ASN AS11878 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11878?

AS11878 is listed under tzulo, 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?

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AS11878 tzulo, inc. | IPGeolocation.io

ASN Lookup Tool

tzulo, inc. tzulo.com

US 219 Routes

AS Data

AS11878

AS11878 – tzulo, inc.

AS Number	11878
AS Name	TZULO
Organization	tzulo, inc.(tzulo)
Country	US
Website	tzulo.com
Number of IPv4 Routes	187
Number of IPv6 Routes	32
ASN type	ISP
Registry	ARIN
Date Allocated	2007-04-02

ASN Intelligence API for production workflows

Use ASN data for AS11878 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
107.152.44.0/24	AS11878	tzulo, inc.	Cloudfanatic	256
2607:9000:4000::/36	AS11878	tzulo, inc.	Tzulo RDU	~5×10²⁷
173.249.208.0/24	AS11878	tzulo, inc.	tzulo, inc.	256
173.249.192.0/24	AS11878	tzulo, inc.	TZULO	256
23.234.72.0/24	AS11878	tzulo, inc.	YMind Inc.	256
23.234.104.0/24	AS11878	tzulo, inc.	gu xiaochuan	256
185.130.60.0/24	AS11878	tzulo, inc.	tzulo, inc.	256
23.234.114.0/24	AS11878	tzulo, inc.	Aftab	256
198.54.131.0/24	AS11878	tzulo, inc.	Tzulo SEA	256
198.44.159.0/24	AS11878	tzulo, inc.	tzulo, inc.	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:       11878
ASName:         TZULO
ASHandle:       AS11878
RegDate:        2007-04-02
Updated:        2012-02-24
Comment:        http://www.tzulo.com    
Ref:            https://rdap.arin.net/registry/autnum/11878


OrgName:        tzulo, inc.
OrgId:          TZULO
Address:        427 South LaSalle Street
Address:        Suite 405
City:           Chicago
StateProv:      IL
PostalCode:     60605
Country:        US
RegDate:        2007-03-28
Updated:        2024-11-25
Comment:        https://www.tzulo.com
Comment:        Colocation, Dedicated Servers, Cloud/Virtual Servers, Managed Hosting Services
Ref:            https://rdap.arin.net/registry/entity/TZULO


OrgNOCHandle: NOCTZ-ARIN
OrgNOCName:   NOC tzulo
OrgNOCPhone:  +1-847-847-2048 
OrgNOCEmail:  noc@tzulo.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOCTZ-ARIN

OrgAbuseHandle: ABUSE1633-ARIN
OrgAbuseName:   Abuse tzulo
OrgAbusePhone:  +1-847-847-2048 
OrgAbuseEmail:  abuse@tzulo.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1633-ARIN

OrgTechHandle: NOCTZ-ARIN
OrgTechName:   NOC tzulo
OrgTechPhone:  +1-847-847-2048 
OrgTechEmail:  noc@tzulo.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOCTZ-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
AS397270	NetInformatik Inc.	US
AS3491	PCCW Global, Inc.	US
AS3491	PCCW Global	US
AS36236	NetActuate, Inc	US
AS46844	Sharktech	US
AS6830	Liberty Global Europe Holding B.V.	NL
AS6079	RCN	US
AS53745	Nordklett Inc.	US
AS6461	Zayo Bandwidth	US
AS203619	IVPN Limited	GI

Upstreams

AS Number	Description	Country
AS3491	PCCW Global, Inc.	US
AS36236	NetActuate, Inc	US
AS46844	Sharktech	US
AS6830	Liberty Global Europe Holding B.V.	NL
AS6079	RCN	US
AS53745	Nordklett Inc.	US
AS6461	Zayo Bandwidth	US
AS32097	WholeSale Internet, Inc.	US