ASN AS29851 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS29851?

AS29851 is listed under Warburg Pincus LLC.

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?

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AS29851 Warburg Pincus LLC | IPGeolocation.io

ASN Lookup Tool

Warburg Pincus LLC warburgpincus.com

US 5 Routes

AS Data

AS29851

AS29851 – Warburg Pincus LLC

AS Number	29851
AS Name	WARBURGPINCUS
Organization	Warburg Pincus LLC (wpl-135)
Country	US
Website	warburgpincus.com
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2003-05-19

ASN Intelligence API for production workflows

Use ASN data for AS29851 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
198.179.167.0/24	AS29851	Warburg Pincus LLC	Warburg Pincus LLC	256
198.179.166.0/24	AS29851	Warburg Pincus LLC	Warburg Pincus LLC	256
198.179.163.0/24	AS29851	Warburg Pincus LLC	Warburg Pincus LLC	256
198.179.162.0/24	AS29851	Warburg Pincus LLC	Warburg Pincus LLC	256
198.179.165.0/24	AS29851	Warburg Pincus LLC	Warburg Pincus LLC	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:       29851
ASName:         WARBURGPINCUS
ASHandle:       AS29851
RegDate:        2003-05-19
Updated:        2026-10-13
Ref:            https://rdap.arin.net/registry/autnum/29851


OrgName:        Warburg Pincus LLC
OrgId:          WPL-135
Address:        450 Lexington Ave
City:           New York
StateProv:      NY
PostalCode:     10017
Country:        US
RegDate:        2026-09-28
Updated:        2026-10-06
Ref:            https://rdap.arin.net/registry/entity/WPL-135


OrgRoutingHandle: GRAP1-ARIN
OrgRoutingName:   Gra, P 
OrgRoutingPhone:  +1-212-878-0600 
OrgRoutingEmail:  NetworkSupportAdminNY@warburgpincus.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/GRAP1-ARIN

OrgDNSHandle: GRAP1-ARIN
OrgDNSName:   Gra, P 
OrgDNSPhone:  +1-212-878-0600 
OrgDNSEmail:  NetworkSupportAdminNY@warburgpincus.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/GRAP1-ARIN

OrgAbuseHandle: GRAP1-ARIN
OrgAbuseName:   Gra, P 
OrgAbusePhone:  +1-212-878-0600 
OrgAbuseEmail:  NetworkSupportAdminNY@warburgpincus.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GRAP1-ARIN

OrgNOCHandle: GRAP1-ARIN
OrgNOCName:   Gra, P 
OrgNOCPhone:  +1-212-878-0600 
OrgNOCEmail:  NetworkSupportAdminNY@warburgpincus.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/GRAP1-ARIN

OrgTechHandle: GRAP1-ARIN
OrgTechName:   Gra, P 
OrgTechPhone:  +1-212-878-0600 
OrgTechEmail:  NetworkSupportAdminNY@warburgpincus.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GRAP1-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" : "29851",
    "as_handle" : "AS29851",
    "as_name" : "WARBURGPINCUS",
    "admin_contacts" : [ "GRAP1-ARIN" ],
    "tech_contacts" : [ "GRAP1-ARIN", "GRAP1-ARIN" ],
    "abuse_contacts" : [ "GRAP1-ARIN" ],
    "date_created" : "2003-05-19",
    "date_updated" : "2026-10-13",
    "source" : "https://rdap.arin.net/registry/autnum/29851"
  } ],
  "organization" : {
    "handle" : "WPL-135",
    "name" : "Warburg Pincus LLC",
    "address" : [ "450 Lexington Ave", "New York", "NY", "10017", "US" ],
    "street" : "Lexington Ave",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10017",
    "country" : [ "US" ],
    "date_created" : "2026-09-28",
    "date_updated" : "2026-10-06",
    "source" : "https://rdap.arin.net/registry/entity/WPL-135",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "GRAP1-ARIN",
    "name" : "Gra, P",
    "email" : [ "NetworkSupportAdminNY@warburgpincus.com" ],
    "phone" : [ "+1-212-878-0600" ],
    "source" : "https://rdap.arin.net/registry/entity/GRAP1-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "GRAP1-ARIN",
    "name" : "Gra, P",
    "email" : [ "NetworkSupportAdminNY@warburgpincus.com" ],
    "phone" : [ "+1-212-878-0600" ],
    "source" : "https://rdap.arin.net/registry/entity/GRAP1-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "GRAP1-ARIN",
    "name" : "Gra, P",
    "email" : [ "NetworkSupportAdminNY@warburgpincus.com" ],
    "phone" : [ "+1-212-878-0600" ],
    "source" : "https://rdap.arin.net/registry/entity/GRAP1-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS1239	Cogent Communications, LLC	US
AS174	Cogent Communications, LLC	US

Upstreams

AS Number	Description	Country
AS174	Cogent Communications, LLC	US