ASN Lookup Tool

Iron Mountain Inc ironmountain.com US US 16 Routes

AS Data

AS21549

AS21549 – Iron Mountain Inc

AS Number 21549
AS Name IRON-MOUNTAIN
Organization Iron Mountain Inc(ironmo-2)
Country US
Website ironmountain.com
Number of IPv4 Routes 16
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2001-05-21

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Use ASN data for AS21549 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
216.229.154.0/24 256
113.29.110.192/26 64
216.229.144.0/24 256
170.62.38.0/24 256
216.229.146.0/24 256
138.207.76.0/24 256
170.62.126.0/24 256
216.229.152.0/23 512
208.66.139.0/24 256
216.229.156.0/22 1024

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:       21549
ASName:         IRON-MOUNTAIN
ASHandle:       AS21549
RegDate:        2001-05-21
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/21549


OrgName:        Iron Mountain Inc
OrgId:          IRONMO-2
Address:        1 Federal Street Fl 6
City:           Boston
StateProv:      MA
PostalCode:     02111
Country:        US
RegDate:        2001-05-21
Updated:        2018-02-15
Ref:            https://rdap.arin.net/registry/entity/IRONMO-2


OrgTechHandle: NETWO6599-ARIN
OrgTechName:   Network Services
OrgTechPhone:  +1-724-794-7500 
OrgTechEmail:  arin-contact@ironmountain.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO6599-ARIN

OrgAbuseHandle: NETWO6599-ARIN
OrgAbuseName:   Network Services
OrgAbusePhone:  +1-724-794-7500 
OrgAbuseEmail:  arin-contact@ironmountain.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO6599-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
AS12025 Iron Mountain Data Center US
AS3549 Level 3 Communications, Inc. (GBLX) US
AS33650 Comcast Cable Communications, LLC US
AS3356 Level 3 Parent, LLC US

Upstreams

AS Number Description Country
AS12025 Iron Mountain Data Center US
AS33650 Comcast Cable Communications, LLC US
AS3356 Level 3 Parent, LLC US

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Frequently Asked Questions

ASN AS21549 is an Autonomous System Number used to identify a network for BGP internet routing.
AS21549 is listed under Iron Mountain Inc.
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.