
20521 ASN-BELLNET, MT
Adjacency: 7 Upstream: 4 Downstream: 3
Upstream Adjacent AS list
AS33874 VFM-AS Epic Communications Limited, MT
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS19551 INCAPSULA - Incapsula Inc, US
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
Downstream Adjacent AS list
AS201711 MOZZ-MALTA, RS
AS60507 HML2-EUR-AS, GB
AS51166 IXARIS-MT-AS, MT
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4981 AS20521 ORG+TRN Originate: 36608 /16.84 Transit: 2048 /21.00 ASN-BELLNET, MT
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 % 5635 AS20521 ASN-BELLNET, MT 27 10 2 19 8 29.63% Prefix AS Path Aggregation Suggestion 37.114.72.0/21 4777 2497 1299 20521 37.114.72.0/21 4777 2497 3356 20521 + Announce - aggregate of 37.114.72.0/22 (4777 2497 3356 20521) and 37.114.76.0/22 (4777 2497 3356 20521) 37.114.72.0/22 4777 2497 3356 20521 - Withdrawn - aggregated with 37.114.76.0/22 (4777 2497 3356 20521) 37.114.76.0/22 4777 2497 3356 20521 - Withdrawn - aggregated with 37.114.72.0/22 (4777 2497 3356 20521) 37.114.76.0/24 4777 2497 1299 6758 33874 20521 78.110.16.0/20 4777 2497 3356 20521 78.110.16.0/22 4777 2516 1299 20521 78.110.20.0/22 4777 2497 3356 20521 - Withdrawn - matching aggregate 78.110.16.0/20 4777 2497 3356 20521 78.110.22.0/24 4777 2497 3491 19551 20521 78.110.24.0/22 4777 2516 1299 20521 78.110.28.0/22 4777 2497 3356 20521 - Withdrawn - matching aggregate 78.110.16.0/20 4777 2497 3356 20521 80.245.208.0/20 4777 2497 3356 20521 80.245.208.0/22 4777 2497 3356 20521 - Withdrawn - matching aggregate 80.245.208.0/20 4777 2497 3356 20521 80.245.212.0/22 4777 2497 3356 20521 - Withdrawn - matching aggregate 80.245.208.0/20 4777 2497 3356 20521 80.245.216.0/21 4777 2497 3356 20521 - Withdrawn - matching aggregate 80.245.208.0/20 4777 2497 3356 20521 95.131.232.0/21 4777 2497 1299 20521 95.131.232.0/21 4777 2497 3356 20521 + Announce - aggregate of 95.131.232.0/22 (4777 2497 3356 20521) and 95.131.236.0/22 (4777 2497 3356 20521) 95.131.232.0/22 4777 2497 3356 20521 - Withdrawn - aggregated with 95.131.236.0/22 (4777 2497 3356 20521) 95.131.236.0/22 4777 2497 3356 20521 - Withdrawn - aggregated with 95.131.232.0/22 (4777 2497 3356 20521) 185.56.252.0/22 4777 2516 1299 20521 185.56.252.0/23 4777 2497 3356 20521 185.56.254.0/23 4777 2497 1299 20521 185.173.227.0/24 4777 2497 3356 20521 195.38.30.0/24 4777 2497 3356 20521 213.169.151.0/24 4777 2497 3356 20521 217.168.160.0/20 4777 2497 1299 20521 217.168.160.0/21 4777 2497 3356 20521 217.168.168.0/21 4777 2497 1299 20521 - Withdrawn - matching aggregate 217.168.160.0/20 4777 2497 1299 20521 217.168.172.0/23 4777 2497 3356 20521
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS20521 20 More Specifics 27 Total Advertisements ASN-BELLNET, MT
37.114.72.0/22 37.114.72.0/21
37.114.76.0/22 37.114.72.0/21
37.114.76.0/24 37.114.72.0/21
78.110.16.0/22 78.110.16.0/20
78.110.20.0/22 78.110.16.0/20
78.110.22.0/24 78.110.16.0/20
78.110.24.0/22 78.110.16.0/20
78.110.28.0/22 78.110.16.0/20
80.245.208.0/22 80.245.208.0/20
80.245.212.0/22 80.245.208.0/20
80.245.216.0/21 80.245.208.0/20
95.131.232.0/22 95.131.232.0/21
95.131.236.0/22 95.131.232.0/21
185.56.252.0/23 185.56.252.0/22
185.56.254.0/23 185.56.252.0/22
185.173.227.0/24 185.173.224.0/22
213.169.151.0/24 213.169.128.0/19
217.168.160.0/21 217.168.160.0/20
217.168.168.0/21 217.168.160.0/20
