Report for 22077

Name

RENAISSANCE-TECH - Renaissance Technologies Corp., 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 AS4637) 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.

22077 RENAISSANCE-TECH - Renaissance Technologies Corp.

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS1785    USLEC-ASN-1785 - USLEC Corp.
    AS6128    CABLE-NET-1 - Cablevision Systems Corp.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
9083  AS22077  ORIGIN  Originate:       4608 /19.83  Transit:          0 /0.00  RENAISSANCE-TECH - Renaissance Technologies Corp.

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       %
 2006 AS22077 RENAISSANCE-TECH - Renaissance Technolog     11      8      2      5      6  54.55%


  Prefix               AS Path                              Aggregation Suggestion
  65.213.84.0/23       4637 2828 6128 22077   
  192.5.35.0/24        4637 2828 6128 22077   
  204.75.201.0/24      4637 2828 6128 22077   
  216.223.240.0/21     4637 2828 6128 22077 + Announce - aggregate of 216.223.240.0/22 (4637 2828 6128 22077) and 216.223.244.0/22 (4637 2828 6128 22077)
  216.223.240.0/22     4637 2828 6128 22077 - Withdrawn - aggregated with 216.223.244.0/22 (4637 2828 6128 22077)
  216.223.240.0/24     4637 2828 6128 22077 - Withdrawn - matching aggregate 216.223.240.0/22 4637 2828 6128 22077
  216.223.243.0/24     4637 2828 6128 22077 - Withdrawn - matching aggregate 216.223.240.0/22 4637 2828 6128 22077
  216.223.244.0/22     4637 2828 6128 22077 - Withdrawn - aggregated with 216.223.240.0/22 (4637 2828 6128 22077)
  216.223.244.0/24     4637 2828 6128 22077 - Withdrawn - matching aggregate 216.223.244.0/22 4637 2828 6128 22077
  216.223.247.0/24     4637 2828 6128 22077 - Withdrawn - matching aggregate 216.223.244.0/22 4637 2828 6128 22077
  216.223.250.0/23     4637 2828 6128 22077 + Announce - aggregate of 216.223.250.0/24 (4637 2828 6128 22077) and 216.223.251.0/24 (4637 2828 6128 22077)
  216.223.250.0/24     4637 2828 6128 22077 - Withdrawn - aggregated with 216.223.251.0/24 (4637 2828 6128 22077)
  216.223.251.0/24     4637 2828 6128 22077 - Withdrawn - aggregated with 216.223.250.0/24 (4637 2828 6128 22077)

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

AS22077   10 More Specifics   12 Total Advertisements   RENAISSANCE-TECH - Renaissance Technologies Corp.
    65.213.84.0/23                65.192.0.0/11
    216.223.240.0/22              216.223.240.0/20
    216.223.240.0/24              216.223.240.0/20
    216.223.243.0/24              216.223.240.0/20
    216.223.244.0/22              216.223.240.0/20
    216.223.244.0/24              216.223.240.0/20
    216.223.247.0/24              216.223.240.0/20
    216.223.248.0/24              216.223.240.0/20
    216.223.250.0/24              216.223.240.0/20
    216.223.251.0/24              216.223.240.0/20

Whois Entry

whois: 402603

IANA has recorded AS22077 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS22077\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:       22077
             ASName:         RENAISSANCE-TECH
             ASHandle:       AS22077
             RegDate:        2001-08-02
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/22077
             
             
             OrgName:        Renaissance Technologies Corp.
             OrgId:          RTC-7
             Address:        600 Route 25A
             City:           East Setauket
             StateProv:      NY
             PostalCode:     11733
             Country:        US
             RegDate:        1994-09-07
             Updated:        2021-05-21
             Ref:            https://rdap.arin.net/registry/entity/RTC-7
             
             
             OrgTechHandle: NETAD143-ARIN
             OrgTechName:   netadmin
             OrgTechPhone:  +1-631-444-7000 
             OrgTechEmail:  netadmin@rentec.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETAD143-ARIN
             
             OrgAbuseHandle: SY48-ARIN
             OrgAbuseName:   Yin, Shan-Liang 
             OrgAbusePhone:  +1-631-444-7042 
             OrgAbuseEmail:  shan@rentec.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SY48-ARIN
             
             OrgTechHandle: SY48-ARIN
             OrgTechName:   Yin, Shan-Liang 
             OrgTechPhone:  +1-631-444-7042 
             OrgTechEmail:  shan@rentec.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SY48-ARIN
             
             RTechHandle: SY48-ARIN
             RTechName:   Yin, Shan-Liang 
             RTechPhone:  +1-631-444-7042 
             RTechEmail:  shan@rentec.com
             RTechRef:    https://rdap.arin.net/registry/entity/SY48-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.
             #