ASN AS11281 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11281?

AS11281 is listed under Roblox.

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.

AS11281 Roblox | IPGeolocation.io

ASN Lookup Tool

Roblox roblox.com

US 11 Routes

AS Data

AS11281

AS11281 – Roblox

AS Number	11281
AS Name	ROBLOX-CORPORATE
Organization	Roblox(rc-376)
Country	US
Website	roblox.com
Number of IPv4 Routes	9
Number of IPv6 Routes	2
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2017-10-18

ASN Intelligence API for production workflows

Use ASN data for AS11281 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
204.13.173.0/24	AS11281	Roblox	Roblox Corporation	256
204.9.184.0/24	AS11281	Roblox	Roblox Corporation	256
204.13.174.0/24	AS11281	Roblox	Roblox Corporation	256
204.13.171.0/24	AS11281	Roblox	Roblox Corporation	256
204.13.172.0/24	AS11281	Roblox	Roblox Corporation	256
23.173.192.0/24	AS11281	Roblox	Roblox	256
204.13.170.0/24	AS11281	Roblox	Roblox Corporation	256
2602:801:1009::/48	AS11281	Roblox	Roblox Corporation	~1×10²⁴
204.13.168.0/24	AS11281	Roblox	Roblox Corporation	256
204.13.169.0/24	AS11281	Roblox	Roblox Corporation	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:       11281
ASName:         ROBLOX-CORPORATE
ASHandle:       AS11281
RegDate:        2017-10-18
Updated:        2017-10-27
Ref:            https://rdap.arin.net/registry/autnum/11281


OrgName:        Roblox
OrgId:          RC-376
Address:        One Franklin Parkway, Building 910
City:           San Mateo
StateProv:      CA
PostalCode:     94403
Country:        US
RegDate:        2014-11-21
Updated:        2025-05-19
Ref:            https://rdap.arin.net/registry/entity/RC-376


OrgTechHandle: OPERA503-ARIN
OrgTechName:   OPERATIONS
OrgTechPhone:  +1-415-655-1982 
OrgTechEmail:  noc@roblox.com
OrgTechRef:    https://rdap.arin.net/registry/entity/OPERA503-ARIN

OrgNOCHandle: OPERA503-ARIN
OrgNOCName:   OPERATIONS
OrgNOCPhone:  +1-415-655-1982 
OrgNOCEmail:  noc@roblox.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/OPERA503-ARIN

OrgAbuseHandle: ABUSE9307-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-415-655-1982 
OrgAbuseEmail:  network-abuse@roblox.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9307-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" : "11281",
    "as_handle" : "AS11281",
    "as_name" : "ROBLOX-CORPORATE",
    "tech_contacts" : [ "OPERA503-ARIN" ],
    "abuse_contacts" : [ "ABUSE9307-ARIN" ],
    "date_created" : "2017-10-18",
    "date_updated" : "2017-10-27",
    "source" : "https://rdap.arin.net/registry/autnum/11281"
  } ],
  "organization" : {
    "handle" : "RC-376",
    "name" : "Roblox",
    "address" : [ "One Franklin Parkway, Building 910", "San Mateo", "CA", "94403", "US" ],
    "city" : "San Mateo",
    "state" : "CA",
    "zip_code" : "94403",
    "country" : [ "US" ],
    "date_created" : "2014-11-21",
    "date_updated" : "2025-05-19",
    "source" : "https://rdap.arin.net/registry/entity/RC-376",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "OPERA503-ARIN",
    "name" : "OPERATIONS",
    "email" : [ "noc@roblox.com" ],
    "phone" : [ "+1-415-655-1982" ],
    "source" : "https://rdap.arin.net/registry/entity/OPERA503-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE9307-ARIN",
    "name" : "Abuse",
    "email" : [ "network-abuse@roblox.com" ],
    "phone" : [ "+1-415-655-1982" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE9307-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS65910
AS65900
AS11404	Wave Broadband	US
AS65901
AS3356	Level 3 Parent, LLC	US
AS22697	Roblox	US

Upstreams

AS Number	Description	Country
AS11404	Wave Broadband	US
AS3356	Level 3 Parent, LLC	US
AS22697	Roblox	US

Downstreams

AS Number	Description	Country
AS65910
AS-91065295
AS65900
AS65901

Contacts

Email Contacts

noc@roblox.com

Abuse Contacts

network-abuse@roblox.com