43153 SFERANET-AS - SferaNET Sp. z o.o., PL
Adjacency: 4 Upstream: 3 Downstream: 1
Upstream Adjacent AS list
AS20804 ASN-TELENERGO - Exatel S.A., PL
AS12912 TMPL - T-Mobile Polska S.A., PL
AS29535 MIX2_OpenPeering - Orange Polska Spolka Akcyjna, PL
Downstream Adjacent AS list
AS199810 UMBB-INET - Miasto Bielsko-Biala, PL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 18634 AS43153 ORG+TRN Originate: 3584 /20.19 Transit: 1024 /22.00 SFERANET-AS - SferaNET Sp. z o.o., PL
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 22606 AS43153 SFERANET-AS - SferaNET Sp. z o.o., PL 6 2 1 5 1 16.67% Prefix AS Path Aggregation Suggestion 85.219.208.0/23 4608 7575 2914 20804 43153 91.192.196.0/22 4777 6939 29535 43153 91.215.32.0/22 4777 6939 29535 43153 193.200.82.0/23 4777 2497 3320 12912 43153 195.136.160.0/23 4608 7575 2914 20804 43153 + Announce - aggregate of 195.136.160.0/24 (4608 7575 2914 20804 43153) and 195.136.161.0/24 (4608 7575 2914 20804 43153) 195.136.160.0/24 4608 7575 2914 20804 43153 - Withdrawn - aggregated with 195.136.161.0/24 (4608 7575 2914 20804 43153) 195.136.161.0/24 4608 7575 2914 20804 43153 - Withdrawn - aggregated with 195.136.160.0/24 (4608 7575 2914 20804 43153)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS43153 3 More Specifics 6 Total Advertisements SFERANET-AS - SferaNET Sp. z o.o., PL
85.219.208.0/23 85.219.128.0/17
195.136.160.0/24 195.136.0.0/16
195.136.161.0/24 195.136.0.0/16
whois: 402591
IANA has recorded AS43153 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS43153\n % This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
% Information related to 'AS43075 - AS44168'
as-block: AS43075 - AS44168
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2023-12-11T15:09:58Z
last-modified: 2023-12-11T15:09:58Z
source: RIPE
% Information related to 'AS43153'
% Abuse contact for 'AS43153' is 'abuse@sferanet.pl'
aut-num: AS43153
as-name: SFERANET-AS
org: ORG-FTS13-RIPE
import: from AS20804 accept ANY
export: to AS20804 announce AS43153
import: from AS8938 accept ANY
export: to AS8938 announce AS43153
import: from AS8246 accept ANY
export: to AS8246 announce AS43153
import: from AS12741 accept ANY
export: to AS12741 announce AS43153
import: from AS59460 accept ANY
export: to AS59460 announce AS43153
export: to AS5588 announce AS43153
import: from AS5588 accept ANY
import: from AS61056 accept ANY
export: to AS61056 announce AS43153
admin-c: AP26977-RIPE
tech-c: AP26977-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: pl-fibretech-1-mnt
created: 2007-06-14T15:30:43Z
last-modified: 2025-08-13T10:38:19Z
source: RIPE # Filtered
organisation: ORG-FTS13-RIPE
org-name: SferaNET Sp. z o.o.
country: PL
reg-nr: 525148650
org-type: LIR
address: ul. Krakowska 343A
address: 43-300
address: Bielsko-Bia?a
address: POLAND
phone: +48 33 476 25 25
admin-c: AP26977-RIPE
tech-c: AP26977-RIPE
abuse-c: AR39194-RIPE
mnt-ref: pl-fibretech-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: pl-fibretech-1-mnt
created: 2017-02-07T09:17:26Z
last-modified: 2026-05-13T07:22:39Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Access from your host has been temporarily denied.
% For more information, see
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% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)