LAYER3 INTEL
Get started
TripwireIntel APIIP IntelPricingBlogDocsContactSign in
Data as of Nov 3, 2026

5.53.178.0/24

No anonymizer space · no proxy exits in 30 days

A1 Bulgaria EAD

Announcement
this exact prefix
RPKI valid
Announced by
AS13124
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
5.53.128.0/17
since Feb 2022
AS8717Residential2,010
19 always on
A1 Bulgaria EAD

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
5.53.128.0/1732,768BG-MTELNET-20120529A1 Bulgaria EAD (ORG-MN1-RIPE) · BGALLOCATED PAMay 29, 2012[email protected]
└ 5.53.176.0/212,048A1-5-176-183A1 Bulgaria EADASSIGNED PAJun 29, 2012[email protected]
via BG-MTELNET-20120529

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
Registry

Holder

Organization
A1 Bulgaria EAD
Handle
ORG-MN1-RIPE
Range
5.53.128.0/17
Registration type
ALLOCATED PA
Record created
May 29, 2012
Origin network

AS13124

BG
Name
A1 Bulgaria EAD
Type
Internet provider
Registered
Mar 24, 2000
Domain
a1.bg
Website
www.a1.bg
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed