Report for 18551

Name

ROTHINC - Rothschild & Co US Inc., 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.

18551 ROTHINC - Rothschild & Co US Inc., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24373 AS18551        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  ROTHINC - Rothschild & Co US Inc., 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       %
34847 AS18551       ROTHINC - Rothschild & Co US Inc., US              2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  216.145.32.0/22      4777 2497 6461 18551   
  216.145.44.0/22      4777 2497 6461 18551   

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

AS18551   1 More Specifics   2 Total Advertisements   ROTHINC - Rothschild & Co US Inc., US
    216.145.32.0/22               216.145.32.0/21

Whois Entry

whois: 402603

IANA has recorded AS18551 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18551\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:       18551
             ASName:         ROTHINC
             ASHandle:       AS18551
             RegDate:        2000-09-12
             Updated:        2020-05-14
             Ref:            https://rdap.arin.net/registry/autnum/18551
             
             
             OrgName:        Rothschild & Co US Inc.
             OrgId:          ROTHSC-3
             Address:        1251 Avenue of the Americas,
             City:           New York
             StateProv:      NY
             PostalCode:     10016
             Country:        US
             RegDate:        2000-08-01
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/ROTHSC-3
             
             
             OrgAbuseHandle: LAURE51-ARIN
             OrgAbuseName:   LAURENCEAU, GERALD 
             OrgAbusePhone:  +1-212-403-3684 
             OrgAbuseEmail:  gerald.laurenceau@rothschildandco.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/LAURE51-ARIN
             
             OrgAbuseHandle: PERRI143-ARIN
             OrgAbuseName:   Perring, Alan 
             OrgAbusePhone:  +44 20 7280 5949 
             OrgAbuseEmail:  alan.perring@rothschildandco.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/PERRI143-ARIN
             
             OrgAbuseHandle: WICKH20-ARIN
             OrgAbuseName:   Wickham, Graham 
             OrgAbusePhone:  +44 207 280 5718 
             OrgAbuseEmail:  graham.wickham@rothschildandco.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/WICKH20-ARIN
             
             OrgRoutingHandle: PERRI143-ARIN
             OrgRoutingName:   Perring, Alan 
             OrgRoutingPhone:  +44 20 7280 5949 
             OrgRoutingEmail:  alan.perring@rothschildandco.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/PERRI143-ARIN
             
             OrgDNSHandle: PERRI143-ARIN
             OrgDNSName:   Perring, Alan 
             OrgDNSPhone:  +44 20 7280 5949 
             OrgDNSEmail:  alan.perring@rothschildandco.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/PERRI143-ARIN
             
             OrgDNSHandle: WICKH20-ARIN
             OrgDNSName:   Wickham, Graham 
             OrgDNSPhone:  +44 207 280 5718 
             OrgDNSEmail:  graham.wickham@rothschildandco.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/WICKH20-ARIN
             
             OrgRoutingHandle: WICKH20-ARIN
             OrgRoutingName:   Wickham, Graham 
             OrgRoutingPhone:  +44 207 280 5718 
             OrgRoutingEmail:  graham.wickham@rothschildandco.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/WICKH20-ARIN
             
             OrgRoutingHandle: LAURE51-ARIN
             OrgRoutingName:   LAURENCEAU, GERALD 
             OrgRoutingPhone:  +1-212-403-3684 
             OrgRoutingEmail:  gerald.laurenceau@rothschildandco.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/LAURE51-ARIN
             
             OrgDNSHandle: LAURE51-ARIN
             OrgDNSName:   LAURENCEAU, GERALD 
             OrgDNSPhone:  +1-212-403-3684 
             OrgDNSEmail:  gerald.laurenceau@rothschildandco.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/LAURE51-ARIN
             
             OrgNOCHandle: WICKH20-ARIN
             OrgNOCName:   Wickham, Graham 
             OrgNOCPhone:  +44 207 280 5718 
             OrgNOCEmail:  graham.wickham@rothschildandco.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/WICKH20-ARIN
             
