Report for 18895

Name

NUSTREAM-COMMUNICATIONS - Nustream Communications, PR

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.

18895 NUSTREAM - Nustream Communications

  Adjacency:     3  Upstream:     2  Downstream:     1
  Upstream Adjacent AS list
    AS7018    ATT-INTERNET4 - AT&T WorldNet Services
    AS23550   ULTRACOM - Ultracom
  Downstream Adjacent AS list
    AS16649   IUPR-AS - Interamerican University of Puerto Rico

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
6646  AS18895  ORG+TRN Originate:       8704 /18.91  Transit:      65536 /16.00 NUSTREAM - Nustream Communications

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       %
 1421 AS18895 NUSTREAM - Nustream Communications           19     14      5     10      9  47.37%


  Prefix               AS Path                              Aggregation Suggestion
  12.148.168.0/24      4637 3491 3561 7018 18895   
  196.1.2.0/24         4637 3356 19962 23550 18895 18895 18895 18895 18895   
  196.3.8.0/22         4637 3356 19962 23550 18895 18895 18895 18895 18895 + Announce - aggregate of 196.3.8.0/23 (4637 3356 19962 23550 18895 18895 18895 18895 18895) and 196.3.10.0/23 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.3.8.0/24         4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.3.9.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.3.9.0/24         4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.3.8.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.3.10.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.3.11.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.3.11.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.3.10.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.3.12.0/23        4637 3356 19962 23550 18895 18895 18895 18895 18895 + Announce - aggregate of 196.3.12.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895) and 196.3.13.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.3.12.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.3.13.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.3.13.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.3.12.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.1.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895   
  196.12.2.0/23        4637 3356 19962 23550 18895 18895 18895 18895 18895 + Announce - aggregate of 196.12.2.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895) and 196.12.3.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.2.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.12.3.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.3.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.12.2.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.4.0/22        4637 3356 19962 23550 18895 18895 18895 18895 18895 + Announce - aggregate of 196.12.4.0/23 (4637 3356 19962 23550 18895 18895 18895 18895 18895) and 196.12.6.0/23 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.4.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.12.5.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.5.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.12.4.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.6.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.12.7.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.7.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.12.6.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.8.0/23        4637 3356 19962 23550 18895 18895 18895 18895 18895 + Announce - aggregate of 196.12.8.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895) and 196.12.9.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.8.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.12.9.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  196.12.9.0/24        4637 3356 19962 23550 18895 18895 18895 18895 18895 - Withdrawn - aggregated with 196.12.8.0/24 (4637 3356 19962 23550 18895 18895 18895 18895 18895)
  207.150.240.0/20     4637 3356 19962 23550 18895 18895 18895   
  209.58.61.0/24       4637 3491 3561 7018 18895   

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

AS18895   19 More Specifics   21 Total Advertisements   NUSTREAM - Nustream Communications
    196.3.8.0/24                  196.3.8.0/22
    196.3.9.0/24                  196.3.8.0/22
    196.3.10.0/24                 196.3.8.0/22
    196.3.11.0/24                 196.3.8.0/22
    196.3.12.0/24                 196.3.12.0/23
    196.3.13.0/24                 196.3.12.0/23
    196.12.1.0/24                 196.12.0.0/21
    196.12.2.0/24                 196.12.0.0/21
    196.12.3.0/24                 196.12.0.0/21
    196.12.4.0/24                 196.12.0.0/21
    196.12.5.0/24                 196.12.0.0/21
    196.12.6.0/24                 196.12.0.0/21
    196.12.7.0/24                 196.12.0.0/21
    196.12.8.0/24                 196.12.8.0/23
    196.12.9.0/24                 196.12.8.0/23
    207.150.242.0/24              207.150.240.0/20
    207.150.243.0/24              207.150.240.0/20
    207.150.244.0/24              207.150.240.0/20
    207.150.245.0/24              207.150.240.0/20

Whois Entry

whois: 402603

IANA has recorded AS18895 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18895\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:       18895
             ASName:         NUSTREAM-COMMUNICATIONS
             ASHandle:       AS18895
             RegDate:        2000-10-24
             Updated:        2012-03-02
             Comment:        http://www.nustream.com
             Ref:            https://rdap.arin.net/registry/autnum/18895
             
             
             OrgName:        Nustream Communications
             OrgId:          NUSTR-1
             Address:        Ave Constitucion # 316
             Address:        Puerta de Tierra
             City:           San Juan
             StateProv:      Puerto Rico
             PostalCode:     00901
             Country:        PR
             RegDate:        2004-02-03
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/NUSTR-1
             
             
             OrgTechHandle: ROBER29-ARIN
             OrgTechName:   Perry, Robert A.
             OrgTechPhone:  +1-787-724-4842 
             OrgTechEmail:  rperry@nustream.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ROBER29-ARIN
             
             OrgAbuseHandle: ROBER29-ARIN
             OrgAbuseName:   Perry, Robert A.
             OrgAbusePhone:  +1-787-724-4842 
             OrgAbuseEmail:  rperry@nustream.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ROBER29-ARIN
             
             RTechHandle: ECA58-ARIN
             RTechName:   Candelario, Edwin 
             RTechPhone:  +1-787-667-1615 
             RTechEmail:  ecandelario@nustream.com
             RTechRef:    https://rdap.arin.net/registry/entity/ECA58-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.
             #