1149 SURFNET-AS Tijdelijk uitgeleend aan UTWENTE voor onderzoek, NL
Adjacency: 4 Upstream: 3 Downstream: 1
Upstream Adjacent AS list
AS131971 JPNIC-LAB Japan Network Information Center, JP
AS56630 MELBICOM-EU-AS Melbikomas UAB, LT
AS20473 AS-VULTR - The Constant Company, LLC, US
Downstream Adjacent AS list
AS131971 JPNIC-LAB Japan Network Information Center, JP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 34538 AS1149 ORG+TRN Originate: 1024 /22.00 Transit: 256 /24.00 SURFNET-AS Tijdelijk uitgeleend aan UTWENTE voor onderzoek, 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 % 30028 AS1149 SURFNET-AS Tijdelijk uitgeleend aan UTWENTE v 4 0 0 4 0 0.00% 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 145.116.218.0/24 4608 24115 9498 20473 1149 145.116.219.0/24 4777 2497 3216 56630 1149 131971 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 Tijdelijk uitgeleend aan UTWENTE voor onderzoek, 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
145.116.218.0/23 145.116.0.0/15
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 145.116.218.0/23 Withdrawn
whois: 402332
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
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: 2023-02-21T13:35:38Z
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 1.121.2 (ABERDEEN)