ASN AS18521 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS18521?

AS18521 is listed under American Campus Communities, Inc.

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.

AS18521 American Campus Communities, Inc

ASN Lookup Tool

American Campus Communities, Inc studenthousing.com

US 1 Routes

AS Data

AS18521

AS18521 – American Campus Communities, Inc

AS Number	18521
AS Name	AMERICAN-CAMPUS-COMMUNITIES
Organization	American Campus Communities, Inc(acc-345)
Country	US
Website	studenthousing.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2007-03-22

ASN Intelligence API for production workflows

Use ASN data for AS18521 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
216.54.130.0/24	AS18521	American Campus Communities, Inc	American Registry for Internet Numbers	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:       18521
ASName:         AMERICAN-CAMPUS-COMMUNITIES
ASHandle:       AS18521
RegDate:        2007-03-22
Updated:        2012-03-02
Comment:        DATAC10-ARIN    
Ref:            https://rdap.arin.net/registry/autnum/18521


OrgName:        American Campus Communities, Inc
OrgId:          ACC-345
Address:        12700 Hill Country Blvd
Address:        Suite T200
City:           AUSTIN
StateProv:      TX
PostalCode:     78738
Country:        US
RegDate:        2007-03-16
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/ACC-345


OrgTechHandle: DATAC10-ARIN
OrgTechName:   DATACENTER OPERATIONS
OrgTechPhone:  +1-512-705-3341 
OrgTechEmail:  DATACENTER@studenthousing.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DATAC10-ARIN

OrgAbuseHandle: DATAC10-ARIN
OrgAbuseName:   DATACENTER OPERATIONS
OrgAbusePhone:  +1-512-705-3341 
OrgAbuseEmail:  DATACENTER@studenthousing.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DATAC10-ARIN

RNOCHandle: DATAC10-ARIN
RNOCName:   DATACENTER OPERATIONS
RNOCPhone:  +1-512-705-3341 
RNOCEmail:  DATACENTER@studenthousing.com
RNOCRef:    https://rdap.arin.net/registry/entity/DATAC10-ARIN

RTechHandle: DATAC10-ARIN
RTechName:   DATACENTER OPERATIONS
RTechPhone:  +1-512-705-3341 
RTechEmail:  DATACENTER@studenthousing.com
RTechRef:    https://rdap.arin.net/registry/entity/DATAC10-ARIN

RAbuseHandle: DATAC10-ARIN
RAbuseName:   DATACENTER OPERATIONS
RAbusePhone:  +1-512-705-3341 
RAbuseEmail:  DATACENTER@studenthousing.com
RAbuseRef:    https://rdap.arin.net/registry/entity/DATAC10-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
AS11427	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS11427	Charter Communications Inc	US