             OrgTechHandle: LAURE51-ARIN
             OrgTechName:   LAURENCEAU, GERALD 
             OrgTechPhone:  +1-212-403-3684 
             OrgTechEmail:  gerald.laurenceau@rothschildandco.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/LAURE51-ARIN
             
             OrgTechHandle: WICKH20-ARIN
             OrgTechName:   Wickham, Graham 
             OrgTechPhone:  +44 207 280 5718 
             OrgTechEmail:  graham.wickham@rothschildandco.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/WICKH20-ARIN
             
             OrgNOCHandle: LAURE51-ARIN
             OrgNOCName:   LAURENCEAU, GERALD 
             OrgNOCPhone:  +1-212-403-3684 
             OrgNOCEmail:  gerald.laurenceau@rothschildandco.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/LAURE51-ARIN
             
             OrgNOCHandle: PERRI143-ARIN
             OrgNOCName:   Perring, Alan 
             OrgNOCPhone:  +44 20 7280 5949 
             OrgNOCEmail:  alan.perring@rothschildandco.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/PERRI143-ARIN
             
             OrgTechHandle: PERRI143-ARIN
             OrgTechName:   Perring, Alan 
             OrgTechPhone:  +44 20 7280 5949 
             OrgTechEmail:  alan.perring@rothschildandco.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/PERRI143-ARIN
             
             RTechHandle: PERRI143-ARIN
             RTechName:   Perring, Alan 
             RTechPhone:  +44 20 7280 5949 
             RTechEmail:  alan.perring@rothschildandco.com
             RTechRef:    https://rdap.arin.net/registry/entity/PERRI143-ARIN
             
             RNOCHandle: PERRI143-ARIN
             RNOCName:   Perring, Alan 
             RNOCPhone:  +44 20 7280 5949 
             RNOCEmail:  alan.perring@rothschildandco.com
             RNOCRef:    https://rdap.arin.net/registry/entity/PERRI143-ARIN
             
             RTechHandle: LAURE51-ARIN
             RTechName:   LAURENCEAU, GERALD 
             RTechPhone:  +1-212-403-3684 
             RTechEmail:  gerald.laurenceau@rothschildandco.com
             RTechRef:    https://rdap.arin.net/registry/entity/LAURE51-ARIN
             
             RAbuseHandle: LAURE51-ARIN
             RAbuseName:   LAURENCEAU, GERALD 
             RAbusePhone:  +1-212-403-3684 
             RAbuseEmail:  gerald.laurenceau@rothschildandco.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/LAURE51-ARIN
             
             RAbuseHandle: PERRI143-ARIN
             RAbuseName:   Perring, Alan 
             RAbusePhone:  +44 20 7280 5949 
             RAbuseEmail:  alan.perring@rothschildandco.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/PERRI143-ARIN
             
             RNOCHandle: WICKH20-ARIN
             RNOCName:   Wickham, Graham 
             RNOCPhone:  +44 207 280 5718 
             RNOCEmail:  graham.wickham@rothschildandco.com
             RNOCRef:    https://rdap.arin.net/registry/entity/WICKH20-ARIN
             
             RTechHandle: WICKH20-ARIN
             RTechName:   Wickham, Graham 
             RTechPhone:  +44 207 280 5718 
             RTechEmail:  graham.wickham@rothschildandco.com
             RTechRef:    https://rdap.arin.net/registry/entity/WICKH20-ARIN
             
             RNOCHandle: LAURE51-ARIN
             RNOCName:   LAURENCEAU, GERALD 
             RNOCPhone:  +1-212-403-3684 
             RNOCEmail:  gerald.laurenceau@rothschildandco.com
             RNOCRef:    https://rdap.arin.net/registry/entity/LAURE51-ARIN
             
             RAbuseHandle: WICKH20-ARIN
             RAbuseName:   Wickham, Graham 
             RAbusePhone:  +44 207 280 5718 
             RAbuseEmail:  graham.wickham@rothschildandco.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/WICKH20-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.
             #