21373 NBB-AS, BE
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS5488 BELGACOM Proximus Customer Edge-Network, BE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 24396 AS21373 ORIGIN Originate: 2048 /21.00 Transit: 0 /0.00 NBB-AS, BE
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 % 21036 AS21373 NBB-AS, BE 6 2 1 5 1 16.67% Prefix AS Path Aggregation Suggestion 193.53.48.0/24 4777 2497 3356 5432 5488 21373 193.53.50.0/24 4777 2497 3356 5432 5488 21373 193.53.54.0/24 4608 7575 3356 5432 5488 21373 193.53.55.0/24 4777 2497 3356 5432 5488 21373 193.53.56.0/22 4777 2497 3356 5432 5488 21373 + Announce - aggregate of 193.53.56.0/23 (4777 2497 3356 5432 5488 21373) and 193.53.58.0/23 (4777 2497 3356 5432 5488 21373) 193.53.56.0/23 4777 2497 3356 5432 5488 21373 - Withdrawn - aggregated with 193.53.58.0/23 (4777 2497 3356 5432 5488 21373) 193.53.58.0/23 4777 2497 3356 5432 5488 21373 - Withdrawn - aggregated with 193.53.56.0/23 (4777 2497 3356 5432 5488 21373)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21373 6 More Specifics 6 Total Advertisements NBB-AS, BE
193.53.48.0/24 193.53.48.0/20
193.53.50.0/24 193.53.48.0/20
193.53.54.0/24 193.53.48.0/20
193.53.55.0/24 193.53.48.0/20
193.53.56.0/23 193.53.48.0/20
193.53.58.0/23 193.53.48.0/20
whois: 402332
IANA has recorded AS21373 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21373\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 'AS21281 - AS21390'
as-block: AS21281 - AS21390
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: 2018-11-22T15:27:28Z
last-modified: 2018-11-22T15:27:28Z
source: RIPE
% Information related to 'AS21373'
% Abuse contact for 'AS21373' is 'info@nbb.be'
aut-num: AS21373
as-name: NBB-AS
import: from AS5488 action pref=100; accept ANY
import: from AS8220 action pref=100; accept ANY
export: to AS5488 announce AS21373
export: to AS8220 announce AS21373
org: ORG-BNDB2-RIPE
admin-c: AD1-BE
tech-c: AD1-BE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
remarks: Multi-Homed AS
created: 2003-01-17T15:02:24Z
last-modified: 2017-09-08T12:54:35Z
source: RIPE
organisation: ORG-BNDB2-RIPE
org-name: Banque Nationale de Belgique
country: BE
org-type: LIR
address: Boulevard de Berlaimont 14
address: 1000
address: Bruxelles
address: BELGIUM
phone: +32 2 221 211 11
reg-nr: 0203.201.340
admin-c: AD1-BE
tech-c: AD1-BE
abuse-c: AR37129-RIPE
mnt-ref: NBB-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: NBB-MNT
created: 2016-07-29T11:41:23Z
last-modified: 2026-04-29T05:36:29Z
source: RIPE # Filtered
role: NbbNetAdmin
admin-c: DO4054-RIPE
address: 14 bld de Berlaimont 1000 Brussels BELGIUM
phone: +3222215291
admin-c: RS5248-BE
admin-c: CD8731-RIPE
admin-c: HF3074-RIPE
admin-c: DO4054-RIPE
admin-c: TG11054-RIPE
tech-c: HF3074-RIPE
tech-c: CD8731-RIPE
tech-c: RS5248-BE
tech-c: DO4054-RIPE
tech-c: TG11054-RIPE
nic-hdl: AD1-BE
abuse-mailbox: nbb-net@nbb.be
mnt-by: NBB-MNT
created: 2016-04-06T10:07:07Z
last-modified: 2023-07-10T09:33:18Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122 (SHETLAND)