Report for 33759

Name

REGENERON - Regeneron Pharmaceuticals 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.

33759 REGENERON - Regeneron Pharmaceuticals Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS11351         TWC-11351-NORTHEAST - Charter Communications Inc, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
49438 AS33759        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  REGENERON - Regeneron Pharmaceuticals 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       %
40123 AS33759       REGENERON - Regeneron Pharmaceuticals Inc., U      2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  24.38.10.0/24        4608 7575 1299 46887 33759   
  72.43.219.0/24       4777 2516 7843 11351 33759   

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

AS33759   2 More Specifics   2 Total Advertisements   REGENERON - Regeneron Pharmaceuticals Inc., US
    24.38.10.0/24                 24.38.0.0/17
    72.43.219.0/24                72.43.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS33759 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33759\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:       33759
             ASName:         REGENERON
             ASHandle:       AS33759
             RegDate:        2012-12-11
             Updated:        2012-12-11
             Comment:        http://www.regeneron.com
             Ref:            https://rdap.arin.net/registry/autnum/33759
             
             
             OrgName:        Regeneron Pharmaceuticals Inc.
             OrgId:          RP-30
             Address:        777 Old Saw Mill River Rd.
             City:           Tarrytown
             StateProv:      NY
             PostalCode:     10591
             Country:        US
             RegDate:        2012-02-10
             Updated:        2012-02-10
             Comment:        http://www.regeneron.com
             Ref:            https://rdap.arin.net/registry/entity/RP-30
             
             
             OrgTechHandle: MDP14-ARIN
             OrgTechName:   Phillips, Michael David
             OrgTechPhone:  +1-914-847-7000 
             OrgTechEmail:  michael.phillips@regeneron.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MDP14-ARIN
             
             OrgNOCHandle: MDP14-ARIN
             OrgNOCName:   Phillips, Michael David
             OrgNOCPhone:  +1-914-847-7000 
             OrgNOCEmail:  michael.phillips@regeneron.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MDP14-ARIN
             
             OrgAbuseHandle: MDP14-ARIN
             OrgAbuseName:   Phillips, Michael David
             OrgAbusePhone:  +1-914-847-7000 
             OrgAbuseEmail:  michael.phillips@regeneron.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MDP14-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.
             #