Report for 23088

Name

TBG - The Blackstone Group, 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.

23088 TBG - The Blackstone Group, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
24693 AS23088        ORIGIN  Originate:       2048 /21.00  Transit:          0 /0.00  TBG - The Blackstone Group, 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       %
21755 AS23088       TBG - The Blackstone Group, US                     5      1      0      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  148.66.32.0/22       4777 2516 1299 23088   
  148.66.32.0/24       4777 2497 3356 23088   
  148.66.35.0/24       4777 2516 1299 23088 - Withdrawn - matching aggregate 148.66.32.0/22 4777 2516 1299 23088
  193.128.175.0/24     4777 2497 6461 23088   
  208.242.192.0/24     4777 2497 174 23088    

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

AS23088   4 More Specifics   5 Total Advertisements   TBG - The Blackstone Group, US
    148.66.32.0/24                148.66.32.0/22
    148.66.35.0/24                148.66.32.0/22
    193.128.175.0/24              193.128.128.0/18
    208.242.192.0/24              208.192.0.0/10

Whois Entry

whois: 402332

IANA has recorded AS23088 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS23088\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:       23088
             ASName:         TBG
             ASHandle:       AS23088
             RegDate:        2002-01-18
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/23088
             
             
             OrgName:        The Blackstone Group
             OrgId:          THEBLA-3
             Address:        345 Park Ave.
             City:           New York
             StateProv:      NY
             PostalCode:     10154
             Country:        US
             RegDate:        1998-07-30
             Updated:        2021-08-05
             Ref:            https://rdap.arin.net/registry/entity/THEBLA-3
             
             
             OrgTechHandle: MANAG280-ARIN
             OrgTechName:   Manager
             OrgTechPhone:  +1-305-714-7614 
             OrgTechEmail:  matthew.luberger@blackstone.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MANAG280-ARIN
             
             OrgTechHandle: LIUER1-ARIN
             OrgTechName:   Liu, Eric 
             OrgTechPhone:  +1-347-334-0316 
             OrgTechEmail:  eric.liu@blackstone.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/LIUER1-ARIN
             
             OrgTechHandle: YOOJO2-ARIN
             OrgTechName:   Yoo, John 
             OrgTechPhone:  +1-646-482-8840 
             OrgTechEmail:  john.yoo@blackstone.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/YOOJO2-ARIN
             
             OrgAbuseHandle: LUBER5-ARIN
             OrgAbuseName:   Luberger, Matthew 
             OrgAbusePhone:  +1-305-714-7614 
             OrgAbuseEmail:  Matthew.Luberger@Blackstone.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/LUBER5-ARIN
             
             RTechHandle: JP1015-ARIN
             RTechName:   Padilla, Jaime 
             RTechPhone:  +1-212-583-5302 
             RTechEmail:  padilla@blackstone.com
             RTechRef:    https://rdap.arin.net/registry/entity/JP1015-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.
             #