AS51409 Sipsynergy Limited 🇬🇧 GB

Announcing 12 prefixes, seen at the RIS collectors.

IPv4 prefixes

3,072 (12 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS51409
Name: Sipsynergy Limited
Organisation: sipsynergy
Country: 🇬🇧 GB
RIR: RIPENCC
Allocated: 2010-08-17
Network type: NSP
Scope: Global
Peering policy: Open
IRR as-set: AS-SIPSYNERGY
Website: http://www.sipsynergy.co.uk
PeeringDB: net/6224
Exchanges: 3
Facilities: 3

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

12 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

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

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 Limited
country:        GB
reg-nr:         07613922
org-type:       LIR
address:        OXFORD HOUSE, BELL BUSINESS PARK, SMEATON CLOSE
address:        HP19 8JR
address:        AYLESBURY
address:        UNITED KINGDOM
phone:          +442033559680
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:  2026-07-20T14:24:05Z
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