1149 SURFNET-AS - SURF B.V., NL
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS20473 AS-VULTR - The Constant Company, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 34604 AS1149 ORIGIN Originate: 1024 /22.00 Transit: 0 /0.00 SURFNET-AS - SURF B.V., NL
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 % 20455 AS1149 SURFNET-AS - SURF B.V., NL 4 2 1 3 1 25.00% Prefix AS Path Aggregation Suggestion 145.100.118.0/24 4608 24115 9498 20473 1149 145.100.119.0/24 4608 7575 3491 20473 1149 145.116.218.0/23 4608 24115 9498 20473 1149 + Announce - aggregate of 145.116.218.0/24 (4608 24115 9498 20473 1149) and 145.116.219.0/24 (4608 24115 9498 20473 1149) 145.116.218.0/24 4608 24115 9498 20473 1149 - Withdrawn - aggregated with 145.116.219.0/24 (4608 24115 9498 20473 1149) 145.116.219.0/24 4608 24115 9498 20473 1149 - Withdrawn - aggregated with 145.116.218.0/24 (4608 24115 9498 20473 1149)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS1149 4 More Specifics 4 Total Advertisements SURFNET-AS - SURF B.V., NL
145.100.118.0/24 145.96.0.0/12
145.100.119.0/24 145.96.0.0/12
145.116.218.0/24 145.116.0.0/15
145.116.219.0/24 145.116.0.0/15
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 145.116.219.0/24 Announced
whois: 402603
IANA has recorded AS1149 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS1149\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 'AS1101 - AS1200'
as-block: AS1101 - AS1200
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: 2018-11-22T15:27:09Z
last-modified: 2018-11-22T15:27:09Z
source: RIPE
% Information related to 'AS1149'
% Abuse contact for 'AS1149' is 'cert@surfcert.nl'
aut-num: AS1149
as-name: SURFNET-AS
descr: Tijdelijk uitgeleend aan UTWENTE voor onderzoek
admin-c: SNS1-RIPE
tech-c: SNS1-RIPE
status: LEGACY
mnt-by: SN-LIR-MNT
created: 2002-08-21T16:06:47Z
last-modified: 2019-09-03T09:22:57Z
source: RIPE
mnt-by: RIPE-NCC-LEGACY-MNT
org: ORG-Sb3-RIPE
organisation: ORG-Sb3-RIPE
org-name: SURF B.V.
country: NL
reg-nr: 50277375
org-type: LIR
address: P.O. Box 19035
address: 3501 DA
address: Utrecht
address: NETHERLANDS
phone: +31887873000
admin-c: HT3384-RIPE
admin-c: MK512-RIPE
admin-c: SNS1-RIPE
admin-c: WB311-RIPE
admin-c: NO17-RIPE
admin-c: RS957-RIPE
admin-c: JO5863-RIPE
admin-c: MM57501-RIPE
abuse-c: SNS1-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: SN-LIR-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SN-LIR-MNT
created: 2004-04-17T11:43:29Z
last-modified: 2026-05-13T07:28:31Z
source: RIPE # Filtered
role: SURF Network Maintainer
address: Kantoren Hoog Overborch (Hoog Catharijne)
address: Moreelsepark 48, 3511 EP Utrecht
address: Postbus 19035, 3501 DA Utrecht
phone: +31 88 7873000
admin-c: WB311-RIPE
tech-c: NO17-RIPE
tech-c: WB311-RIPE
tech-c: MK512-RIPE
tech-c: JO5863-RIPE
tech-c: MM57501-RIPE
tech-c: BW4086-RIPE
tech-c: EV4604-RIPE
nic-hdl: SNS1-RIPE
abuse-mailbox: cert@surfcert.nl
mnt-by: AS1103-MNT
created: 2002-07-09T10:06:06Z
last-modified: 2025-11-05T14:44:07Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (ABERDEEN)