ASN Lookup Tool

AS11509
Tierzero US US 34 Routes

AS11509Tierzero

AS Number 11509
AS Name TIERZERO-AS11509
Organization Tierzero(tierz)
Country US
Website tierzero.com
Number of IPv4 Routes 32
Number of IPv6 Routes 2
ASN type ISP
Allocation Status assigned
Registry ARIN
Date Allocated N/A

IP Ranges

Route # IPs
64.239.128.0/19 8192
64.239.187.0/24 256
64.239.190.0/23 512
208.179.0.0/16 65536
64.239.160.0/20 4096
64.239.188.0/24 256
216.31.128.0/18 16384
2620:f:6000::/48 ~1×10²⁴
64.239.184.0/24 256
buy plan 256
buy plan 256
buy plan 8192
buy plan 1024
buy plan 8192

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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       11509
ASName:         TIERZERO-AS11509
ASHandle:       AS11509
RegDate:        1998-09-15
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/11509


OrgName:        Tierzero
OrgId:          TIERZ
Address:        77 N Mentor Ave
City:           Pasadena
StateProv:      CA
PostalCode:     91106
Country:        US
RegDate:        2004-05-21
Updated:        2024-11-25
Ref:            https://rdap.arin.net/registry/entity/TIERZ


OrgAbuseHandle: ABUSE3154-ARIN
OrgAbuseName:   Abuse Department
OrgAbusePhone:  +1-213-784-1400 
OrgAbuseEmail:  abuse@tierzero.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3154-ARIN

OrgTechHandle: TECHT-ARIN
OrgTechName:   TECH-TIERZERO
OrgTechPhone:  +1-213-784-1397 
OrgTechEmail:  ipnetworkops@tierzero.net
OrgTechRef:    https://rdap.arin.net/registry/entity/TECHT-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 1997-2025, American Registry for Internet Numbers, Ltd.
#
            

Parsed Whois Response

Peers

AS Number Description Country
AS1299 Arelion Sweden AB SE
AS6461 Zayo Bandwidth US
AS13649 Flexential Colorado Corp. US

Upstreams

AS Number Description Country
AS1299 Arelion Sweden AB SE
AS6461 Zayo Bandwidth US
AS13649 Flexential Colorado Corp. US

Contacts

Email Contacts

Abuse Contacts

Ready to get started?Get Started with ASN Intelligence API Today

CTA Illustration