Data as of Nov 6, 2026

173.253.0.0/17

No anonymizer space · no proxy exits in 30 days

tzulo, inc.

Announcement

this exact prefix

RPKI valid

Announced by

AS11878

Type

Hosting

Risk

50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
173.253.0.0/17	32,768	TZULO	tzulo, inc. (TZULO) · US	Direct Allocation	Sep 22, 2010	abuse@tzulo.com
└ 173.253.0.0/22	1,024	TZULO	tzulo (C05187711) · US	Reassigned	Jul 25, 2014	abuse@tzulo.com via TZULO
└ 173.253.4.0/22	1,024	HIBERNIA-US-NET-1	tzulo (C05187718) · US	Reassigned	Jul 25, 2014	abuse@tzulo.com via TZULO
└ 173.253.8.0/21	2,048	HIBERNIA-US-NET-1	tzulo (C05187735) · US	Reassigned	Jul 25, 2014	abuse@tzulo.com via TZULO
└ 173.253.32.0/19	8,192	TZULO	tzulo (C05187613) · US	Reassigned	Jul 28, 2014	abuse@tzulo.com via TZULO
└ 173.253.64.0/21	2,048	TZULO	CLS Network Technology Co. Ltd. (C02680767) · CN	Reassigned	Jan 25, 2011	abuse@tzulo.com via TZULO
└ 173.253.72.0/21	2,048	TZULO	Raghu Veer Dendukuri (C02680768) · IN	Reassigned	Jan 25, 2011	abuse@tzulo.com via TZULO
└ 173.253.80.0/20	4,096	TZULO	wang haining (C02680775) · CN	Reassigned	Jan 25, 2011	abuse@tzulo.com via TZULO
└ 173.253.96.0/23	512	TZULO	unknown	—	—	—
└ 173.253.98.0/23	512	TZULO	unknown	—	—	—
└ 173.253.100.0/22	1,024	TZULO	NGT (C02699768) · CN	Reassigned	Feb 17, 2011	abuse@tzulo.com via TZULO
└ 173.253.104.0/21	2,048	TZULO	liu jiachang (C02699769) · CN	Reassigned	Feb 17, 2011	abuse@tzulo.com via TZULO
└ 173.253.112.0/29	8	TZULO	unknown	—	—	—
└ 173.253.112.8/29	8	TZULO	unknown	—	—	—
└ 173.253.112.16/29	8	TZULO	unknown	—	—	—
└ 173.253.112.24/29	8	TZULO	unknown	—	—	—
└ 173.253.112.32/29	8	TZULO	unknown	—	—	—
└ 173.253.112.40/29	8	TZULO	unknown	—	—	—
└ 173.253.112.48/29	8	TZULO	unknown	—	—	—
└ 173.253.112.56/29	8	TZULO	unknown	—	—	—
└ 173.253.112.64/29	8	TZULO	unknown	—	—	—
└ 173.253.112.72/29	8	TZULO	unknown	—	—	—
└ 173.253.112.80/29	8	TZULO	unknown	—	—	—
└ 173.253.112.88/29	8	TZULO	unknown	—	—	—
└ 173.253.112.96/29	8	TZULO	unknown	—	—	—
└ 173.253.112.104/29	8	TZULO	unknown	—	—	—
└ 173.253.112.112/29	8	TZULO	unknown	—	—	—
└ 173.253.112.120/29	8	TZULO	unknown	—	—	—
└ 173.253.112.128/29	8	TZULO	unknown	—	—	—
└ 173.253.112.136/29	8	TZULO	unknown	—	—	—
└ 173.253.112.144/29	8	TZULO	unknown	—	—	—
└ 173.253.112.152/29	8	TZULO	unknown	—	—	—
└ 173.253.112.168/29	8	TZULO	unknown	—	—	—
└ 173.253.112.176/29	8	TZULO	unknown	—	—	—
└ 173.253.112.184/29	8	TZULO	unknown	—	—	—
└ 173.253.112.192/29	8	TZULO	unknown	—	—	—
└ 173.253.112.200/29	8	TZULO	unknown	—	—	—
└ 173.253.112.208/29	8	TZULO	unknown	—	—	—
