Data as of Nov 3, 2026

121.1.52.0/22

No anonymizer space · no proxy exits in 30 days

Smart Broadband, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
121.1.48.0/20
since Apr 2025
AS10139MobileSmart Broadband, Inc.
121.1.0.0/18
since Jul 2006
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
121.1.0.0/1816,384SMARTBRO-PHSmart Broadband, Inc. (ORG-SBI2-AP) · PHALLOCATED PORTABLE—[email protected]
└ 121.1.52.0/304SMARTBRO-PHLas Pinas Cisco ER <> Las Pinas BHASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.4/304SMARTBRO-PHLas Pinas BH E1 Link1 <> Tagaytay BH E1 Link1ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.8/304SMARTBRO-PHLas Pinas BH E1 Link2 <> Tagaytay BH E1 Link2ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.12/304SMARTBRO-PHLas Pinas BH E1 Link3 <> Tagaytay BH E1 Link3ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.16/304SMARTBRO-PHLas Pinas BH E1 Link4 <> Tagaytay BH E1 Link4ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.20/304SMARTBRO-PHLas Pinas BH E1 Link5 <> Tagaytay BH E1 Link5ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.24/304SMARTBRO-PHLas Pinas BH E1 Link6 <> Tagaytay BH E1 Link6ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.28/304SMARTBRO-PHLas Pinas BH E1 Link7 <> Tagaytay BH E1 Link7ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.32/304SMARTBRO-PHLas Pinas BH E1 Link8 <> Tagaytay BH E1 Link8ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.36/304SMARTBRO-PHLas Pinas BH E1 Link9 <> Tagaytay BH E1 Link9ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.40/304SMARTBRO-PHLas Pinas BH E1 Link10 <> Tagaytay BH E1 Link10ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.44/304SMARTBRO-PHLas Pinas BH E1 Link11 <> Tagaytay BH E1 Link11ASSIGNED NON-PORTABLE—[email protected]
└ 121.1.52.48/304SMARTBRO-PHLas Pinas BH E1 Link12 <> Tagaytay BH E1 Link12ASSIGNED NON-PORTABLE—[email protected]

Network & registry

Origin network

AS10139

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