Data as of Nov 10, 2026

87.97.136.0/21

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

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 the announcement: those covering it, widest first, then every record inside it, 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
└ 87.97.128.0/20	4,096	A1BG-DOBRICH-LAN	A1 Bulgaria EAD	ASSIGNED PA	Oct 11, 2011	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

Summary

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
87.97.136.0/21	AS13124	/21	RIPE	RPKI valid
87.97.128.0/17	AS8717	/17	RIPE	Another network

IRR

Route objects on the exact prefix

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