Report for 398097

Name

WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintrust Financial Corporation, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

398097 WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintrust Financial Corporation, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS23352         SERVERCENTRAL - DEFT.COM, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
57838 AS398097       ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintrust Financial Corporation, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
29931 AS398097      WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintru      2      2      1      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  161.199.76.0/23      4608 7575 2914 23352 398097 + Announce - aggregate of 161.199.76.0/24 (4608 7575 2914 23352 398097) and 161.199.77.0/24 (4608 7575 2914 23352 398097)
  161.199.76.0/24      4608 7575 2914 23352 398097 - Withdrawn - aggregated with 161.199.77.0/24 (4608 7575 2914 23352 398097)
  161.199.77.0/24      4608 7575 2914 23352 398097 - Withdrawn - aggregated with 161.199.76.0/24 (4608 7575 2914 23352 398097)

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS398097   2 More Specifics   2 Total Advertisements   WINTRUST-FINANCIAL-CORPORATION-EG-IL - Wintrust Financial Corporation, US
    161.199.76.0/24               161.199.76.0/22
    161.199.77.0/24               161.199.76.0/22

Whois Entry

whois: 402628

IANA has recorded AS398097 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS398097\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       398097
             ASName:         WINTRUST-FINANCIAL-CORPORATION-EG-IL
             ASHandle:       AS398097
             RegDate:        2019-10-29
             Updated:        2019-10-29
             Comment:        www.wintrust.com
             Comment:        Standard NOC hours 
             Comment:        6:00 AM to 7:00 PM CST
             Ref:            https://rdap.arin.net/registry/autnum/398097
             
             
             OrgName:        Wintrust Financial Corporation
             OrgId:          WFC-90
             Address:        9700 W. Higgins Road
             City:           Rosemont
             StateProv:      IL
             PostalCode:     60018
             Country:        US
             RegDate:        2019-04-17
             Updated:        2026-01-22
             Ref:            https://rdap.arin.net/registry/entity/WFC-90
             
             
             OrgTechHandle: WTFCA-ARIN
             OrgTechName:   WTFC5-ARIN
             OrgTechPhone:  +1-630-594-6235 
             OrgTechEmail:  wtfcextdom@wintrust.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/WTFCA-ARIN
             
             OrgAbuseHandle: WTFCA-ARIN
             OrgAbuseName:   WTFC5-ARIN
             OrgAbusePhone:  +1-630-594-6235 
             OrgAbuseEmail:  wtfcextdom@wintrust.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/WTFCA-ARIN
             
             OrgTechHandle: MASON570-ARIN
             OrgTechName:   Mason, Jermaine 
             OrgTechPhone:  +1-847-268-1329 
             OrgTechEmail:  jmason@wintrust.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MASON570-ARIN
             
             OrgTechHandle: BELAN26-ARIN
             OrgTechName:   Belance, Wavyne 
             OrgTechPhone:  +1-630-594-6235 
             OrgTechEmail:  wbelance@wintrust.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BELAN26-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #