ASN AS19557 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19557?

AS19557 is listed under CHANGEIP COM.

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.

AS19557 CHANGEIP COM | IPGeolocation.io

ASN Lookup Tool

CHANGEIP COM changeip.cc

US 9 Routes

AS Data

AS19557

AS19557 – CHANGEIP COM

AS Number	19557
AS Name	CHANGEIP-01
Organization	CHANGEIP COM(chang-4)
Country	US
Website	changeip.cc
Number of IPv4 Routes	6
Number of IPv6 Routes	3
ASN type	ISP
Registry	ARIN
Date Allocated	2005-10-21

ASN Intelligence API for production workflows

Use ASN data for AS19557 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2620:100:5002::/48	AS19557	CHANGEIP COM	CHANGEIP COM	~1×10²⁴
204.16.173.0/24	AS19557	CHANGEIP COM	CHANGEIP COM	256
204.16.174.0/24	AS19557	CHANGEIP COM	CHANGEIP COM	256
204.16.172.0/24	AS19557	CHANGEIP COM	CHANGEIP COM	256
204.16.168.0/21	AS19557	CHANGEIP COM	CHANGEIP COM	2048
2620:100:5000::/45	AS19557	CHANGEIP COM	CHANGEIP COM	~1×10²⁷
204.16.171.0/24	AS19557	CHANGEIP COM	CHANGEIP COM	256
204.16.175.0/24	AS19557	CHANGEIP COM	CHANGEIP COM	256
2620:100:5001::/48	AS19557	CHANGEIP COM	CHANGEIP COM	~1×10²⁴

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:       19557
ASName:         CHANGEIP-01
ASHandle:       AS19557
RegDate:        2005-10-21
Updated:        2012-03-02
Comment:        For abuse issues contact SUPPORT AT CHANGEIP.COM    
Ref:            https://rdap.arin.net/registry/autnum/19557


OrgName:        CHANGEIP COM
OrgId:          CHANG-4
Address:        PO Box 2333
City:           San Marcos
StateProv:      CA
PostalCode:     92079
Country:        US
RegDate:        2005-10-17
Updated:        2005-11-09
Ref:            https://rdap.arin.net/registry/entity/CHANG-4


OrgAbuseHandle: CSD2-ARIN
OrgAbuseName:   ChangeIP Network Operations
OrgAbusePhone:  +1-800-791-3367 
OrgAbuseEmail:  networking@changeip.cc
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CSD2-ARIN

OrgTechHandle: CSD2-ARIN
OrgTechName:   ChangeIP Network Operations
OrgTechPhone:  +1-800-791-3367 
OrgTechEmail:  networking@changeip.cc
OrgTechRef:    https://rdap.arin.net/registry/entity/CSD2-ARIN

RAbuseHandle: CSD2-ARIN
RAbuseName:   ChangeIP Network Operations
RAbusePhone:  +1-800-791-3367 
RAbuseEmail:  networking@changeip.cc
RAbuseRef:    https://rdap.arin.net/registry/entity/CSD2-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
AS23352	DEFT.COM	US

Upstreams

AS Number	Description	Country
AS23352	DEFT.COM	US