└ 173.253.112.216/29	8	TZULO	unknown	—	—	—
└ 173.253.112.224/29	8	TZULO	unknown	—	—	—
└ 173.253.112.232/29	8	TZULO	unknown	—	—	—
└ 173.253.112.240/29	8	TZULO	unknown	—	—	—
└ 173.253.112.248/29	8	TZULO	unknown	—	—	—
└ 173.253.113.0/29	8	TZULO	unknown	—	—	—
└ 173.253.113.8/29	8	TZULO	unknown	—	—	—
└ 173.253.113.16/29	8	TZULO	unknown	—	—	—
└ 173.253.113.24/29	8	TZULO	unknown	—	—	—
└ 173.253.113.32/29	8	TZULO	unknown	—	—	—
└ 173.253.113.40/29	8	TZULO	unknown	—	—	—
└ 173.253.113.48/29	8	TZULO	unknown	—	—	—
└ 173.253.113.56/29	8	TZULO	unknown	—	—	—
└ 173.253.113.64/29	8	TZULO	unknown	—	—	—
└ 173.253.113.72/29	8	TZULO	unknown	—	—	—
└ 173.253.113.80/29	8	TZULO	unknown	—	—	—
└ 173.253.113.88/29	8	TZULO	unknown	—	—	—
└ 173.253.113.96/29	8	TZULO	unknown	—	—	—
└ 173.253.113.104/29	8	TZULO	unknown	—	—	—
└ 173.253.113.112/29	8	TZULO	unknown	—	—	—
└ 173.253.113.120/29	8	TZULO	unknown	—	—	—
└ 173.253.113.128/29	8	TZULO	unknown	—	—	—
└ 173.253.113.136/29	8	TZULO	unknown	—	—	—
└ 173.253.113.144/29	8	TZULO	unknown	—	—	—
└ 173.253.113.152/29	8	TZULO	unknown	—	—	—
└ 173.253.113.160/29	8	TZULO	unknown	—	—	—
└ 173.253.113.168/29	8	TZULO	unknown	—	—	—
└ 173.253.113.176/29	8	TZULO	unknown	—	—	—
└ 173.253.113.184/29	8	TZULO	unknown	—	—	—
└ 173.253.113.192/29	8	TZULO	unknown	—	—	—
└ 173.253.113.200/29	8	TZULO	unknown	—	—	—
└ 173.253.113.208/29	8	TZULO	unknown	—	—	—
└ 173.253.113.216/29	8	TZULO	unknown	—	—	—
└ 173.253.113.224/29	8	TZULO	unknown	—	—	—
└ 173.253.113.232/29	8	TZULO	unknown	—	—	—
└ 173.253.113.240/29	8	TZULO	unknown	—	—	—
└ 173.253.113.248/29	8	TZULO	unknown	—	—	—
└ 173.253.114.0/29	8	TZULO	unknown	—	—	—
└ 173.253.114.8/29	8	TZULO	unknown	—	—	—
└ 173.253.114.16/29	8	TZULO	unknown	—	—	—
└ 173.253.114.24/29	8	TZULO	unknown	—	—	—
└ 173.253.114.32/29	8	TZULO	unknown	—	—	—
└ 173.253.114.40/29	8	TZULO	unknown	—	—	—
└ 173.253.114.48/29	8	TZULO	unknown	—	—	—
└ 173.253.114.56/29	8	TZULO	unknown	—	—	—
└ 173.253.114.64/29	8	TZULO	unknown	—	—	—
└ 173.253.114.72/29	8	TZULO	unknown	—	—	—
└ 173.253.114.80/29	8	TZULO	unknown	—	—	—
└ 173.253.114.88/29	8	TZULO	unknown	—	—	—
└ 173.253.114.96/29	8	TZULO	unknown	—	—	—
└ 173.253.114.104/29	8	TZULO	unknown	—	—	—
└ 173.253.114.112/29	8	TZULO	unknown	—	—	—
└ 173.253.114.120/29	8	TZULO	unknown	—	—	—
└ 173.253.114.128/29	8	TZULO	unknown	—	—	—
└ 173.253.114.136/29	8	TZULO	unknown	—	—	—
└ 173.253.114.144/29	8	TZULO	unknown	—	—	—
└ 173.253.114.152/29	8	TZULO	unknown	—	—	—
└ 173.253.114.160/29	8	TZULO	unknown	—	—	—
└ 173.253.114.168/29	8	TZULO	unknown	—	—	—
└ 173.253.114.176/29	8	TZULO	unknown	—	—	—
