ASN AS23088 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS23088?

AS23088 is listed under The Blackstone Group.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS23088 The Blackstone Group | IPGeolocation.io

ASN Lookup Tool

The Blackstone Group blackstone.com

US 5 Routes

AS Data

AS23088

AS23088 – The Blackstone Group

AS Number	23088
AS Name	TBG
Organization	The Blackstone Group (thebla-3)
Country	US
Website	blackstone.com
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-01-18

ASN Intelligence API for production workflows

Use ASN data for AS23088 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
148.66.35.0/24	AS23088	The Blackstone Group	The Blackstone Group	256
208.242.192.0/24	AS23088	The Blackstone Group	The Blackstone Group	256
193.128.175.0/24	AS23088	The Blackstone Group	Verizon UK Limited	256
148.66.32.0/22	AS23088	The Blackstone Group	The Blackstone Group	1024
148.66.32.0/24	AS23088	The Blackstone Group	The Blackstone Group	256

Raw Whois Response

#
# 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.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "23088",
    "as_handle" : "AS23088",
    "as_name" : "TBG",
    "tech_contacts" : [ "MANAG280-ARIN", "LIUER1-ARIN", "YOOJO2-ARIN", "JP1015-ARIN" ],
    "abuse_contacts" : [ "LUBER5-ARIN" ],
    "date_created" : "2002-01-18",
    "date_updated" : "2012-02-24",
    "source" : "https://rdap.arin.net/registry/autnum/23088"
  } ],
  "organization" : {
    "handle" : "THEBLA-3",
    "name" : "The Blackstone Group",
    "address" : [ "345 Park Ave.", "New York", "NY", "10154", "US" ],
    "street" : "Park Ave.",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10154",
    "country" : [ "US" ],
    "date_created" : "1998-07-30",
    "date_updated" : "2021-08-05",
    "source" : "https://rdap.arin.net/registry/entity/THEBLA-3",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "MANAG280-ARIN",
    "name" : "Manager",
    "email" : [ "matthew.luberger@blackstone.com" ],
    "phone" : [ "+1-305-714-7614" ],
    "source" : "https://rdap.arin.net/registry/entity/MANAG280-ARIN"
  }, {
    "handle" : "LIUER1-ARIN",
    "name" : "Liu, Eric",
    "email" : [ "eric.liu@blackstone.com" ],
    "phone" : [ "+1-347-334-0316" ],
    "source" : "https://rdap.arin.net/registry/entity/LIUER1-ARIN"
  }, {
    "handle" : "YOOJO2-ARIN",
    "name" : "Yoo, John",
    "email" : [ "john.yoo@blackstone.com" ],
    "phone" : [ "+1-646-482-8840" ],
    "source" : "https://rdap.arin.net/registry/entity/YOOJO2-ARIN"
  }, {
    "handle" : "JP1015-ARIN",
    "name" : "Padilla, Jaime",
    "email" : [ "padilla@blackstone.com" ],
    "phone" : [ "+1-212-583-5302" ],
    "source" : "https://rdap.arin.net/registry/entity/JP1015-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "LUBER5-ARIN",
    "name" : "Luberger, Matthew",
    "email" : [ "Matthew.Luberger@Blackstone.com" ],
    "phone" : [ "+1-305-714-7614" ],
    "source" : "https://rdap.arin.net/registry/entity/LUBER5-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS1239	Cogent Communications, LLC	US
AS1299	Arelion Sweden AB	SE
AS6079	RCN	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US
AS1299	Arelion Sweden AB	SE
AS6079	RCN	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US
AS174	Cogent Communications, LLC	US