30851 SILEMAN-RUDASL-AS, PL
Adjacency: 10 Upstream: 4 Downstream: 6
Upstream Adjacent AS list
AS15694 ATMAN-ISP-AS ATM S.A., PL
AS29314 VECTRANET-AS Al. Zwyciestwa 253, 81-525 Gdynia, Poland, PL
AS12912 TM, PL
AS12741 AS-NETIA Warszawa 02-822, PL
Downstream Adjacent AS list
AS43929 ASN-AS, PL
AS201451 ARCOMP-AS, PL
AS51769 ELWICO, PL
AS24578 RIP-AS, PL
AS43837 VEGA-AS, PL
AS197187 INTRACOM, PL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2756 AS30851 ORG+TRN Originate: 79360 /15.72 Transit: 6400 /19.36 SILEMAN-RUDASL-AS, 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 % 6538 AS30851 SILEMAN-RUDASL-AS, PL 31 12 5 24 7 22.58% Prefix AS Path Aggregation Suggestion 83.142.168.0/21 4777 2497 174 12741 30851 30851 + Announce - aggregate of 83.142.168.0/22 (4777 2497 174 12741 30851 30851) and 83.142.172.0/22 (4777 2497 174 12741 30851 30851) 83.142.168.0/22 4777 2497 174 12741 30851 30851 - Withdrawn - aggregated with 83.142.172.0/22 (4777 2497 174 12741 30851 30851) 83.142.170.0/24 4777 2497 174 12741 30851 30851 - Withdrawn - matching aggregate 83.142.168.0/22 4777 2497 174 12741 30851 30851 83.142.171.0/24 4777 2516 1299 15694 30851 30851 83.142.172.0/22 4777 2497 174 12741 30851 30851 - Withdrawn - aggregated with 83.142.168.0/22 (4777 2497 174 12741 30851 30851) 83.142.172.0/23 4608 7575 6461 12741 30851 30851 + Announce - aggregate of 83.142.172.0/24 (4608 7575 6461 12741 30851 30851) and 83.142.173.0/24 (4608 7575 6461 12741 30851 30851) 83.142.172.0/24 4608 7575 6461 12741 30851 30851 - Withdrawn - aggregated with 83.142.173.0/24 (4608 7575 6461 12741 30851 30851) 83.142.173.0/24 4608 7575 6461 12741 30851 30851 - Withdrawn - aggregated with 83.142.172.0/24 (4608 7575 6461 12741 30851 30851) 83.142.175.0/24 4777 2497 174 12741 30851 30851 - Withdrawn - matching aggregate 83.142.172.0/22 4777 2497 174 12741 30851 30851 85.11.64.0/18 4777 2497 3320 12912 30851 30851 30851 30851 85.11.88.0/21 4777 2516 1299 15694 30851 30851 85.11.110.0/23 4777 2516 1299 15694 30851 30851 30851 85.11.110.0/23 4777 2516 1299 15694 30851 30851 + Announce - aggregate of 85.11.110.0/24 (4777 2516 1299 15694 30851 30851) and 85.11.111.0/24 (4777 2516 1299 15694 30851 30851) 85.11.110.0/24 4777 2516 1299 15694 30851 30851 - Withdrawn - aggregated with 85.11.111.0/24 (4777 2516 1299 15694 30851 30851) 85.11.111.0/24 4777 2516 1299 15694 30851 30851 - Withdrawn - aggregated with 85.11.110.0/24 (4777 2516 1299 15694 30851 30851) 85.198.192.0/20 4777 2497 3320 12912 30851 30851 30851 30851 85.198.200.0/24 4777 2497 174 12741 30851 30851 85.198.208.0/20 4777 2497 174 15694 30851 30851 30851 85.198.220.0/22 4777 2497 174 12741 30851 30851 85.198.224.0/20 4777 2497 3320 12912 30851 30851 85.198.240.0/20 4777 2516 3320 12912 30851 93.176.192.0/19 4777 2516 3320 12912 30851 30851 30851 30851 30851 93.176.192.0/20 4777 2516 1299 29314 30851 93.176.208.0/20 4777 2516 1299 29314 30851 93.176.224.0/19 4777 2516 1299 15694 30851 30851 93.176.224.0/19 4777 2516 1299 29314 30851 + Announce - aggregate of 93.176.224.0/20 (4777 2516 1299 29314 30851) and 93.176.240.0/20 (4777 2516 1299 29314 30851) 93.176.224.0/20 4777 2516 1299 29314 30851 - Withdrawn - aggregated with 93.176.240.0/20 (4777 2516 1299 29314 30851) 93.176.240.0/20 4777 2516 1299 29314 30851 - Withdrawn - aggregated with 93.176.224.0/20 (4777 2516 1299 29314 30851) 193.24.204.0/22 4777 2497 3320 12912 30851 30851 30851 30851 217.173.160.0/22 4777 2497 3320 12912 30851 30851 30851 30851 217.173.164.0/22 4777 2497 174 12741 30851 30851 217.173.168.0/22 4777 2497 174 12741 30851 30851 217.173.168.0/22 4777 2516 1299 15694 30851 30851 + Announce - aggregate of 217.173.168.0/23 (4777 2516 1299 15694 30851 30851) and 217.173.170.0/23 (4777 2516 1299 15694 30851 30851) 217.173.168.0/23 4777 2516 1299 15694 30851 30851 - Withdrawn - aggregated with 217.173.170.0/23 (4777 2516 1299 15694 30851 30851) 217.173.170.0/23 4777 2516 1299 15694 30851 30851 - Withdrawn - aggregated with 217.173.168.0/23 (4777 2516 1299 15694 30851 30851) 217.173.172.0/22 4777 2497 174 12741 30851 30851
