201977 MZDII, PL
Adjacency: 2 Upstream: 1 Downstream: 1
Upstream Adjacent AS list
AS15744 SILWEB-AS-COM SILWEB Autonomous System - Commercial, PL
Downstream Adjacent AS list
AS58035 UM-ZABRZE-AS, PL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 39659 AS201977 ORG+TRN Originate: 1024 /22.00 Transit: 256 /24.00 MZDII, 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 % 26601 AS201977 MZDII, PL 2 2 1 1 1 50.00% Prefix AS Path Aggregation Suggestion 185.58.48.0/22 4777 2516 1299 13293 15744 201977 + Announce - aggregate of 185.58.48.0/23 (4777 2516 1299 13293 15744 201977) and 185.58.50.0/23 (4777 2516 1299 13293 15744 201977) 185.58.48.0/23 4777 2516 1299 13293 15744 201977 - Withdrawn - aggregated with 185.58.50.0/23 (4777 2516 1299 13293 15744 201977) 185.58.50.0/23 4777 2516 1299 13293 15744 201977 - Withdrawn - aggregated with 185.58.48.0/23 (4777 2516 1299 13293 15744 201977)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS201977 2 More Specifics 2 Total Advertisements MZDII, PL
185.58.48.0/23 185.58.48.0/22
185.58.50.0/23 185.58.48.0/22
whois: 402332
IANA has recorded AS201977 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS201977\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 'AS200537 - AS203022'
as-block: AS200537 - AS203022
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: 2026-04-08T13:28:00Z
last-modified: 2026-04-08T13:28:00Z
source: RIPE
% Information related to 'AS201977'
% Abuse contact for 'AS201977' is 'abuse@zari.com.pl'
aut-num: AS201977
as-name: MZDII
org: ORG-MZDI2-RIPE
import: from AS15744 action pref=100; accept ANY
export: to AS15744 announce AS201977
admin-c: MZDI1-RIPE
tech-c: MZDI1-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MZDII-MNT
created: 2014-05-14T12:46:49Z
last-modified: 2017-11-15T12:30:45Z
source: RIPE
organisation: ORG-MZDI2-RIPE
org-name: Miasto Zabrze
country: PL
org-type: LIR
address: Powstancow Slaskich 5-7
address: 41-800
address: Zabrze
address: POLAND
phone: +48885855565
fax-no: +48322776801
reg-nr: Not Applicable
admin-c: KP3167-RIPE
abuse-c: AR20969-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MZDII-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MZDII-MNT
created: 2014-04-11T10:07:45Z
last-modified: 2026-04-29T05:19:30Z
source: RIPE # Filtered
role: Zabrzanska Agencja Realizacji Inwestycji Sp. z o.o.
address: Zabrzanska Agencja Realizacji Inwestycji Sp. z o.o.
address: ul. Piastowska 11
address: 41-803 Zabrze
address: Poland
admin-c: AN32037-RIPE
admin-c: SH15949-RIPE
tech-c: AN32037-RIPE
tech-c: SH15949-RIPE
nic-hdl: MZDI1-RIPE
abuse-mailbox: zari@zari.com.pl
mnt-by: PL-CKPOLSL-MNT
created: 2014-01-08T11:05:59Z
last-modified: 2022-10-25T19:22:50Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122 (BUSA)