Data as of Nov 10, 2026

87.97.158.0/23

No anonymizer space · no proxy exits in 30 days

A1 Bulgaria EAD

Announcement

87.97.144.0/20

RPKI valid

Announced by

AS13124

Type

Residential

Risk

0 / 100 · Low

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
87.97.128.0/17 since Feb 2022	AS8717	Residential	1,899 42 always on	A1 Bulgaria EAD

Registrations in this block

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
87.97.128.0/17	32,768	BG-MTELNET-20050808	A1 Bulgaria EAD (ORG-MN1-RIPE) · BG	ALLOCATED PA	Aug 8, 2005	RIPE.Abuse@a1.bg
└ 87.97.158.0/23	512	A1-DOBRICH-LAN2	A1 Bulgaria EAD	ASSIGNED PA	Apr 21, 2012	RIPE.Abuse@a1.bg via BG-MTELNET-20050808

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

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

87.97.144.0/20

Routing history

Pattern: Stable
First seen: Mar 2012
Current origin since: Jul 2013 · 13 yr
Origin networks: 2
Last change of origin: Jul 2013

Recorded history

History

Handoffs: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
87.97.144.0/20	AS13124	/20	RIPE	RPKI valid
87.97.128.0/17	AS8717	/17	RIPE	Another network

IRR

Route objects on 87.97.144.0/20

Origin	Registry	Description	Maintainer	Modified
AS13124	RIPE	A1 BG Net	AS13124-MNT MNT-ORBINET-NOC	Dec 14, 2022