Report for 15148

Name

BLACKBAUD-ASN - Blackbaud, 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.

15148 BLACKBAUD-ASN - Blackbaud, Inc., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS394901        AUS-ENT-DC-TX01 - NEW CCH, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24247 AS15148        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  BLACKBAUD-ASN - Blackbaud, 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       %
15490 AS15148       BLACKBAUD-ASN - Blackbaud, Inc., US                4      3      1      2      2  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  74.123.152.0/22      4777 1828 394901 15148   
  74.123.152.0/23      4777 1828 394901 15148 - Withdrawn - matching aggregate 74.123.152.0/22 4777 1828 394901 15148
  216.235.194.0/23     4777 1828 394901 15148 + Announce - aggregate of 216.235.194.0/24 (4777 1828 394901 15148) and 216.235.195.0/24 (4777 1828 394901 15148)
  216.235.194.0/24     4777 1828 394901 15148 - Withdrawn - aggregated with 216.235.195.0/24 (4777 1828 394901 15148)
  216.235.195.0/24     4777 1828 394901 15148 - Withdrawn - aggregated with 216.235.194.0/24 (4777 1828 394901 15148)

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

AS15148   3 More Specifics   4 Total Advertisements   BLACKBAUD-ASN - Blackbaud, Inc., US
    74.123.152.0/23               74.123.152.0/22
    216.235.194.0/24              216.235.192.0/20
    216.235.195.0/24              216.235.192.0/20

Whois Entry

whois: 402332

IANA has recorded AS15148 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS15148\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:       15148
             ASName:         BLACKBAUD-ASN
             ASHandle:       AS15148
             RegDate:        2000-03-27
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/15148
             
             
             OrgName:        Blackbaud, Inc.
             OrgId:          BLACKB-4
             Address:        2000 Daniel Island Drive
             City:           Charleston
             StateProv:      SC
             PostalCode:     29492
             Country:        US
             RegDate:        1999-09-14
             Updated:        2023-05-19
             Ref:            https://rdap.arin.net/registry/entity/BLACKB-4
             
             
             OrgTechHandle: NOC12595-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-512-420-4500 
             OrgTechEmail:  SDO-ARIN@blackbaud.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC12595-ARIN
             
             OrgAbuseHandle: NOC12595-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-512-420-4500 
             OrgAbuseEmail:  SDO-ARIN@blackbaud.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC12595-ARIN
             
             OrgNOCHandle: NOC12595-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-512-420-4500 
             OrgNOCEmail:  SDO-ARIN@blackbaud.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC12595-ARIN
             
             RTechHandle: CH359-ARIN
             RTechName:   Hunziker, Cameron 
             RTechPhone:  +1-843-740-5400 
             RTechEmail:  cameron.hunziker@blackbaud.com
             RTechRef:    https://rdap.arin.net/registry/entity/CH359-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.
             #