AS Number
AS50300
AS Name
CUSTDC
Org Name
CustodianDC Limited
Registry

ripe

RegDate

Updated

2024-08-12T14:10:44Z

AS50300 Looking Glass
http://lg.custdc.net/
IPv4Prefixes

41

IPv6Prefixes

9

IPv4 NUMs

11,264

IPv6 NUMs(/64)

24,182,784

11,264 IPv4 Addresses
CIDR Description IP Num
5.102.168.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
5.102.169.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_SELECTTECHNOLOGY_2 256
5.102.170.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
5.102.171.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
5.102.172.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_REDINET 256
5.102.173.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_IDEAWORKS 256
5.102.174.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
5.102.175.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_1STCOMPUTERS_2 256
92.118.16.0/24
ROA Signed and Valid IRR Valid
Swiftping Limited 256
109.74.240.0/24
ROA Signed and Valid IRR Valid
CUSTODIANDC 256
109.74.241.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_VALLEY_INVICTA 256
109.74.242.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
109.74.243.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_SURESERVE 256
109.74.244.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_INFOTRACK 256
109.74.246.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_VIRTUALTIN_3 256
109.74.247.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_INFOCOM 256
109.74.248.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_VSL 256
109.74.249.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
109.74.250.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_VIRTUALTIN 256
109.74.251.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
109.74.252.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_4D_VSL 256
109.74.254.0/24
ROA Signed and Valid IRR Valid
CUSTDC_4D_BGP_LOOPBACKS 256
109.74.255.0/24
ROA Signed and Valid IRR Valid
CUSTODIANDC 256
176.12.104.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
176.12.105.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_GENCO 256
176.12.106.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_KMGROUP 256
176.12.107.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_OUTSET 256
176.12.108.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_1814 256
176.12.109.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_GFS 256
176.12.110.0/24
ROA Signed and Valid IRR Valid
CUSTODIANDC 256
185.14.164.0/22
IRR InValid
Clear Picture Services Limited 1024
185.32.72.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
185.32.73.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_CALLOUT_COMPUTERS 256
185.32.75.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_SKYEGROUP_5 256
185.42.65.0/24
ROA Signed and Valid IRR Valid
UK-UMBEE-Block-2 256
185.48.164.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
185.48.165.0/24
ROA Signed and Valid IRR Valid
CUSTDC_CLIENT_ACILEARNING 256
185.48.166.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
185.48.167.0/24
ROA Signed and Valid IRR Valid
CustodianDC Limited 256
185.104.136.0/24
ROA Signed and Valid IRR Valid
ICOMERA-UKE1 256
193.33.198.0/24
IRR Valid
VirtualTin Limited 256
CIDR Description IP NUMs(prefix /64)
2a00:1c10::/44
ROA Signed and Valid IRR Valid
CustodianDC Limited 1048576
2a00:1c10:10::/44
ROA Signed and Valid IRR Valid
CUSTDC_THN_CORE 1048576
2a00:1c10:20::/44
ROA Signed and Valid IRR Valid
CustodianDC Limited 1048576
2a00:1c10:30::/44
ROA Signed and Valid IRR Valid
CustodianDC Limited 1048576
2a00:1c10:40::/44
ROA Signed and Valid IRR Valid
CUSTDC_BYF_CORE_CLIENTS 1048576
2a00:1c10:100::/40
ROA Signed and Valid IRR Valid
CustodianDC Limited 16777216
2a00:1c10:cd0::/44
ROA Signed and Valid IRR Valid
CustodianDC Limited 1048576
2a00:1c10:da2::/48
ROA Signed and Valid IRR Parent Valid
CustodianDC Limited 65536
2a00:1c10:fff0::/44
ROA Signed and Valid IRR Valid
CustodianDC Limited 1048576
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 7,230,208 30,065,164,288 IPv6 IPv6
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 83,456 197,568,495,616 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46,336 42,949,804,032 IPv6 IPv6
AS14840 BR.Digital Provider, BR Brazil 70,912 14,010,220,544 IPv6 IPv6
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 86,016 240,518,430,720 IPv6 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,572,928 846,109,671,424 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,156,032 68,719,542,272 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 582,912 282,627,370,713,088 IPv6 IPv6
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, LLC, US United States 35,891,712 185,692,585,984 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 561,920 214,749,282,304 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 97,280 351,384,436,736 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv6 IPv6
AS559 Switch, CH Switzerland 2,184,960 176,093,790,208 IPv6 IPv6
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135,168 42,949,672,960 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,024 34,359,738,368 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99,840 77,403,586,560 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 38,400 4,294,967,296 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv6 IPv6
AS7195 EDGEUNO S.A.S, CO Colombia 31,232 4,275,109,888 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35,584 107,374,182,400 IPv6 IPv6
AS47160 MOJI - MOJI SAS, FR France 5,376 34,393,292,800 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv6 IPv6
AS13030 INIT7 - Init7 (Switzerland) Ltd., CH Switzerland 113,152 107,395,481,600 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 367,872 38,654,705,664 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 53,760 81,604,378,624 IPv6 IPv6
AS37271 Workonline - Workonline Communications(Pty) Ltd, ZA South Africa 9,216 4,294,967,296 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,947,840 81,626,857,472 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2,304 34,359,738,368 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,206,976 4,299,161,600 IPv6 IPv6
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 10,496 42,949,672,960 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS31463 FourD-AS - Redcentric Solutions Ltd, GB United Kingdom 35,840 68,736,253,952 IPv6 IPv6
AS43408 OCD-UK - Orange Cyberdefense UK Limited, GB United Kingdom 768 196,608 IPv6 IPv6
AS215162 TROOLI - Trooli Ltd., GB United Kingdom 512 33,554,432 IPv6 IPv6
as-block:       AS50220 - AS50841
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:        2024-08-12T14:10:44Z
last-modified:  2024-08-12T14:10:44Z
source:         RIPE



