Report for 19693

Name

CENTRILOGIC-ASN - Centrilogic, 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.

19693 CENTRILOGIC-ASN - Centrilogic, Inc., US

  Adjacency:     5  Upstream:     4  Downstream:     1
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS1299          TWELVE99 - Arelion Sweden AB, SE
    AS174           COGENT-174 - Cogent Communications, LLC, US
  Downstream Adjacent AS list
    AS20359         PREFERREDMUTUALINSURANCECOMPANY - Preferred Mutual Insurance Company, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8058  AS19693        ORG+TRN Originate:      15616 /18.07  Transit:        256 /24.00 CENTRILOGIC-ASN - Centrilogic, 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       %
 6414 AS19693       CENTRILOGIC-ASN - Centrilogic, Inc., US           24     10      3     17      7  29.17%


  Prefix               AS Path                              Aggregation Suggestion
  157.238.136.0/21     4608 7575 1299 19693   
  158.247.92.0/22      4777 2516 1299 19693 + Announce - aggregate of 158.247.92.0/23 (4777 2516 1299 19693) and 158.247.94.0/23 (4777 2516 1299 19693)
  158.247.92.0/23      4777 2516 1299 19693 - Withdrawn - aggregated with 158.247.94.0/23 (4777 2516 1299 19693)
  158.247.94.0/23      4777 2516 1299 19693 - Withdrawn - aggregated with 158.247.92.0/23 (4777 2516 1299 19693)
  161.242.11.0/24      4608 7575 1299 19693   
  161.242.37.0/24      4608 7575 1299 19693   
  172.98.204.0/23      4608 7575 1299 19693 + Announce - aggregate of 172.98.204.0/24 (4608 7575 1299 19693) and 172.98.205.0/24 (4608 7575 1299 19693)
  172.98.204.0/24      4608 7575 1299 19693 - Withdrawn - aggregated with 172.98.205.0/24 (4608 7575 1299 19693)
  172.98.205.0/24      4608 7575 1299 19693 - Withdrawn - aggregated with 172.98.204.0/24 (4608 7575 1299 19693)
  173.240.4.0/22       4777 2516 174 19693    
  173.240.6.0/23       4608 7575 1299 19693   
  173.240.10.0/24      4777 2516 1299 19693   
  173.240.14.0/24      4608 7575 1299 19693   
  198.87.208.0/21      4608 7575 1299 19693   
  198.87.208.0/22      4608 7575 1299 19693 - Withdrawn - matching aggregate 198.87.208.0/21 4608 7575 1299 19693
  204.17.197.0/24      4608 7575 1299 19693   
  206.198.196.0/22     4777 2516 1299 19693 + Announce - aggregate of 206.198.196.0/23 (4777 2516 1299 19693) and 206.198.198.0/23 (4777 2516 1299 19693)
  206.198.196.0/23     4777 2516 1299 19693 - Withdrawn - aggregated with 206.198.198.0/23 (4777 2516 1299 19693)
  206.198.198.0/23     4777 2516 1299 19693 - Withdrawn - aggregated with 206.198.196.0/23 (4777 2516 1299 19693)
  209.251.48.0/21      4608 7575 1299 19693   
  209.251.48.0/23      4608 7575 1299 19693 - Withdrawn - matching aggregate 209.251.48.0/21 4608 7575 1299 19693
  209.251.51.0/24      4608 7575 1299 19693 - Withdrawn - matching aggregate 209.251.48.0/21 4608 7575 1299 19693
  209.251.52.0/22      4608 7575 1299 19693 - Withdrawn - matching aggregate 209.251.48.0/21 4608 7575 1299 19693
  209.251.60.0/23      4777 2516 174 19693    
  209.251.62.0/24      4608 7575 1299 19693   
  216.42.131.0/24      4608 7575 1299 19693   
  216.42.132.0/24      4608 7575 1299 19693   

