ASN Lookup Tool

Opera Software Americas LLC opera.com US US 12 Routes

AS Data

AS21837

AS21837 – Opera Software Americas LLC

AS Number 21837
AS Name OPERASOFTWARE
Organization Opera Software Americas LLC(osal)
Country US
Website opera.com
Number of IPv4 Routes 10
Number of IPv6 Routes 2
ASN type BUSINESS
Registry ARIN
Date Allocated 2013-10-04

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Use ASN data for AS21837 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2620:117:c000::/48 ~1×10²⁴
107.167.102.0/24 256
107.167.104.0/21 2048
107.167.96.0/22 1024
107.167.122.0/24 256
107.167.103.0/24 256
107.167.125.0/24 256
107.167.123.0/24 256
107.167.100.0/24 256
107.167.126.0/24 256

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:       21837
ASName:         OPERASOFTWARE
ASHandle:       AS21837
RegDate:        2013-10-04
Updated:        2013-10-04    
Ref:            https://rdap.arin.net/registry/autnum/21837


OrgName:        Opera Software Americas LLC
OrgId:          OSAL
Address:        1875 South Grant Street, suite #800
Address:        San Mateo
City:           San Mateo
StateProv:      CA
PostalCode:     94402
Country:        US
RegDate:        2013-05-03
Updated:        2013-05-03
Ref:            https://rdap.arin.net/registry/entity/OSAL


OrgNOCHandle: NOC13144-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +4740401466 
OrgNOCEmail:  netops@opera.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC13144-ARIN

OrgAbuseHandle: ABUSE3754-ARIN
OrgAbuseName:   Abuse Desk
OrgAbusePhone:  +4740401466 
OrgAbuseEmail:  abuse@opera.software
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3754-ARIN

OrgTechHandle: NOC13144-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +4740401466 
OrgTechEmail:  netops@opera.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC13144-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

Peers

AS Number Description Country
AS39832 Opera Norway AS NO
AS1239 Cogent Communications, LLC US
AS6939 Hurricane Electric LLC US
AS6461 Zayo Bandwidth US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS6939 Hurricane Electric LLC US
AS6461 Zayo Bandwidth US
AS174 Cogent Communications, LLC US

Downstreams

AS Number Description Country
AS39832 Opera Norway AS NO

Contacts

Email Contacts

netops@opera.com

Abuse Contacts

abuse@opera.software

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Frequently Asked Questions

ASN AS21837 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21837 is listed under Opera Software Americas LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.