LAYER3 INTEL
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Data as of Nov 12, 2026

203.172.0.0/22

No anonymizer space · no proxy exits in 30 days

VITRO Inc.

Announcement
203.172.0.0/21
RPKI valid
Announced by
AS7629
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
203.172.0.0/20
since Oct 2025
AS7629HostingVITRO Inc.
203.172.0.0/19
since May 2005
AS7629HostingVITRO Inc.

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
203.172.0.0/198,192VITROINCVITRO Inc. (ORG-EI1-AP) · PHALLOCATED PORTABLE—abuse@vitrodc.com
└ 203.172.0.0/24256INFOCOM-PHINFOCOM Technologies, Inc.ASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.1.0/24256INFOCOM-PHINFOCOM Technologies, Inc.ASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.0/2732RCC-PHRustan BuildingASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.32/2732AXCESSTECH-PHAxcess TechnologiesASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.64/2732PASALUBONG1-PHPasalubongko.com IncASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.96/2816YASSEROMAR-PHYasser J Omar LAN IPASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.112/2816BAPURDUE-PHBruce Allan PurdueASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.128/2816CanyonWoodsLLJR-PHCanyon Woods Residential ResortASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.160/2816ADVENTISTINTL-PHAdventist International Institute ofASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.176/2816EWPA-PHEast West Placement AgencyASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.192/2732GEORGE-PHDr. George.comASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.2.224/2732AMKORANAM-PHunknownASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.0/2816TOYOTA-PHToyota Motor Philippines CorporationASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.32/2816BCDAUTH-PHBases Conversion Development AuthorityASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.48/2816INFRONTIERPHILS-PHInfrontier Philippines IncASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.64/2732SMARTCRUF-PHSmart Communications RUFINOASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.96/2816CAPPLUS-PHCr8ve Art Print PlusASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.112/2816HITECRCDPHIL-PHHitec RCD Philippines IncASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.144/2816SHINETSUMP-PHShinetsu Magnetics PhilippinesASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.160/2816SENSATION-PHSensation Global MarketingASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.176/2816CCCMC-PHCiti Circuit Construction & Maintenance CorpASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.192/2816INCSM-PHINC Ship ManagementASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.208/2816MAAP1-PHMaritime Academy of Asia and the PacificASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.3.240/2816CanyonWoodsMAKATILLJR-PHCanyon Woods Residential Resort GilASSIGNED NON-PORTABLE—abuse@vitrodc.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

203.172.0.0/21

Routing history

Pattern
Stable
First seen
Oct 2025
Current origin since
Oct 2025 · 1.1 yr
Origin networks
1