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

AS19693   23 More Specifics   24 Total Advertisements   CENTRILOGIC-ASN - Centrilogic, Inc., US
    157.238.136.0/21              157.238.0.0/16
    158.247.92.0/23               158.247.80.0/20
    158.247.94.0/23               158.247.80.0/20
    161.242.11.0/24               161.242.0.0/16
    161.242.37.0/24               161.242.0.0/16
    172.98.204.0/24               172.98.192.0/20
    172.98.205.0/24               172.98.192.0/20
    173.240.4.0/22                173.240.0.0/20
    173.240.6.0/23                173.240.0.0/20
    173.240.10.0/24               173.240.0.0/20
    173.240.14.0/24               173.240.0.0/20
    198.87.208.0/21               198.87.0.0/16
    198.87.208.0/22               198.87.0.0/16
    206.198.196.0/23              206.198.196.0/22
    206.198.198.0/23              206.198.196.0/22
    209.251.48.0/21               209.251.48.0/20
    209.251.48.0/23               209.251.48.0/20
    209.251.51.0/24               209.251.48.0/20
    209.251.52.0/22               209.251.48.0/20
    209.251.60.0/23               209.251.48.0/20
    209.251.62.0/24               209.251.48.0/20
    216.42.131.0/24               216.42.0.0/16
    216.42.132.0/24               216.42.0.0/16

Whois Entry

whois: 402609

IANA has recorded AS19693 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19693\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:       19693
             ASName:         CENTRILOGIC-ASN
             ASHandle:       AS19693
             RegDate:        2007-08-22
             Updated:        2012-03-02
             Comment:        http://www.centrilogic.com
             Ref:            https://rdap.arin.net/registry/autnum/19693
             
             
             OrgName:        Centrilogic, Inc.
             OrgId:          CENTR-60
             Address:        28 Mansfield Street
             City:           Rochester
             StateProv:      NY
             PostalCode:     14606
             Country:        US
             RegDate:        2007-05-14
             Updated:        2024-11-25
             Comment:        http://www.centrilogic.com/
             Ref:            https://rdap.arin.net/registry/entity/CENTR-60
             
             ReferralServer:  rwhois://rwhois.centrilogic.com:4321
             
             OrgNOCHandle: CIT3-ARIN
             OrgNOCName:   Centrilogic IP Tech
             OrgNOCPhone:  +1-888-999-3091 
             OrgNOCEmail:  IPtech@centrilogic.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/CIT3-ARIN
             
             OrgTechHandle: CIT3-ARIN
             OrgTechName:   Centrilogic IP Tech
             OrgTechPhone:  +1-888-999-3091 
             OrgTechEmail:  IPtech@centrilogic.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CIT3-ARIN
             
             OrgAbuseHandle: DACEN-ARIN
             OrgAbuseName:   Dacentec Abuse
             OrgAbusePhone:  +1-828-393-4443 
             OrgAbuseEmail:  abuse@dacentec.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DACEN-ARIN
             
             RTechHandle: CIT3-ARIN
             RTechName:   Centrilogic IP Tech
             RTechPhone:  +1-888-999-3091 
             RTechEmail:  IPtech@centrilogic.com
             RTechRef:    https://rdap.arin.net/registry/entity/CIT3-ARIN
             
             RAbuseHandle: CIT3-ARIN
             RAbuseName:   Centrilogic IP Tech
             RAbusePhone:  +1-888-999-3091 
             RAbuseEmail:  IPtech@centrilogic.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/CIT3-ARIN
             
             RNOCHandle: CIT3-ARIN
             RNOCName:   Centrilogic IP Tech
             RNOCPhone:  +1-888-999-3091 
             RNOCEmail:  IPtech@centrilogic.com
             RNOCRef:    https://rdap.arin.net/registry/entity/CIT3-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.
             #
             
             
             
             Found a referral to rwhois.centrilogic.com:4321.
             
             %rwhois V-1.5:003eff:00 rwhois.centrilogic.com (by Network Solutions, Inc. V-1.5.9.5)
             %error 230 No Objects Found