ASN Lookup Tool

Advent Software advent.com US US 4 Routes

AS Data

AS11144

AS11144 – Advent Software

AS Number 11144
AS Name ADVENT-SOFTWARE
Organization Advent Software(advent-6)
Country US
Website advent.com
Number of IPv4 Routes 4
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 1998-04-24

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Use ASN data for AS11144 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
216.10.151.0/24 256
216.10.149.0/24 256
216.10.150.0/24 256
170.40.225.0/24 256

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:       11144
ASName:         ADVENT-SOFTWARE
ASHandle:       AS11144
RegDate:        1998-04-24
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/11144


OrgName:        Advent Software
OrgId:          ADVENT-6
Address:        301 Brannan Street
City:           San Francisco
StateProv:      CA
PostalCode:     94107
Country:        US
RegDate:        1998-04-08
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/ADVENT-6


OrgAbuseHandle: MC1816-ARIN
OrgAbuseName:   Calabrese, Michael 
OrgAbusePhone:  +1-314-789-6246 
OrgAbuseEmail:  mcalabre@advent.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MC1816-ARIN

OrgTechHandle: MC1816-ARIN
OrgTechName:   Calabrese, Michael 
OrgTechPhone:  +1-314-789-6246 
OrgTechEmail:  mcalabre@advent.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MC1816-ARIN

RTechHandle: NOA1-ARIN
RTechName:   Network Operations Center Advent Software
RTechPhone:  +1-415-645-1809 
RTechEmail:  nocadmin@sscinc.com
RTechRef:    https://rdap.arin.net/registry/entity/NOA1-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
AS13335 Cloudflare, Inc. US

Upstreams

AS Number Description Country
AS13335 Cloudflare, Inc. US

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Frequently Asked Questions

ASN AS11144 is an Autonomous System Number used to identify a network for BGP internet routing.
AS11144 is listed under Advent Software.
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.