AS Number
AS205294
AS Name
ThermoFisher
Org Name
Thermo Electron Ltd
Registry

ripe

RegDate

Updated

2026-03-05T15:29:31Z

AS205294 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

0

IPv4 NUMs

512

IPv6 NUMs(/64)

0

512 IPv4 Addresses
CIDR Description IP Num
46.226.216.0/24
ROA Signed and Valid IRR Valid
Thermo Electron Ltd 256
46.226.216.0/23
IRR InValid
TFS-NET 512
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2686 ATGS-MMD-AS - AT&T Enterprises, LLC, US United States 1,375,488 4,294,967,296 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,880,384 81,609,883,648 IPv4 IPv4
as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE



aut-num:        AS205294
as-name:        ThermoFisher
org:            ORG-TEL12-RIPE
import:         from AS3549 accept ANY
export:         to AS3549 announce AS205294
import:         from AS6461 accept ANY
export:         to AS6461 announce AS205294
import:         from AS3356 accept ANY
export:         to AS3356 announce AS205294
admin-c:        TFS34-RIPE
tech-c:         TFS34-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         GA94120-MNT
created:        2017-09-27T12:58:36Z
last-modified:  2026-04-30T09:29:44Z
source:         RIPE

organisation:   ORG-TEL12-RIPE
org-name:       Thermo Electron Ltd
country:        GB
reg-nr:         01735858
org-type:       LIR
address:        3rd Floor, 1 Ashley Road, Altrincham
address:        WA14 2DT
address:        Cheshire
address:        UNITED KINGDOM
phone:          +441619423000
fax-no:         +441619423001
e-mail:         neil.holt@thermofisher.com
mnt-ref:        GA94120-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         GA94120-MNT
abuse-c:        AR13008-RIPE
created:        2010-12-21T07:54:38Z
last-modified:  2026-05-13T07:33:28Z
source:         RIPE

role:           Thermo Fisher Scientific
address:        3rd Floor 1 Ashley Road, Altrincham, Cheshire, United Kingdom, WA14 2DT
e-mail:         global.networks@thermofisher.com
nic-hdl:        TFS34-RIPE
mnt-by:         GA94120-MNT
created:        2018-07-12T16:07:19Z
last-modified:  2026-04-30T09:31:54Z
source:         RIPE