└ 173.253.114.184/29	8	TZULO	unknown	—	—	—
└ 173.253.114.192/29	8	TZULO	unknown	—	—	—
└ 173.253.114.200/29	8	TZULO	unknown	—	—	—
└ 173.253.114.208/29	8	TZULO	unknown	—	—	—
└ 173.253.114.216/29	8	TZULO	unknown	—	—	—
└ 173.253.114.224/29	8	TZULO	unknown	—	—	—
└ 173.253.114.232/29	8	TZULO	unknown	—	—	—
└ 173.253.114.240/29	8	TZULO	unknown	—	—	—
└ 173.253.114.248/29	8	TZULO	unknown	—	—	—
└ 173.253.115.0/29	8	TZULO	unknown	—	—	—
└ 173.253.115.8/29	8	TZULO	unknown	—	—	—
└ 173.253.115.16/29	8	TZULO	unknown	—	—	—
└ 173.253.115.24/29	8	TZULO	unknown	—	—	—
└ 173.253.115.32/29	8	TZULO	unknown	—	—	—
└ 173.253.115.40/29	8	TZULO	unknown	—	—	—
└ 173.253.115.48/29	8	TZULO	unknown	—	—	—
└ 173.253.115.56/29	8	TZULO	unknown	—	—	—
└ 173.253.115.64/29	8	TZULO	unknown	—	—	—
└ 173.253.115.72/29	8	TZULO	unknown	—	—	—
└ 173.253.115.80/29	8	TZULO	unknown	—	—	—
└ 173.253.115.88/29	8	TZULO	unknown	—	—	—
└ 173.253.115.96/29	8	TZULO	unknown	—	—	—
└ 173.253.115.104/29	8	TZULO	unknown	—	—	—
└ 173.253.115.112/29	8	TZULO	unknown	—	—	—
└ 173.253.115.120/29	8	TZULO	unknown	—	—	—
└ 173.253.115.128/29	8	TZULO	unknown	—	—	—
└ 173.253.115.136/29	8	TZULO	unknown	—	—	—
└ 173.253.115.144/29	8	TZULO	unknown	—	—	—
└ 173.253.115.152/29	8	TZULO	unknown	—	—	—
└ 173.253.115.160/29	8	TZULO	unknown	—	—	—
└ 173.253.115.168/29	8	TZULO	unknown	—	—	—
└ 173.253.115.176/29	8	TZULO	unknown	—	—	—
└ 173.253.115.184/29	8	TZULO	unknown	—	—	—
└ 173.253.115.192/29	8	TZULO	unknown	—	—	—
└ 173.253.115.200/29	8	TZULO	unknown	—	—	—
└ 173.253.115.208/29	8	TZULO	unknown	—	—	—
└ 173.253.115.216/29	8	TZULO	unknown	—	—	—
└ 173.253.115.224/29	8	TZULO	unknown	—	—	—
└ 173.253.115.232/29	8	TZULO	unknown	—	—	—
└ 173.253.115.240/29	8	TZULO	unknown	—	—	—
└ 173.253.115.248/29	8	TZULO	unknown	—	—	—
└ 173.253.116.8/29	8	TZULO	unknown	—	—	—
└ 173.253.116.16/29	8	TZULO	unknown	—	—	—
└ 173.253.116.24/29	8	TZULO	unknown	—	—	—
└ 173.253.116.32/29	8	TZULO	unknown	—	—	—
└ 173.253.116.40/29	8	TZULO	unknown	—	—	—
└ 173.253.116.48/29	8	TZULO	unknown	—	—	—
└ 173.253.116.56/29	8	TZULO	unknown	—	—	—
└ 173.253.116.64/29	8	TZULO	unknown	—	—	—
└ 173.253.116.72/29	8	TZULO	unknown	—	—	—
└ 173.253.116.80/29	8	TZULO	unknown	—	—	—
└ 173.253.116.88/29	8	TZULO	unknown	—	—	—
└ 173.253.116.96/29	8	TZULO	unknown	—	—	—
└ 173.253.116.104/29	8	TZULO	unknown	—	—	—
└ 173.253.116.112/29	8	TZULO	unknown	—	—	—
└ 173.253.116.120/29	8	TZULO	unknown	—	—	—
└ 173.253.116.128/29	8	TZULO	unknown	—	—	—
└ 173.253.116.136/29	8	TZULO	unknown	—	—	—
└ 173.253.116.144/29	8	TZULO	unknown	—	—	—
