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Data as of Nov 7, 2026

121.54.64.0/21

No anonymizer space · no proxy exits in 30 days

Smart Broadband, Inc.

Announcement
121.54.64.0/20
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.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
121.54.0.0/1732,768SMARTBRO-PHSmart Broadband, Inc. (ORG-SBI2-AP) · PHALLOCATED PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.54.66.128/298Aboitiz-One-Inc-BacolodAboitiz One Inc BacolodASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.54.69.128/298Camiguin-Tel-CoopCamiguin Tel CoopASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.54.69.136/298Sam-Lim-CorpSam Lim CorpASSIGNED 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

2,048 addresses
TypeAddressesShareRanges
Mobile2,02499%3
Business241.2%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 121.54.64.0/20

Prefix
121.54.64.0/20
Announced by
AS10139 Smart Broadband, Inc.
Type
Mobile
RPKI
RPKI valid
Netname
SMARTBRO-PH
Registrant
Smart Broadband, Inc.
RIR
APNIC
Origin network

AS10139

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