AS12185 Thompson, Siegel & Walmsley LLC 🇺🇸 US

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes

768 (3 × /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: AS12185
Name: Thompson, Siegel & Walmsley LLC
Organisation: Thompson, Siegel & Walmsley LLC
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2009-02-03

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1 valid (33.3%) 0 invalid (0.0%) 2 no ROA (66.7%)

Whois

Fetched from whois.arin.net

ASNumber:       12185
ASName:         ASN1
ASHandle:       AS12185
RegDate:        2009-02-03
Updated:        2025-06-09
Ref:            https://rdap.arin.net/registry/autnum/12185

OrgName:        Thompson, Siegel & Walmsley LLC
OrgId:          THOMP-32
Address:        6806 Paragon Place
Address:        Suite 300
City:           Richmond
StateProv:      VA
PostalCode:     23230
Country:        US
RegDate:        2008-11-20
Updated:        2025-06-09
Ref:            https://rdap.arin.net/registry/entity/THOMP-32

OrgTechHandle: TSW44-ARIN
OrgTechName:   TSW
OrgTechPhone:  +1-804-353-4500
OrgTechEmail:  ecayton@tswinvest.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TSW44-ARIN

OrgAbuseHandle: TSW44-ARIN
OrgAbuseName:   TSW
OrgAbusePhone:  +1-804-353-4500
OrgAbuseEmail:  ecayton@tswinvest.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TSW44-ARIN

RAbuseHandle: TSW44-ARIN
RAbuseName:   TSW
RAbusePhone:  +1-804-353-4500
RAbuseEmail:  ecayton@tswinvest.com
RAbuseRef:    https://rdap.arin.net/registry/entity/TSW44-ARIN

RNOCHandle: TSW44-ARIN
RNOCName:   TSW
RNOCPhone:  +1-804-353-4500
RNOCEmail:  ecayton@tswinvest.com
RNOCRef:    https://rdap.arin.net/registry/entity/TSW44-ARIN

RTechHandle: TSW44-ARIN
RTechName:   TSW
RTechPhone:  +1-804-353-4500
RTechEmail:  ecayton@tswinvest.com
RTechRef:    https://rdap.arin.net/registry/entity/TSW44-ARIN