Report for 19661

Name

SUSQ-BALA - Susquehanna International Group, LLP, 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.

19661 SUSQ-BALA - Susquehanna International Group, LLP, US

  Adjacency:     6  Upstream:     6  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS38195         SUPERLOOP-AS-AP Superloop, AU
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS9255          CONNECTPLUS-AS Singapore Telecom, SG
    AS6939          HURRICANE - Hurricane Electric LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2039  AS19661        ORIGIN  Originate:     124928 /15.07  Transit:          0 /0.00  SUSQ-BALA - Susquehanna International Group, LLP, 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       %
10007 AS19661       SUSQ-BALA - Susquehanna International Group,      12      4      0      8      4  33.33%


  Prefix               AS Path                              Aggregation Suggestion
  141.162.0.0/16       4777 2516 3356 19661   
  141.162.0.0/18       4777 2516 3356 19661 - Withdrawn - matching aggregate 141.162.0.0/16 4777 2516 3356 19661
  141.162.4.0/24       4777 6939 19661        
  141.162.42.0/24      4777 2497 1299 46887 19661   
  141.162.64.0/19      4777 2516 3356 19661 - Withdrawn - matching aggregate 141.162.0.0/16 4777 2516 3356 19661
  141.162.81.0/24      4777 2516 4637 3758 9255 19661   
  141.162.101.0/24     4777 2516 3356 19661 - Withdrawn - matching aggregate 141.162.0.0/16 4777 2516 3356 19661
  141.162.102.0/24     4777 2497 6461 19661   
  141.162.110.0/24     4777 2497 3356 19661 19661 19661 19661 19661 19661   
  141.162.113.0/24     4608 38195 19661       
  141.162.128.0/17     4777 2516 3356 19661 - Withdrawn - matching aggregate 141.162.0.0/16 4777 2516 3356 19661
  141.162.255.0/24     4777 6939 19661        

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

AS19661   11 More Specifics   12 Total Advertisements   SUSQ-BALA - Susquehanna International Group, LLP, US
    141.162.0.0/18                141.162.0.0/16
    141.162.4.0/24                141.162.0.0/16
    141.162.42.0/24               141.162.0.0/16
    141.162.64.0/19               141.162.0.0/16
    141.162.81.0/24               141.162.0.0/16
    141.162.101.0/24              141.162.0.0/16
    141.162.102.0/24              141.162.0.0/16
    141.162.110.0/24              141.162.0.0/16
    141.162.113.0/24              141.162.0.0/16
    141.162.128.0/17              141.162.0.0/16
    141.162.255.0/24              141.162.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS19661 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19661\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:       19661
             ASName:         SUSQ-BALA
             ASHandle:       AS19661
             RegDate:        2001-01-31
             Updated:        2019-01-09
             Ref:            https://rdap.arin.net/registry/autnum/19661
             
             
             OrgName:        Susquehanna International Group, LLP
             OrgId:          SUSQUE-7
             Address:        401 City Avenue
             City:           Bala Cynwyd
             StateProv:      PA
             PostalCode:     19004
             Country:        US
             RegDate:        2000-06-22
             Updated:        2020-08-24
             Ref:            https://rdap.arin.net/registry/entity/SUSQUE-7
             
             
             OrgNOCHandle: NOC2081-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-610-617-2755 
             OrgNOCEmail:  backbone@sig.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC2081-ARIN
             
             OrgTechHandle: BELFI-ARIN
             OrgTechName:   Belfie, Frank 
             OrgTechPhone:  +1-610-617-2764 
             OrgTechEmail:  frank.belfie@sig.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN
             
             OrgAbuseHandle: BELFI-ARIN
             OrgAbuseName:   Belfie, Frank 
             OrgAbusePhone:  +1-610-617-2764 
             OrgAbuseEmail:  frank.belfie@sig.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN
             
             OrgTechHandle: JGR45-ARIN
             OrgTechName:   Griner, Jeremy 
             OrgTechPhone:  +1-610-617-2718 
             OrgTechEmail:  griner@sig.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/JGR45-ARIN
             
             RNOCHandle: BELFI-ARIN
             RNOCName:   Belfie, Frank 
             RNOCPhone:  +1-610-617-2764 
             RNOCEmail:  frank.belfie@sig.com
             RNOCRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN
             
             RTechHandle: BELFI-ARIN
             RTechName:   Belfie, Frank 
             RTechPhone:  +1-610-617-2764 
             RTechEmail:  frank.belfie@sig.com
             RTechRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN
             
             RAbuseHandle: BELFI-ARIN
             RAbuseName:   Belfie, Frank 
             RAbusePhone:  +1-610-617-2764 
             RAbuseEmail:  frank.belfie@sig.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/BELFI-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.
             #