Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS20911

Announcement observedRIPE NCC

Net-Surf.net Ltd. · NETSURF-AS-BG

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/22/2026, 05:09:02Snapshot expired

View network topology RDAP registration

ASN: AS20911
Registration country: Bulgaria
Name: Net-Surf.net Ltd.
Abbreviation: NETSURF-AS-BG
Registration date: 2/4/2002, 13:38:19
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
178.254.192.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.193.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.194.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.194.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.195.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.196.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.196.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.197.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.198.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.198.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.199.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.200.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.200.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.201.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.202.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.203.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.204.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.204.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.205.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.206.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.207.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.208.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.208.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.209.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.210.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.211.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.212.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.212.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.213.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.214.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.215.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.216.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.216.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.217.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.218.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.219.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.220.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.221.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.222.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.223.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.224.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.224.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.225.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.226.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.227.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.228.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.228.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.229.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.230.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record
178.254.231.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/17/2026, 00:00:00	10/22/2026, 00:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Net-Surf.net Ltd.
RIR: RIPE NCC
Registration country: Bulgaria
Registration date: 2/4/2002, 13:38:19
Abuse contact: abuse@net-surf.net

Snapshot trend

10/22/2026, 05:09:02177 v40 v615 Upstream · 12 Uncertain

10/22/2026, 05:09:00177 v40 v622 Upstream · 25 Uncertain

10/10/2026, 14:53:08177 v40 v620 Upstream · 25 Uncertain

10/1/2026, 06:15:36177 v40 v622 Upstream · 23 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn