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Data as of Nov 4, 2026

121.1.48.0/21

No anonymizer space · no proxy exits in 30 days

Smart Broadband, Inc.

Announcement
121.1.48.0/20
RPKI valid
Announced by
AS10139
Type
Mobile
>99% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
121.1.0.0/18
since Jul 2006
AS10139MobileSmart Broadband, Inc.
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
121.1.52.0/22
since Mar 2021
AS10139MobileSmart Broadband, Inc.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
121.1.0.0/1816,384SMARTBRO-PHSmart Broadband, Inc. (ORG-SBI2-AP) · PHALLOCATED PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.48.240/2816I-Connect-PhilsI Connect PhilsASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.0/304SMARTBRO-PHLas Pinas Cisco ER <> Las Pinas BHASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.4/304SMARTBRO-PHLas Pinas BH E1 Link1 <> Tagaytay BH E1 Link1ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.8/304SMARTBRO-PHLas Pinas BH E1 Link2 <> Tagaytay BH E1 Link2ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.12/304SMARTBRO-PHLas Pinas BH E1 Link3 <> Tagaytay BH E1 Link3ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.16/304SMARTBRO-PHLas Pinas BH E1 Link4 <> Tagaytay BH E1 Link4ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.20/304SMARTBRO-PHLas Pinas BH E1 Link5 <> Tagaytay BH E1 Link5ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.24/304SMARTBRO-PHLas Pinas BH E1 Link6 <> Tagaytay BH E1 Link6ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.28/304SMARTBRO-PHLas Pinas BH E1 Link7 <> Tagaytay BH E1 Link7ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.32/304SMARTBRO-PHLas Pinas BH E1 Link8 <> Tagaytay BH E1 Link8ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.36/304SMARTBRO-PHLas Pinas BH E1 Link9 <> Tagaytay BH E1 Link9ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.40/304SMARTBRO-PHLas Pinas BH E1 Link10 <> Tagaytay BH E1 Link10ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.44/304SMARTBRO-PHLas Pinas BH E1 Link11 <> Tagaytay BH E1 Link11ASSIGNED NON-PORTABLE—allsmarttscipbb@smart.com.ph
└ 121.1.52.48/304SMARTBRO-PHLas Pinas BH E1 Link12 <> Tagaytay BH E1 Link12ASSIGNED 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
Mobile2,032>99%3
Business160.78%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 121.1.48.0/20

Prefix
121.1.48.0/20
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