Report for 31863

Name

DACEN-2 - 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.

31863 DACEN-2 - Centrilogic, Inc., US

  Adjacency:     4  Upstream:     3  Downstream:     1
  Upstream Adjacent AS list
    AS32505         DWL-MAIN - Conterra, US
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
  Downstream Adjacent AS list
    AS393960        HOST4GEEKS-LLC - Host4Geeks LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4364  AS31863        ORG+TRN Originate:      49664 /16.40  Transit:       1024 /22.00 DACEN-2 - 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       %
 4165 AS31863       DACEN-2 - Centrilogic, Inc., US                   51     17      5     39     12  23.53%


  Prefix               AS Path                              Aggregation Suggestion
  23.92.208.0/20       4777 2497 174 31863    
  45.85.158.0/23       4777 2497 174 31863    
  45.95.194.0/23       4777 2497 174 31863    
  45.133.215.0/24      4777 2497 174 31863    
  45.138.198.0/23      4777 2497 174 31863    
  45.152.130.0/23      4777 2497 174 31863    
  74.118.0.0/22        4777 2516 1299 31863   
  103.114.216.0/22     4777 2497 174 31863  + Announce - aggregate of 103.114.216.0/23 (4777 2497 174 31863) and 103.114.218.0/23 (4777 2497 174 31863)
  103.114.216.0/24     4777 2497 174 31863  - Withdrawn - aggregated with 103.114.217.0/24 (4777 2497 174 31863)
  103.114.217.0/24     4777 2497 174 31863  - Withdrawn - aggregated with 103.114.216.0/24 (4777 2497 174 31863)
  103.114.218.0/24     4777 2497 174 31863  - Withdrawn - aggregated with 103.114.219.0/24 (4777 2497 174 31863)
  103.114.219.0/24     4777 2497 174 31863  - Withdrawn - aggregated with 103.114.218.0/24 (4777 2497 174 31863)
  104.152.184.0/21     4777 2497 174 31863    
  104.171.112.0/20     4777 2497 174 31863    
  104.200.64.0/24      4777 2497 174 31863    
  104.234.30.0/24      4777 2497 174 31863    
  104.234.200.0/24     4777 2497 174 31863    
  104.244.158.0/24     4777 2497 174 31863    
  104.254.60.0/24      4777 2497 1299 31863   
  139.64.172.0/22      4777 2497 174 31863  + Announce - aggregate of 139.64.172.0/23 (4777 2497 174 31863) and 139.64.174.0/23 (4777 2497 174 31863)
  139.64.172.0/24      4777 2497 174 31863  - Withdrawn - aggregated with 139.64.173.0/24 (4777 2497 174 31863)
  139.64.173.0/24      4777 2497 174 31863  - Withdrawn - aggregated with 139.64.172.0/24 (4777 2497 174 31863)
  139.64.174.0/24      4777 2497 174 31863  - Withdrawn - aggregated with 139.64.175.0/24 (4777 2497 174 31863)
  139.64.175.0/24      4777 2497 174 31863  - Withdrawn - aggregated with 139.64.174.0/24 (4777 2497 174 31863)
  140.235.188.0/22     4777 2497 174 31863    
  142.202.224.0/22     4777 2497 174 31863    
  142.202.226.0/23     4777 2497 174 31863  - Withdrawn - matching aggregate 142.202.224.0/22 4777 2497 174 31863
  162.248.240.0/21     4777 2497 174 31863    
  172.83.185.0/24      4777 2497 174 31863    
  172.98.192.0/21      4777 2497 174 31863    
  172.98.200.0/22      4777 2497 174 31863    
  173.195.100.0/22     4777 2497 174 31863  + Announce - aggregate of 173.195.100.0/23 (4777 2497 174 31863) and 173.195.102.0/23 (4777 2497 174 31863)
  173.195.100.0/23     4777 2497 174 31863  - Withdrawn - aggregated with 173.195.102.0/23 (4777 2497 174 31863)
  173.195.102.0/23     4777 2497 174 31863  - Withdrawn - aggregated with 173.195.100.0/23 (4777 2497 174 31863)
  173.240.5.0/24       4777 2497 174 31863    
  173.240.15.0/24      4777 2497 174 31863    
  192.111.144.0/20     4777 2497 174 31863    
  192.198.80.0/20      4777 2497 174 31863    
  192.254.64.0/20      4777 2497 174 31863    
  199.16.31.0/24       4777 2497 174 31863    
  199.43.199.0/24      4777 2497 174 31863    
  199.43.200.0/22      4777 2497 174 31863  + Announce - aggregate of 199.43.200.0/23 (4777 2497 174 31863) and 199.43.202.0/23 (4777 2497 174 31863)
  199.43.200.0/24      4777 2497 174 31863  - Withdrawn - aggregated with 199.43.201.0/24 (4777 2497 174 31863)
  199.43.201.0/24      4777 2497 174 31863  - Withdrawn - aggregated with 199.43.200.0/24 (4777 2497 174 31863)
  199.43.202.0/24      4777 2497 174 31863  - Withdrawn - aggregated with 199.43.203.0/24 (4777 2497 174 31863)
  199.43.203.0/24      4777 2497 174 31863  - Withdrawn - aggregated with 199.43.202.0/24 (4777 2497 174 31863)
  199.43.204.0/24      4777 2497 174 31863    
  199.83.172.0/22      4777 2497 174 31863  + Announce - aggregate of 199.83.172.0/23 (4777 2497 174 31863) and 199.83.174.0/23 (4777 2497 174 31863)
  199.83.172.0/23      4777 2497 174 31863  - Withdrawn - aggregated with 199.83.174.0/23 (4777 2497 174 31863)
  199.83.174.0/23      4777 2497 174 31863  - Withdrawn - aggregated with 199.83.172.0/23 (4777 2497 174 31863)
  199.101.184.0/22     4777 2497 174 31863    
  199.191.56.0/22      4777 2497 174 31863    
  199.241.184.0/21     4777 2497 174 31863    
  199.255.136.0/22     4777 2497 174 31863    
  199.255.156.0/22     4777 2497 174 31863    
  216.126.192.0/21     4777 2497 174 31863    

