Report for 17033

Name

CSL-ASN-AS17033 - CSL Behring L.L.C, 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.

17033 CSL-ASN-AS17033 - CSL Behring L.L.C, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
48337 AS17033        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  CSL-ASN-AS17033 - CSL Behring L.L.C, 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       %
34737 AS17033       CSL-ASN-AS17033 - CSL Behring L.L.C, US            2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  8.48.225.0/24        4777 2497 3356 17033   
  12.3.33.0/24         4777 2497 174 17033    

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

AS17033   2 More Specifics   2 Total Advertisements   CSL-ASN-AS17033 - CSL Behring L.L.C, US
    8.48.225.0/24                 8.32.0.0/11
    12.3.33.0/24                  12.0.0.0/8

Whois Entry

whois: 402332

IANA has recorded AS17033 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS17033\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:       17033
             ASName:         CSL-ASN-AS17033
             ASHandle:       AS17033
             RegDate:        2022-06-08
             Updated:        2022-06-08
             Ref:            https://rdap.arin.net/registry/autnum/17033
             
             
             OrgName:        CSL Behring L.L.C
             OrgId:          CBL-154
             Address:        1020 First Avenue
             City:           King of Prussia
             StateProv:      PA
             PostalCode:     19406
             Country:        US
             RegDate:        2019-06-19
             Updated:        2022-04-04
             Ref:            https://rdap.arin.net/registry/entity/CBL-154
             
             
             OrgDNSHandle: IWANC-ARIN
             OrgDNSName:   Iwanczyk, Wojtek 
             OrgDNSPhone:  +1-516-642-3653 
             OrgDNSEmail:  Wojtek.Iwanczyk@cslbehring.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/IWANC-ARIN
             
             OrgAbuseHandle: IWANC-ARIN
             OrgAbuseName:   Iwanczyk, Wojtek 
             OrgAbusePhone:  +1-516-642-3653 
             OrgAbuseEmail:  Wojtek.Iwanczyk@cslbehring.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/IWANC-ARIN
             
             OrgRoutingHandle: IWANC-ARIN
             OrgRoutingName:   Iwanczyk, Wojtek 
             OrgRoutingPhone:  +1-516-642-3653 
             OrgRoutingEmail:  Wojtek.Iwanczyk@cslbehring.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/IWANC-ARIN
             
             OrgTechHandle: IWANC-ARIN
             OrgTechName:   Iwanczyk, Wojtek 
             OrgTechPhone:  +1-516-642-3653 
             OrgTechEmail:  Wojtek.Iwanczyk@cslbehring.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IWANC-ARIN
             
             OrgNOCHandle: IWANC-ARIN
             OrgNOCName:   Iwanczyk, Wojtek 
             OrgNOCPhone:  +1-516-642-3653 
             OrgNOCEmail:  Wojtek.Iwanczyk@cslbehring.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/IWANC-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.
             #