└ 173.253.116.152/29	8	TZULO	unknown	—	—	—
└ 173.253.116.160/29	8	TZULO	unknown	—	—	—
└ 173.253.116.168/29	8	TZULO	unknown	—	—	—
└ 173.253.116.176/29	8	TZULO	unknown	—	—	—
└ 173.253.116.184/29	8	TZULO	unknown	—	—	—
└ 173.253.116.192/29	8	TZULO	unknown	—	—	—
└ 173.253.116.200/29	8	TZULO	unknown	—	—	—
└ 173.253.116.208/29	8	TZULO	unknown	—	—	—
└ 173.253.116.216/29	8	TZULO	unknown	—	—	—
└ 173.253.116.224/29	8	TZULO	unknown	—	—	—
└ 173.253.116.232/29	8	TZULO	unknown	—	—	—
└ 173.253.116.240/29	8	TZULO	unknown	—	—	—
└ 173.253.116.248/29	8	TZULO	unknown	—	—	—
└ 173.253.117.0/29	8	TZULO	unknown	—	—	—
└ 173.253.117.8/29	8	TZULO	unknown	—	—	—
└ 173.253.117.16/29	8	TZULO	unknown	—	—	—
└ 173.253.117.24/29	8	TZULO	unknown	—	—	—
└ 173.253.117.40/29	8	TZULO	unknown	—	—	—
└ 173.253.117.48/29	8	TZULO	unknown	—	—	—
└ 173.253.117.56/29	8	TZULO	unknown	—	—	—
└ 173.253.117.64/29	8	TZULO	unknown	—	—	—
└ 173.253.117.80/29	8	TZULO	unknown	—	—	—
└ 173.253.117.88/29	8	TZULO	unknown	—	—	—
└ 173.253.117.96/29	8	TZULO	unknown	—	—	—
└ 173.253.117.104/29	8	TZULO	unknown	—	—	—
└ 173.253.117.112/29	8	TZULO	unknown	—	—	—
└ 173.253.117.120/29	8	TZULO	unknown	—	—	—
└ 173.253.117.128/29	8	TZULO	unknown	—	—	—
└ 173.253.117.136/29	8	TZULO	unknown	—	—	—
└ 173.253.117.144/29	8	TZULO	unknown	—	—	—
└ 173.253.117.152/29	8	TZULO	unknown	—	—	—
└ 173.253.117.160/29	8	TZULO	unknown	—	—	—
└ 173.253.117.168/29	8	TZULO	unknown	—	—	—
└ 173.253.117.176/29	8	TZULO	unknown	—	—	—
└ 173.253.117.184/29	8	TZULO	unknown	—	—	—
└ 173.253.117.192/29	8	TZULO	unknown	—	—	—
└ 173.253.117.200/29	8	TZULO	unknown	—	—	—
└ 173.253.117.208/29	8	TZULO	unknown	—	—	—
└ 173.253.117.216/29	8	TZULO	unknown	—	—	—
└ 173.253.117.224/29	8	TZULO	unknown	—	—	—
└ 173.253.117.232/29	8	TZULO	unknown	—	—	—
└ 173.253.117.240/29	8	TZULO	unknown	—	—	—
└ 173.253.117.248/29	8	TZULO	unknown	—	—	—
└ 173.253.118.0/29	8	TZULO	unknown	—	—	—

← Previous1–200 of 449 · page 1 of 3Next →

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS11878

Name: tzulo, inc.
Type: Hosting
Registered: Apr 2, 2007
Domain: tzulo.com
Website: www.tzulo.com
Spamhaus ASN-DROP: not listed
VPN servers: 388

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
173.253.0.0/17	AS11878	/32	ARIN	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS11878	RADB	173.253.0.0/17	MAINT-AS11878	Nov 13, 2023
AS11878	ARIN	tzulo, inc.	MNT-TZULO	Jan 2, 2026

173.253.0.0/17

Registrations in this block

Network & registry

AS11878

Who has announced this prefix

Routing history

History

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact