AS Number
AS57276
AS Name
OPTIMITY
Org Name
Optimity Ltd
Country / Region
United Kingdom
Registry

ripe

RegDate

Updated

2023-08-23T15:27:46Z

AS57276 Looking Glass
IPv4Prefixes

18

IPv6Prefixes

0

IPv4 NUMs

10,240

IPv6 NUMs(/64)

0

10,240 IPv4 Addresses
CIDR Description IP Num
37.157.32.0/22
IRR Parent Valid
OPTIMITY001 1024
37.157.32.0/21
IRR Valid
Optimity Ltd 2048
37.157.36.0/22
IRR Parent Valid
OPTIMITY114 1024
82.163.112.0/22
IRR Parent Valid
Optimity Ltd 1024
82.163.112.0/21
IRR Valid
Optimity Ltd 2048
82.163.116.0/22
IRR Parent Valid
Optimity Ltd 1024
82.163.124.0/23
IRR Parent Valid
Optimity Ltd 512
82.163.124.0/22
IRR Valid
Optimity Ltd 1024
82.163.126.0/23
IRR Parent Valid
Optimity Ltd 512
185.53.224.0/23
IRR Parent Valid
OPTIMITY-006 512
185.53.224.0/22
IRR Valid
Optimity Ltd 1024
185.53.226.0/23
IRR Parent Valid
UK-OPTIMITY-20120314 512
195.250.16.0/24
IRR Parent Valid
Optimity Ltd 256
195.250.16.0/22
IRR Valid
Optimity Ltd 1024
195.250.16.0/20
IRR InValid
Optimity Ltd 4096
195.250.17.0/24
IRR Parent Valid
Optimity Ltd 256
195.250.18.0/24
IRR Parent Valid
Optimity Ltd 256
195.250.19.0/24
IRR Parent Valid
Optimity Ltd 256
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,397,120 237,909,114,880 IPv4 IPv4
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,704,704 43,409,670,144 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
United Kingdom LINX LON1 - London Internet Exchange Ltd. 10 Gbps 2023-12-14 22:20:54

Private Peering Facilities

Country / Region Name City Website Updated
Equinix LD8 - London, Docklands London http://www.equinix.com/locations/ 2019-07-04 08:03:26
Volta London http://www.voltadatacentres.com/ 2019-07-04 08:02:27
IP Address Domain NUMs Domains
37.157.32.30 7 competition.holition.com
37.157.32.205 3 mailhost.tmmp.co.uk
37.157.33.178 2 lpctx1.estateoffice.com
37.157.33.182 1 ctxgateway.estateoffice.com
37.157.34.67 1 numbersix.lucidica.net
37.157.34.72 1 kobol.lucidica.net
37.157.34.80 3 talkietoaster.net
37.157.34.81 1 sharepoint.accelerator-london.com
37.157.35.22 1 mail.dcdtraining.com
37.157.35.246 1 gig.uk.com
as-block:       AS57148 - AS58367
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:        2023-08-23T15:27:46Z
last-modified:  2023-08-23T15:27:46Z
source:         RIPE



aut-num:        AS57276
as-name:        OPTIMITY
org:            ORG-OL92-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS-OPTIMITY
import:         from AS3257 accept ANY
export:         to AS3257 announce AS-OPTIMITY
import:         from AS43531 accept ANY
export:         to AS43531 announce AS-OPTIMITY
mp-import:      afi ipv6.unicast from AS174 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS174 announce AS-OPTIMITY
mp-import:      afi ipv6.unicast from AS3257 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS3257 announce AS-OPTIMITY
mp-import:      afi ipv6.unicast from AS43531 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS43531 announce AS-OPTIMITY
admin-c:        OS5274-RIPE
tech-c:         OS5274-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OPTIMITY-MNT
created:        2018-06-08T10:54:20Z
last-modified:  2019-03-25T18:32:55Z
source:         RIPE

organisation:   ORG-OL92-RIPE
org-name:       Optimity Ltd
country:        GB
org-type:       LIR
address:        4a Byron House, Lansdowne Court
address:        SN14 6RZ
address:        Chippenham
address:        UNITED KINGDOM
phone:          +442077491000
fax-no:         +442077491001
e-mail:         support@optimity.co.uk
abuse-c:        AR17832-RIPE
admin-c:        OS5274-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        OPTIMITY-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         OPTIMITY-MNT
created:        2012-02-20T11:44:12Z
last-modified:  2024-03-19T11:13:05Z
source:         RIPE

person:         Optimity Support
e-mail:         noc@optimity.co.uk
address:        Zetland House, 5-25 Scrutton St, London EC2A 4HJ
phone:          +44 207 749 1000
nic-hdl:        OS5274-RIPE
mnt-by:         OPTIMITY-MNT
created:        2018-06-07T17:54:32Z
last-modified:  2019-07-03T15:59:32Z
source:         RIPE