrgAbuseEmail:  RobinSanders@ColumbiaBank.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/SANDE528-ARIN

OrgTechHandle: SANDE528-ARIN
OrgTechName:   Sanders, Robin
OrgTechPhone:  +1-949-224-8888
OrgTechEmail:  RobinSanders@ColumbiaBank.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SANDE528-ARIN