AS Number
AS21308
AS Name
ITMUA-AS
Org Name
Synapse Ukraine LLC
Country
Ukraine
Registry

ripe

RegDate

Updated

2018-11-22T15:27:28Z

AS21308 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

1

IPv4 NUMs

512

IPv6 NUMs(/64)

65,536

512 IPv4 Addresses
CIDR Description IP Num
193.239.142.0/24
IRR Valid
PE Veles Alla Alexandrovna 256
193.239.143.0/24
IRR Valid
PE Veles Alla Alexandrovna 256
CIDR Description IP NUMs(prefix /64)
2001:67c:e00::/48
IRR Valid
PE Veles Alla Alexandrovna 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS29107 SYNAPSE-AS - Synapse Network LTD, GB United Kingdom 54,272 131,072 IPv4 IPv4 IPv6 IPv6
as-block:       AS21281 - AS21390
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:        2018-11-22T15:27:28Z
last-modified:  2018-11-22T15:27:28Z
source:         RIPE



aut-num:        AS21308
as-name:        ITMUA-AS
org:            ORG-SUL41-RIPE
import:         from AS29107 accept ANY
export:         to AS29107 announce AS21308
sponsoring-org: ORG-LW50-RIPE
admin-c:        CHEG-RIPE
tech-c:         CHEG-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SYNAPSE-MNT
created:        2015-07-22T13:09:31Z
last-modified:  2026-04-16T09:48:16Z
source:         RIPE

organisation:   ORG-SUL41-RIPE
org-name:       Synapse Ukraine LLC
country:        UA
reg-nr:         31721222
org-type:       OTHER
address:        04112, Kyiv, Degtyarivska st 50
e-mail:         [email protected]
abuse-c:        ACRO57182-RIPE
mnt-ref:        ua-merezha-1-mnt
mnt-ref:        SYNAPSE-MNT
created:        2026-03-31T11:59:47Z
last-modified:  2026-05-13T06:29:41Z
source:         RIPE
mnt-by:         ua-merezha-1-mnt
mnt-by:         SYNAPSE-MNT

person:         Eugen G.Chkolenko
address:        Synapse Network
address:        Degtyarivskaya str. 50
address:        Kiev, Ukraine, 04112
mnt-by:         SYNAPSE-MNT
phone:          +38(044)2406633
nic-hdl:        CHEG-RIPE
created:        2006-07-14T12:06:07Z
last-modified:  2010-05-22T21:17:30Z
source:         RIPE