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS30851 29 More Specifics 31 Total Advertisements SILEMAN-RUDASL-AS, PL
83.142.168.0/22 83.142.168.0/21
83.142.170.0/24 83.142.168.0/21
83.142.171.0/24 83.142.168.0/21
83.142.172.0/22 83.142.168.0/21
83.142.172.0/24 83.142.168.0/21
83.142.173.0/24 83.142.168.0/21
83.142.175.0/24 83.142.168.0/21
85.11.88.0/21 85.11.64.0/18
85.11.110.0/23 85.11.64.0/18
85.11.110.0/24 85.11.64.0/18
85.11.111.0/24 85.11.64.0/18
85.198.192.0/20 85.198.192.0/18
85.198.200.0/24 85.198.192.0/18
85.198.208.0/20 85.198.192.0/18
85.198.220.0/22 85.198.192.0/18
85.198.224.0/20 85.198.192.0/18
85.198.240.0/20 85.198.192.0/18
93.176.192.0/19 93.176.192.0/18
93.176.192.0/20 93.176.192.0/18
93.176.208.0/20 93.176.192.0/18
93.176.224.0/19 93.176.192.0/18
93.176.224.0/20 93.176.192.0/18
93.176.240.0/20 93.176.192.0/18
217.173.160.0/22 217.173.160.0/20
217.173.164.0/22 217.173.160.0/20
217.173.168.0/22 217.173.160.0/20
217.173.168.0/23 217.173.160.0/20
217.173.170.0/23 217.173.160.0/20
217.173.172.0/22 217.173.160.0/20
whois: 402332
IANA has recorded AS30851 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS30851\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 'AS30720 - AS30895'
as-block: AS30720 - AS30895
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: 2018-11-22T15:27:33Z
last-modified: 2018-11-22T15:27:33Z
source: RIPE
% Information related to 'AS30851'
% Abuse contact for 'AS30851' is 'abuse@sileman.pl'
aut-num: AS30851
as-name: SILEMAN-RUDASL-AS
org: ORG-SGMI1-RIPE
import: from AS12912 accept ANY
import: from AS15694 accept ANY
import: from AS39176 accept AS39176
import: from AS203227 accept AS203227
import: from AS51931 accept AS51931
import: from AS24578 accept AS24578
import: from AS208556 accept AS208556
import: from AS43837 accept AS43837
import: from AS197187 accept AS197187
import: from AS60189 accept AS60189
import: from AS199965 accept AS199965
import: from AS59990 accept AS59990
import: from AS201451 accept AS201451
import: from AS43929 accept AS43929
export: to AS12912 announce AS-SGMI
export: to AS15694 announce AS-SGMI
export: to AS39176 announce ANY
export: to AS203227 announce ANY
export: to AS24578 announce ANY
export: to AS208556 announce ANY
export: to AS43837 announce ANY
import: from AS197702 accept AS197702
export: to AS197702 announce ANY
export: to AS29314 announce AS30851
import: from AS29314 accept ANY
export: to AS51769 announce ANY
import: from AS51769 accept AS51769
export: to AS12741 announce AS-SGMI
import: from AS12741 accept ANY
admin-c: SILM3-RIPE
tech-c: SILM3-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SGMI-MNT
created: 2003-12-19T12:16:38Z
last-modified: 2026-03-09T10:44:28Z
source: RIPE
organisation: ORG-SGMI1-RIPE
org-name: Sileman Sp. z o.o.
country: PL
org-type: LIR
address: Dabrowskiego 35
address: 41-710
address: RUDA SLASKA
address: POLAND
phone: +48327890854
fax-no: +48327890852
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: SGMI-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SGMI-MNT
admin-c: BL3213-RIPE
admin-c: TZ500-RIPE
admin-c: ERJT1-RIPE
admin-c: MG452-RIPE
admin-c: MD15059-RIPE
admin-c: MP22260-RIPE
abuse-c: SILM3-RIPE
created: 2005-01-28T11:45:49Z
last-modified: 2020-12-16T12:36:55Z
source: RIPE # Filtered
role: Sileman Sp. z o.o. Network Operations
address: ul. Dabrowskiego 35
address: 41-710 Ruda Slaska
address: Poland
remarks: For contact information please visit http://net.sileman.pl/?p=en
abuse-mailbox: abuse@sileman.pl
admin-c: MD15059-RIPE
admin-c: BL3213-RIPE
admin-c: MJ84031-RIPE
admin-c: MK22887-RIPE
admin-c: MM51901-RIPE
tech-c: MG452-RIPE
tech-c: MD15059-RIPE
tech-c: BL3213-RIPE
tech-c: MJ84031-RIPE
tech-c: MK22887-RIPE
tech-c: MM51901-RIPE
mnt-by: SGMI-MNT
nic-hdl: SILM3-RIPE
created: 2014-05-12T08:05:25Z
last-modified: 2025-10-17T04:46:10Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)