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

AS31863   33 More Specifics   51 Total Advertisements   DACEN-2 - Centrilogic, Inc., US
    45.85.158.0/23                45.85.156.0/22
    45.95.194.0/23                45.95.192.0/22
    45.133.215.0/24               45.133.212.0/22
    45.138.198.0/23               45.138.196.0/22
    45.152.130.0/23               45.152.128.0/22
    103.114.216.0/24              103.114.216.0/22
    103.114.217.0/24              103.114.216.0/22
    103.114.218.0/24              103.114.216.0/22
    103.114.219.0/24              103.114.216.0/22
    104.200.64.0/24               104.200.64.0/20
    104.234.30.0/24               104.234.0.0/16
    104.234.200.0/24              104.234.0.0/16
    104.244.158.0/24              104.244.152.0/21
    104.254.60.0/24               104.254.56.0/21
    139.64.172.0/24               139.64.172.0/22
    139.64.173.0/24               139.64.172.0/22
    139.64.174.0/24               139.64.172.0/22
    139.64.175.0/24               139.64.172.0/22
    142.202.226.0/23              142.202.224.0/22
    172.83.185.0/24               172.83.176.0/20
    172.98.192.0/21               172.98.192.0/20
    172.98.200.0/22               172.98.192.0/20
    173.195.100.0/23              173.195.100.0/22
    173.195.102.0/23              173.195.100.0/22
    173.240.5.0/24                173.240.0.0/20
    173.240.15.0/24               173.240.0.0/20
    199.43.200.0/24               199.43.200.0/22
    199.43.201.0/24               199.43.200.0/22
    199.43.202.0/24               199.43.200.0/22
    199.43.203.0/24               199.43.200.0/22
    199.43.204.0/24               199.43.204.0/23
    199.83.172.0/23               199.83.172.0/22
    199.83.174.0/23               199.83.172.0/22

Whois Entry

whois: 402332

IANA has recorded AS31863 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS31863\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)