AS Name
Org Name
Bytemark Limited
Registry Region
United Kingdom






IPv6 NUMs(/64)


54,272 IPv4 Addresses
CIDR Description IP Num SWORDFISH-SERVICES 2048 BYTEMARK-YORK1 2048 Bytemark Limited 16384 Bytemark Limited 4096 Bytemark Limited 8192 Bytemark Limited 256 Bytemark Limited 1024 Bytemark Limited 1024 GLADSERV-YORK-00 512 Torchbox Ltd 512 eUKhost LTD 512 eUKhost LTD 512 Imaginet Ltd 256 Bytemark Limited 8192 Bytemark Limited 8192 eUKhost LTD 256 eUKhost LTD 256
CIDR Description IP NUMs(prefix /64)
2001:41c8::/32 Bytemark Limited 4294967296
2001:41c8::/29 Bytemark Limited 34359738368
2001:41c9::/32 Bytemark Limited 4294967296
2a0f:23c7::/32 Webhosting UK com LTD 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,576,832 310,095,085,568 IPv4 IPv4
AS2914 NTT-COMMUNICATIONS-2914 - NTT America, Inc., US United States 6,968,064 21,743,796,736 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 518,656 286,144,143,556,608 IPv4 IPv4
AS20860 IOMART-AS - IOMART CLOUD SERVICES LIMITED, GB United Kingdom 412,160 86,205,661,184 IPv4 IPv4 IPv6 IPv6
AS21320 GEANT_IAS_VRF - GEANT Vereniging, GB United Kingdom 2,048 4,295,032,832 IPv4 IPv4
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS39674 SOLUTIOS - Yorkshire Tech Limited, GB United Kingdom 8,960 0 IPv4 IPv4
AS41495 FAELIX - Faelix Limited, GB United Kingdom 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS205265 KADFIRE-SEC - Kadfire Limited, GB United Kingdom 256 131,072 IPv4 IPv4 IPv6 IPv6
AS199957 NATHAN-NET - Nathan Lasseter, GB United Kingdom 0 65,536 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United Kingdom IX Leeds - Leeds Internet Exchange 2001:7f8:67::8a61:1 10 Gbps 2016-05-12 12:30:37

Private Peering Facilities

Country/Region Name City Website Updated
Equinix MA1 - Manchester, Williams/Kilburn Manchester 2016-03-14 20:54:43
aql Salem Church Leeds 2016-03-14 21:20:58
Bytemark YO26 DC1 York 2016-03-14 21:08:57
Teledata Manchester - Delta House Manchester 2017-10-02 17:14:51
IP Address Domain NUMs Domains 3 1 1 6 1 1 1 3 2 2
as-block:       AS33792 - AS35839
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:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE

aut-num:        AS35425
as-name:        BYTEMARK-AS
remarks:        Bytemark now sits behind iomart AS20860.
remarks:        New peering requests should be directed to iomart.
remarks:        * Full Transits
import:         from AS20860 action pref=100; accept ANY
export:         to AS20860 announce AS-BYTEMARK
remarks:        * Peers
import:         from AS786 action pref=100; accept AS-JANETPLUS
export:         to AS786 announce AS-BYTEMARK
import:         from AS20940 action pref=100; accept AS-AKAMAI
export:         to AS20940 announce AS-BYTEMARK
import:         from AS25178 action pref=100; accept AS-KEYCOM
export:         to AS25178 announce AS-BYTEMARK
import:         from AS30740 action pref=100; accept AS-EXA
export:         to AS30740 announce AS-BYTEMARK
import:         from AS33920 action pref=100; accept AS-AQNET
export:         to AS33920 announce AS-BYTEMARK
import:         from AS41230 action pref=100; accept AS-ASK4
export:         to AS41230 announce AS-BYTEMARK
import:         from AS42579 action pref=100; accept AS-SARGASSO-UK
export:         to AS42579 announce AS-BYTEMARK
import:         from AS42689 action pref=100; accept AS-INUK
export:         to AS42689 announce AS-BYTEMARK
import:         from AS42973 action pref=100; accept AS-METRONETUK
export:         to AS42973 announce AS-BYTEMARK
remarks:        * Customers
export:         to AS41495 announce ANY
import:         from AS41495 action pref=500; accept AS-FAELIX
export:         to AS205265 announce ANY
import:         from AS205265 action pref=500; accept AS205265
export:         to AS39674 announce ANY
import:         from AS39674 action pref=500; accept AS-SOLUTIOS
org:            ORG-BCCL1-RIPE
admin-c:        BYT2-RIPE
tech-c:         BYT2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-BYTEMARK
created:        2005-08-04T14:25:45Z
last-modified:  2019-12-04T11:19:03Z
source:         RIPE

organisation:   ORG-BCCL1-RIPE
org-name:       Bytemark Limited
org-type:       LIR
address:        2 Opus Avenue
address:        YO26 6BL
address:        YORK
address:        UNITED KINGDOM
phone:          +441904890890
remarks:        support-urgent AT (phishing, high-bandwidth DoS etc. handled within 2 hours)
remarks:        CALL 0845 004 3 004 (select emergency contact out of hours) for crises
remarks:        abuse AT (spam, non-urgent problems handled within 24hrs)
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-BYTEMARK
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-BYTEMARK
admin-c:        SMC74-RIPE
abuse-c:        BYT2-RIPE
created:        2004-07-16T14:04:07Z
last-modified:  2019-11-12T22:03:36Z
source:         RIPE # Filtered

role:           BYTEMARK TECH
address:        Bytemark Computer Consulting Ltd York UK
remarks:        trouble: [email protected]
tech-c:         SMC74-RIPE
admin-c:        SMC74-RIPE
nic-hdl:        BYT2-RIPE
mnt-by:         MNT-BYTEMARK
created:        2004-09-08T11:04:10Z
last-modified:  2019-11-12T22:51:40Z
source:         RIPE # Filtered
abuse-mailbox:  [email protected]