AS Number
AS43872
AS Name
OPTINET
Org Name
Optinet U.K. Limited
Registry

ripe

RegDate

Updated

2023-12-11T15:09:58Z

IPv4Prefixes

16

IPv6Prefixes

2

IPv4 NUMs

6,400

IPv6 NUMs(/64)

240,518,168,576

6,400 IPv4 Addresses
CIDR Description IP Num
5.253.252.0/22
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 1024
45.136.108.0/24
ROA Signed and Valid IRR InValid
Optinet U.K. Limited 256
84.38.246.0/24
ROA Signed and Valid
Harrods International Ltd 256
91.201.105.0/24
ROA Signed and Valid IRR Valid
Guaranty Trust Bank (UK) Limited 256
92.118.111.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
176.101.169.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
185.183.20.0/22
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 1024
185.187.61.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
185.253.176.0/22
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 1024
193.105.189.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
193.247.94.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
193.247.101.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
193.247.103.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
193.247.165.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
195.234.28.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
217.198.183.0/24
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 256
CIDR Description IP NUMs(prefix /64)
2a0b:180::/29
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 34359738368
2a10:cac0::/29
ROA Signed and Valid IRR Valid
Optinet U.K. Limited 34359738368
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS8708 DIGI-ROMANIA - DIGI ROMANIA S.A., RO Romania 1,787,136 73,014,509,568 IPv4 IPv4
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 66,048 12,884,901,888 IPv4 IPv4
AS34177 CELESTE-AS - CELESTE SAS, FR France 289,792 98,784,247,808 IPv4 IPv4
AS37273 BCS - Bandwidth and Cloud Services Group Ltd, UG Uganda 8,192 4,294,967,296 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 43,520 17,179,869,184 IPv4 IPv4
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4
AS53062 ALT | GRUPO BRASIL TECPAR, BR Brazil 27,136 4,504,699,155,841,024 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,495,808 25,770,590,208 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4 IPv6 IPv6
AS30781 JAGUAR-AS - Free Pro SAS, FR France 105,472 133,144,051,712 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS61049 EXASCALE - Exascale Ltd, GB United Kingdom 5,120 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 562,432 214,749,282,304 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Telecom, BR Brazil 70,912 14,010,220,544 IPv4 IPv4
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115,712 352,458,178,560 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,328 4,294,967,296 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,919,616 185,692,717,056 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 104,960 77,403,783,168 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,571,136 468,152,549,376 IPv4 IPv4 IPv6 IPv6
AS3741 NTT-DATA-Inc - Dimension Data, ZA South Africa 2,968,576 137,439,084,544 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 580,864 282,631,665,680,384 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 395,008 77,326,843,904 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,112 107,374,182,400 IPv4 IPv4
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 368,640 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,592 4,294,967,296 IPv4 IPv4
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 13,312 4,312,924,160 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 7,158,784 2,233,382,993,920 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,673,728 52,076,871,680 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4
as-block:       AS43075 - AS44168
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:        2023-12-11T15:09:58Z
last-modified:  2023-12-11T15:09:58Z
source:         RIPE



aut-num:        AS43872
as-name:        OPTINET
org:            ORG-OUL4-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS43872
import:         from AS3257 accept ANY
export:         to AS3257 announce AS43872
import:         from AS6461 accept ANY
export:         to AS6461 announce AS43872
import:         from AS1299 accept ANY
export:         to AS1299 announce AS43872
admin-c:        SP16055-RIPE
tech-c:         NO1784-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         uk-optinet-1-mnt
created:        2016-12-20T14:17:07Z
last-modified:  2025-11-28T12:30:51Z
source:         RIPE

organisation:   ORG-OUL4-RIPE
org-name:       Optinet U.K. Limited
country:        GB
org-type:       LIR
address:        Floor 24 One Canada Square
address:        E14 5AA
address:        London
address:        UNITED KINGDOM
phone:          +442033193701
e-mail:         noc@optinet.co.uk
admin-c:        SP16055-RIPE
tech-c:         NO1784-RIPE
abuse-c:        AR56859-RIPE
mnt-ref:        uk-optinet-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         uk-optinet-1-mnt
created:        2016-12-19T14:53:59Z
last-modified:  2024-04-04T11:04:20Z
source:         RIPE

role:           Network Operations
address:        Skyline Plaza, 45 Victoria Avenue
address:        SS2 6BB
address:        Southend-ON-Sea
address:        UNITED KINGDOM
phone:          +4402033193701
e-mail:         noc@optinet.co.uk
nic-hdl:        NO1784-RIPE
mnt-by:         uk-optinet-1-mnt
created:        2019-11-19T09:00:25Z
last-modified:  2019-11-19T09:00:25Z
source:         RIPE

person:         Sean Pearman
address:        Skyline Plaza
address:        45 Victoria Avenue
address:        Southend
address:        Essex
phone:          +44(0)2033193701
nic-hdl:        SP16055-RIPE
mnt-by:         uk-optinet-1-mnt
created:        2016-12-19T14:53:59Z
last-modified:  2019-03-11T14:30:26Z
source:         RIPE