ASN AS16550 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16550?

AS16550 is listed under Google 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?

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.

AS16550 Google LLC | IPGeolocation.io

ASN Lookup Tool

Google LLC google.com

US 8 Routes

AS Data

AS16550

AS16550 – Google LLC

AS Number	16550
AS Name	GOOGLE-PRIVATE-CLOUD
Organization	Google LLC (googl-2)
Country	US
Website	google.com
Number of IPv4 Routes	8
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2017-07-31

ASN Intelligence API for production workflows

Use ASN data for AS16550 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
151.207.24.0/24	AS16550	Google LLC	United States Patent and Trademark Office	256
208.54.46.0/24	AS16550	Google LLC	T Mobile USA, Inc.	256
151.207.26.0/24	AS16550	Google LLC	United States Patent and Trademark Office	256
35.199.192.0/19	AS16550	Google LLC	Google LLC	8192
137.75.122.0/24	AS16550	Google LLC	National Oceanic and Atmospheric Administration	256
208.54.48.0/24	AS16550	Google LLC	T Mobile USA, Inc.	256
185.17.248.0/24	AS16550	Google LLC	Google LLC	256
208.54.50.0/24	AS16550	Google LLC	T Mobile USA, Inc.	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:       16550
ASName:         GOOGLE-PRIVATE-CLOUD
ASHandle:       AS16550
RegDate:        2017-07-31
Updated:        2017-07-31
Comment:        *** This ASN is used for Google Private Cloud *** 
Comment:        
Comment:        Direct all copyright and legal complaints to 
Comment:        https://support.google.com/legal/go/report
Comment:        
Comment:        Direct all spam and abuse complaints to 
Comment:        https://support.google.com/code/go/gce_abuse_report
Comment:        
Comment:        For fastest response, use the relevant forms above.
Comment:        
Comment:        Complaints can also be sent to the GC Abuse desk 
Comment:        (google-cloud-compliance@google.com) 
Comment:        but may have longer turnaround times.
Comment:        
Comment:        Complaints sent to any other POC will be ignored.
Ref:            https://rdap.arin.net/registry/autnum/16550



OrgName:        Google LLC
OrgId:          GOOGL-2
Address:        1600 Amphitheatre Parkway
City:           Mountain View
StateProv:      CA
PostalCode:     94043
Country:        US
RegDate:        2006-09-29
Updated:        2019-11-01
Comment:        *** The IP addresses under this Org-ID are in use by Google Cloud customers *** 
Comment:        
Comment:        Direct all copyright and legal complaints to 
Comment:        https://support.google.com/legal/go/report
Comment:        
Comment:        Direct all spam and abuse complaints to 
Comment:        https://support.google.com/code/go/gce_abuse_report
Comment:        
Comment:        For fastest response, use the relevant forms above.
Comment:        
Comment:        Complaints can also be sent to the GC Abuse desk 
Comment:        (google-cloud-compliance@google.com) 
Comment:        but may have longer turnaround times.
Comment:        
Comment:        Complaints sent to any other POC will be ignored.
Ref:            https://rdap.arin.net/registry/entity/GOOGL-2


OrgTechHandle: ZG39-ARIN
OrgTechName:   Google LLC
OrgTechPhone:  +1-650-253-0000 
OrgTechEmail:  arin-contact@google.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZG39-ARIN

OrgNOCHandle: GCABU-ARIN
OrgNOCName:   GC Abuse
OrgNOCPhone:  +1-650-253-0000 
OrgNOCEmail:  google-cloud-compliance@google.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/GCABU-ARIN

OrgAbuseHandle: GCABU-ARIN
OrgAbuseName:   GC Abuse
OrgAbusePhone:  +1-650-253-0000 
OrgAbuseEmail:  google-cloud-compliance@google.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GCABU-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" : "16550",
    "as_handle" : "AS16550",
    "as_name" : "GOOGLE-PRIVATE-CLOUD",
    "tech_contacts" : [ "ZG39-ARIN" ],
    "abuse_contacts" : [ "GCABU-ARIN" ],
    "date_created" : "2017-07-31",
    "date_updated" : "2017-07-31",
    "source" : "https://rdap.arin.net/registry/autnum/16550"
  } ],
  "organization" : {
    "handle" : "GOOGL-2",
    "name" : "Google LLC",
    "address" : [ "1600 Amphitheatre Parkway", "Mountain View", "CA", "94043", "US" ],
    "street" : "Amphitheatre Parkway",
    "city" : "Mountain View",
    "state" : "CA",
    "zip_code" : "94043",
    "country" : [ "US" ],
    "date_created" : "2006-09-29",
    "date_updated" : "2019-11-01",
    "source" : "https://rdap.arin.net/registry/entity/GOOGL-2",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "ZG39-ARIN",
    "name" : "Google LLC",
    "email" : [ "arin-contact@google.com" ],
    "phone" : [ "+1-650-253-0000" ],
    "source" : "https://rdap.arin.net/registry/entity/ZG39-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "GCABU-ARIN",
    "name" : "GC Abuse",
    "email" : [ "google-cloud-compliance@google.com" ],
    "phone" : [ "+1-650-253-0000" ],
    "source" : "https://rdap.arin.net/registry/entity/GCABU-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS21928	T Mobile USA, Inc.	US
AS3477	National Oceanic and Atmospheric Administration	US
AS4608	Asia Pacific Network Information Centre	AU
AS21928	T-Mobile USA, Inc.	US
AS4608	APNIC SERVICES Asia Pacific Network Information Centre	AU
AS43458	AIRNITY SAS	FR

Upstreams

AS Number	Description	Country
AS21928	T Mobile USA, Inc.	US
AS3477	National Oceanic and Atmospheric Administration	US
AS43458	AIRNITY SAS	FR