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Data as of Nov 7, 2026

121.54.32.0/20

No anonymizer space · no proxy exits in 30 days

Smart Broadband, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS10139
Type
Mobile
>99% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
121.54.0.0/17
since Nov 2006
AS10139MobileSmart Broadband, Inc.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
121.54.32.0/21
since Aug 2010
AS10139MobileSmart Broadband, Inc.
121.54.40.0/21
since Aug 2010
AS10139MobileSmart Broadband, Inc.
121.54.40.0/22
since Apr 2025
AS10139MobileSmart Broadband, Inc.

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
121.54.0.0/1732,768SMARTBRO-PHSmart Broadband, Inc. (ORG-SBI2-AP) · PHALLOCATED PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.54.32.104/298PLDTPhilippine Long Distance Tel Co.ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.54.32.252/304PLDTPhilippine Long Distance Tel Co.ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Mobile4,084>99%5
Business120.29%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS10139

PH
Name
Smart Broadband, Inc.
Type
Internet provider
Registered
Nov 21, 2006
Domain
smart.com.ph
Spamhaus ASN-DROP
not listed