51409 SIPSYNERGY, GB
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS7575 AARNET-AS-AP Australian Academic and Research Network AARNet, AU
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
AS2914 NTT-DATA-2914 - NTT America, Inc., US
AS174 COGENT-174 - Cogent Communications, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 19939 AS51409 ORIGIN Originate: 3072 /20.42 Transit: 0 /0.00 SIPSYNERGY, GB
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 % 10257 AS51409 SIPSYNERGY, GB 12 8 4 8 4 33.33% Prefix AS Path Aggregation Suggestion 178.255.56.0/23 4608 7575 51409 + Announce - aggregate of 178.255.56.0/24 (4608 7575 51409) and 178.255.57.0/24 (4608 7575 51409) 178.255.56.0/24 4608 7575 51409 - Withdrawn - aggregated with 178.255.57.0/24 (4608 7575 51409) 178.255.57.0/24 4608 7575 51409 - Withdrawn - aggregated with 178.255.56.0/24 (4608 7575 51409) 178.255.58.0/24 4777 13335 51409 178.255.59.0/24 4608 7575 51409 178.255.60.0/23 4608 7575 51409 + Announce - aggregate of 178.255.60.0/24 (4608 7575 51409) and 178.255.61.0/24 (4608 7575 51409) 178.255.60.0/24 4608 7575 51409 - Withdrawn - aggregated with 178.255.61.0/24 (4608 7575 51409) 178.255.61.0/24 4608 7575 51409 - Withdrawn - aggregated with 178.255.60.0/24 (4608 7575 51409) 178.255.62.0/23 4777 13335 51409 + Announce - aggregate of 178.255.62.0/24 (4777 13335 51409) and 178.255.63.0/24 (4777 13335 51409) 178.255.62.0/24 4777 13335 51409 - Withdrawn - aggregated with 178.255.63.0/24 (4777 13335 51409) 178.255.63.0/24 4777 13335 51409 - Withdrawn - aggregated with 178.255.62.0/24 (4777 13335 51409) 185.41.224.0/24 4608 7575 51409 185.41.225.0/24 4777 13335 51409 185.41.226.0/23 4608 7575 51409 + Announce - aggregate of 185.41.226.0/24 (4608 7575 51409) and 185.41.227.0/24 (4608 7575 51409) 185.41.226.0/24 4608 7575 51409 - Withdrawn - aggregated with 185.41.227.0/24 (4608 7575 51409) 185.41.227.0/24 4608 7575 51409 - Withdrawn - aggregated with 185.41.226.0/24 (4608 7575 51409)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS51409 12 More Specifics 12 Total Advertisements SIPSYNERGY, GB
178.255.56.0/24 178.255.56.0/21
178.255.57.0/24 178.255.56.0/21
178.255.58.0/24 178.255.56.0/21
178.255.59.0/24 178.255.56.0/21
178.255.60.0/24 178.255.56.0/21
178.255.61.0/24 178.255.56.0/21
178.255.62.0/24 178.255.56.0/21
178.255.63.0/24 178.255.56.0/21
185.41.224.0/24 185.41.224.0/22
185.41.225.0/24 185.41.224.0/22
185.41.226.0/24 185.41.224.0/22
185.41.227.0/24 185.41.224.0/22
whois: 402332
IANA has recorded AS51409 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51409\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 'AS51357 - AS51817'
as-block: AS51357 - AS51817
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: 2025-02-13T13:57:44Z
last-modified: 2025-02-13T13:57:44Z
source: RIPE
% Information related to 'AS51409'
% Abuse contact for 'AS51409' is 'noc@sipsynergy.co.uk'
aut-num: AS51409
as-name: SIPSYNERGY
org: ORG-SL834-RIPE
remarks: *** Telehouse DC
remarks: ***Transit
export: to AS174 announce AS-SIPSYNERGY
import: from AS174 accept ANY
export: to AS2914 announce AS-SIPSYNERGY
import: from AS2914 accept ANY
remarks: ***LONAP Peers
export: to AS39545 announce AS-SIPSYNERGY
import: from AS39545 accept AS-FLUIDATA
export: to AS20940 announce AS-SIPSYNERGY
import: from AS20940 accept AS-AKAMAI
export: to AS2818 announce AS-SIPSYNERGY
import: from AS2818 accept AS-BBC
export: to AS6939 announce AS-SIPSYNERGY
import: from AS6939 accept AS-HURRICANE
export: to AS8468 announce AS-SIPSYNERGY
import: from AS8468 accept AS-ENTANET