aut-num:        AS50300
as-name:        CUSTDC
org:            ORG-CL129-RIPE
remarks:        =========================================================
remarks:        | IPv4 Transit Peerings |
remarks:        =========================================================
import:         from AS174 action pref=100; accept ANY
export:         to AS174 announce AS-CUSTDC
import:         from AS2914 action pref=100; accept ANY
export:         to AS2914 announce AS-CUSTDC
import:         from AS3223 action pref=10; accept ANY
export:         to AS3223 announce AS-CUSTDC
import:         from AS3356 action pref=100; accept ANY
export:         to AS3356 announce AS-CUSTDC
import:         from AS5580 action pref=100; accept ANY
export:         to AS5580 announce AS-CUSTDC
import:         from AS6939 action pref=100; accept ANY
export:         to AS6939 announce AS-CUSTDC
import:         from AS31463 action pref=10; accept ANY
export:         to AS31463 announce ANY
import:         from AS215162 action pref=10; accept ANY
export:         to AS215162 announce ANY
remarks:        =========================================================
remarks:        | IPv6 Transit Peerings |
remarks:        =========================================================
mp-import:      afi ipv6.unicast from AS174 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS174 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS2914 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS2914 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS3223 action pref=10; accept ANY;
mp-export:      afi ipv6.unicast to AS3223 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS3356 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS3356 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS5580 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS5580 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS6939 action pref=100; accept ANY;
mp-export:      afi ipv6.unicast to AS6939 announce AS-CUSTDC;
mp-import:      afi ipv6.unicast from AS31463 action pref=10; accept ANY;
mp-export:      afi ipv6.unicast to AS31463 announce ANY;
mp-import:      afi ipv6.unicast from AS215162 action pref=10; accept ANY;
mp-export:      afi ipv6.unicast to AS215162 announce ANY;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via LINX |
remarks:        =========================================================
export:         to AS-ANY at 195.66.224.139 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7F8:4::C47C:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via AMS-IX |
remarks:        =========================================================
export:         to AS-ANY at 80.249.211.14 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7f8:1::a505:300:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Exchange Point Peerings via LonAP |
remarks:        =========================================================
export:         to AS-ANY at 5.57.80.96 announce AS-CUSTDC
mp-export:      afi ipv6.unicast to AS-ANY at 2001:7f8:17::c47c:1 announce AS-CUSTDC;
remarks:        =========================================================
remarks:        | Customer IPv4 Peerings |
remarks:        =========================================================
import:         from AS42044 action pref=300; accept AS42044
export:         to AS42044 announce ANY
import:         from AS43408 action pref=300; accept AS43408
export:         to AS43408 announce ANY
import:         from AS48101 action pref=300; accept AS48101
export:         to AS48101 announce ANY
import:         from AS51926 action pref=300; accept AS51926
export:         to AS51926 announce ANY
import:         from AS60890 action pref=300; accept AS60890
export:         to AS60890 announce ANY
import:         from AS62217 action pref=300; accept AS62217
export:         to AS62217 announce ANY
import:         from AS199330 action pref=300; accept AS199330
export:         to AS199330 announce ANY
import:         from AS201303 action pref=300; accept AS201303
export:         to AS201303 announce ANY
import:         from AS201304 action pref=300; accept AS201304
export:         to AS201304 announce ANY
import:         from AS206925 action pref=300; accept AS206925
export:         to AS206925 announce ANY
remarks:        =========================================================
remarks:        | Customer IPv6 Peerings |
remarks:        =========================================================
mp-import:      afi ipv6.unicast from AS42044 action pref=300; accept AS42044;
mp-export:      afi ipv6.unicast to AS42044 announce ANY;
mp-import:      afi ipv6.unicast from AS43408 action pref=300; accept AS43408;
mp-export:      afi ipv6.unicast to AS43408 announce ANY;
mp-import:      afi ipv6.unicast from AS199330 action pref=300; accept AS199330;
mp-export:      afi ipv6.unicast to AS199330 announce ANY;
mp-import:      afi ipv6.unicast from AS60890 action pref=300; accept AS60890;
mp-export:      afi ipv6.unicast to AS60890 announce ANY;
mp-import:      afi ipv6.unicast from AS62217 action pref=300; accept AS62217;
mp-export:      afi ipv6.unicast to AS62217 announce ANY;
mp-import:      afi ipv6.unicast from AS201303 action pref=300; accept AS201303;
mp-export:      afi ipv6.unicast to AS201303 announce ANY;
mp-import:      afi ipv6.unicast from AS201304 action pref=300; accept AS201304;
mp-export:      afi ipv6.unicast to AS201304 announce ANY;
remarks:        =========================================================
remarks:        | General Contact Information |
remarks:        =========================================================
remarks:        for ABUSE reports abuse@CustodianDC.com
remarks:        for DNS requests dns@CustodianDC.com
remarks:        for TECHNICAL requests support@CustodianDC.com
remarks:        for PEERING requests peering@CustodianDC.com
remarks:        =========================================================
remarks:        | (e-mails not sent to these contacts will be ignored!) |
remarks:        =========================================================
admin-c:        CN2008-RIPE
tech-c:         CN2008-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CUSTODIAN
created:        2009-12-16T10:53:17Z
last-modified:  2025-09-01T15:59:30Z
source:         RIPE