217.168.172.0/23 217.168.160.0/20
217.168.168.0/24 217.168.160.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 217.168.168.0/24 Withdrawn
whois: 402332
IANA has recorded AS20521 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS20521\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 'AS20485 - AS20857'
as-block: AS20485 - AS20857
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE
% Information related to 'AS20521'
% Abuse contact for 'AS20521' is 'abuse@bell.net.mt'
aut-num: AS20521
org: ORG-CAT1-RIPE
as-name: ASN-BELLNET
import: from AS15735 accept AS15735
import: from AS33874 accept AS33874
import: from AS1299 accept AS1299
import: from AS3356 accept AS3356
import: from AS14537 accept AS14537
import: from AS43916 accept AS43916
import: from AS47498 accept AS47498
import: from AS47171 accept AS47171
import: from AS50255 accept AS50255
import: from AS57567 accept AS57567
import: from AS56805 accept AS56805
import: from AS57150 accept AS57150
import: from AS201711 accept AS201711
import: from AS44646 accept AS44646
import: from AS51166 accept AS51166
import: from AS60507 accept AS60507
import: from AS43439 accept AS43439
import: from AS204732 accept AS204732
import: from AS43916 accept AS43916
export: to AS44646 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS51166 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS204732 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS50255 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS43439 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS15735 announce AS20521 AS44646 AS14537 AS43916 AS47498 AS47171 AS50255 AS43937 AS57150 AS51166 AS43439
export: to AS33874 announce AS20521 AS44646 AS14537 AS43916 AS47498 AS47171 AS50255 AS43937 AS57150 AS51166 AS43439
export: to AS1299 announce AS20521 AS44646 AS14537 AS43916 AS47498 AS47171 AS50255 AS43937 AS57150 AS51166 AS43439
export: to AS3356 announce AS20521 AS44646 AS14537 AS43916 AS47498 AS47171 AS50255 AS43937 AS57150 AS51166 AS43439
export: to AS43916 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS14537 announce AS20521 AS33874
export: to AS57567 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS56805 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS47171 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS57150 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS201711 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS60507 announce AS20521 AS15735 AS33874 AS1299 AS3356
export: to AS43916 announce AS20521 AS15735 AS33874 AS1299 AS3356
admin-c: GB3197-RIPE
tech-c: GB3197-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
remarks: cf-validation: d4b6e6b6136144069b77ffc5840eaf99
mnt-by: MNT-GB3197-RIPE
mnt-by: MNT-BMIT-MT
created: 2002-09-18T08:34:17Z
last-modified: 2026-02-18T12:10:28Z
source: RIPE # Filtered
organisation: ORG-CAT1-RIPE
org-name: Bellnet Limited
country: MT
org-type: LIR
address: Building SCM02, Level 2, SmartCity Malta, Ricasoli
address: SCM1001
address: Kalkara
address: MALTA
phone: +356 21472592
fax-no: +356 21441878
reg-nr: C 30793
admin-c: GB3197-RIPE
mnt-ref: MNT-BMIT-MT
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-GB3197-RIPE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-BMIT-MT
abuse-c: BAC24-RIPE
created: 2004-04-17T11:39:10Z
last-modified: 2026-04-29T05:22:00Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122 (BUSA)