export: to AS31655 announce AS-SIPSYNERGY
import: from AS31655 accept AS-GAMMATELECOM
export: to AS56478 announce AS-SIPSYNERGY
import: from AS56478 accept AS-ANY
export: to AS36692 announce AS-SIPSYNERGY
import: from AS36692 accept AS-OPENDNS
export: to AS29017 announce AS-SIPSYNERGY
import: from AS29017 accept AS-GYRON
export: to AS25577 announce AS-SIPSYNERGY
import: from AS25577 accept AS-C4L
export: to AS2906 announce AS-SIPSYNERGY
import: from AS2906 accept AS-NFLX
export: to AS8075 announce AS-SIPSYNERGY
import: from AS8075 accept AS-MICROSOFT
export: to AS714 announce AS-SIPSYNERGY
import: from AS714 accept AS-APPLE
export: to AS46489 announce AS-SIPSYNERGY
import: from AS46489 accept AS-TWITCH
export: to AS51043 announce AS-SIPSYNERGY
import: from AS51043 accept AS-ASPIRE
export: to AS5607 announce AS-SIPSYNERGY
import: from AS5607 accept AS-BSKYB-BROADBAND
export: to AS10310 announce AS-SIPSYNERGY
import: from AS10310 accept AS-YAHOO
remarks: ***LINX Peers
export: to AS5466 announce AS-SIPSYNERGY
import: from AS5466 accept AS-EIRCOM
export: to AS10310 announce AS-SIPSYNERGY
import: from AS10310 accept AS-YAHOO
export: to AS13285 announce AS-SIPSYNERGY
import: from AS13285 accept AS-TALKTALK
export: to AS20940 announce AS-SIPSYNERGY
import: from AS20940 accept AS-AKAMAI
export: to AS31084 announce AS-SIPSYNERGY
import: from AS31084 accept ANY
export: to AS39545 announce AS-SIPSYNERGY
import: from AS39545 accept AS-FLUIDATA
export: to AS13445 announce AS-SIPSYNERGY
import: from AS13445 accept AS-WEBEX
export: to AS16509 announce AS-SIPSYNERGY
import: from AS16509 accept AS-AMAZON
export: to AS13786 announce AS-SIPSYNERGY
import: from AS13786 accept AS-SEABORN
export: to AS714 announce AS-SIPSYNERGY
import: from AS714 accept AS-APPLE
export: to AS51043 announce AS-SIPSYNERGY
import: from AS51043 accept AS-ASPIRE
export: to AS8365 announce AS-SIPSYNERGY
import: from AS8365 accept AS-MANDA
export: to AS39533 announce AS-SIPSYNERGY
import: from AS39533 accept AS39533:AS-ALL
export: to AS19679 announce AS-SIPSYNERGY
import: from AS19679 accept AS-DROPBOX
remarks: *** Dublin DC
remarks: ***Transit
export: to AS6939 announce AS-SIPSYNERGY
import: from AS6939 accept ANY
remarks: ***INEX Peering
export: to AS16509 announce AS-SIPSYNERGY
import: from AS16509 accept AS-AMAZON
export: to AS20940 announce AS-SIPSYNERGY
import: from AS20940 accept AS-AKAMAI
export: to AS31084 announce AS-SIPSYNERGY
import: from AS31084 accept ANY
export: to AS714 announce AS-SIPSYNERGY
import: from AS714 accept AS-APPLE
admin-c: SN8001-RIPE
tech-c: SN8001-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: mnt-uk-sipsynergy-1
created: 2010-08-17T10:14:36Z
last-modified: 2020-09-03T09:33:37Z
source: RIPE
organisation: ORG-SL834-RIPE
org-name: sipsynergy Ltd
country: GB
org-type: LIR
address: Sipsynergy Spaces, 4500 Parkway
address: PO15 7AZ
address: Fareham
address: UNITED KINGDOM
phone: +442033559680
reg-nr: 07613922
admin-c: SN8001-RIPE
tech-c: SN8001-RIPE
abuse-c: ACRO26978-RIPE
mnt-ref: mnt-uk-sipsynergy-1
mnt-by: RIPE-NCC-HM-MNT
mnt-by: mnt-uk-sipsynergy-1
created: 2019-03-14T15:18:22Z
last-modified: 2026-04-29T05:39:11Z
source: RIPE # Filtered
role: Sipsynergy NOC
address: 17 East Links Tollgate, Chandlers Ford
admin-c: KB7561-RIPE
admin-c: JK14560-RIPE
tech-c: KB7561-RIPE
tech-c: JK14560-RIPE
abuse-mailbox: noc@sipsynergy.co.uk
nic-hdl: SN8001-RIPE
mnt-by: SIPSYNERGY-MNT
mnt-by: mnt-uk-sipsynergy-1
created: 2019-10-17T09:54:38Z
last-modified: 2022-07-06T14:18:10Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122 (DEXTER)