organisation:   ORG-CL129-RIPE
org-name:       CustodianDC Limited
country:        GB
org-type:       LIR
address:        Vinters Business Park, New Cut Road
address:        ME14 5NZ
address:        Maidstone
address:        UNITED KINGDOM
phone:          +441622230382
fax-no:         +441622684411
e-mail:         hostmaster@custodiandc.com
admin-c:        JC12575-RIPE
admin-c:        MH7372-RIPE
admin-c:        RW2316-RIPE
admin-c:        CN2008-RIPE
abuse-c:        CN2008-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CUSTODIAN
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CUSTODIAN
created:        2009-11-05T15:54:29Z
last-modified:  2025-09-01T16:13:25Z
source:         RIPE

role:           Custodian NOC
org:            ORG-CL129-RIPE
address:        Custodian DataCentre Ltd.
address:        Maidstone TV Studios
address:        ME14 5NZ Maidstone
address:        UNITED KINGDOM
abuse-mailbox:  abuse@CustodianDC.com
e-mail:         support@custodiandc.com
nic-hdl:        CN2008-RIPE
admin-c:        JC12575-RIPE
admin-c:        MH7372-RIPE
admin-c:        RW2316-RIPE
tech-c:         JC12575-RIPE
tech-c:         MH7372-RIPE
tech-c:         RW2316-RIPE
remarks:        --------------------------------------------------
remarks:        Contact Addresses By Category:
remarks:        --------------------------------------------------
remarks:        Peering: peering@CustodianDC.com
remarks:        DNS: dns@CustodianDC.com
remarks:        Abuse: abuse@CustodianDC.com
remarks:        General Support: support@CustodianDC.com
remarks:        --------------------------------------------------
created:        2010-10-28T10:41:52Z
last-modified:  2025-09-01T16:13:04Z
source:         RIPE
mnt-by:         MNT-CUSTODIAN