LAYER3 INTEL
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Data as of Nov 13, 2026

203.172.28.0/22

No anonymizer space · no proxy exits in 30 days

VITRO Inc.

Announcement
203.172.24.0/21
RPKI valid
Announced by
AS7629
Type
Hosting
Risk
50 / 100 · Medium

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
203.172.16.0/20
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
└ 203.172.16.0/204,096VITROINCVITRO Inc. (ORG-EI1-AP) · PHALLOCATED PORTABLE—abuse@vitrodc.com
└ 203.172.28.0/2664INFOCOM-PHINFOCOM Technologies, Inc.ASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.28.64/2732PATTS-PHPATTS Hangar, Domestic AirportASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.28.96/2732NSO-PHunknownASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.28.128/2732SMARTCOMM-PHRufino Pacific TowerASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.28.160/2732SCOMM-PHSmart CommunicationsASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.28.192/2732AIMPHIL-PHAsian Institute of ManagementASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.28.224/2732SEACAM-PHLa Farge SeacamASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.29.0/24256AIMLL-PHAsian Institute of ManagementASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.30.0/2732SVISPLAN-PHSubic OfficeASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.30.32/2732OMRON-PHOmron MechatronixASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.30.64/2732ACES-PHunknownASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.30.96/2732STIOLONGAPO-PHSTI OlongapoASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.30.192/2732AMACLCSUBIC-PHSBMA Olongapo CityASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.30.224/2732COLUMBAN-PHSBMA Olongapo CityASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.0/298PPA-PHunknownASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.8/298SMPRIME-PHP/H Benguet CenterASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.16/298ADBADSL-PHAsian Development Bank - ADSLASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.24/298ANSI-PHunknownASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.32/298MDSCORP-PHMDS CorporationASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.40/298MITSUBISHI-PHMitsubishi Heavy IndustriesASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.48/298PHILSTAR-PH13th Railroad Street Port Area ManilaASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.56/298WTSYSTEMS-PHWorldwide Technology Systems IncASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.64/2664ECCAFE-PHEvo Cyber CafeASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.64/298BONIONE-PHBonifacio Cable OneASSIGNED NON-PORTABLE—abuse@vitrodc.com
via ECCAFE-PH
└ 203.172.31.128/2664INFOCOM-PHINFOCOM Technologies, Inc.ASSIGNED NON-PORTABLE—abuse@vitrodc.com
└ 203.172.31.192/2664PILTEL-PHunknownASSIGNED NON-PORTABLE—abuse@vitrodc.com

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

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

203.172.24.0/21

Routing history

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