AS Number
AS49033
AS Name
CRITICALCORE
Org Name
Critical Core BV
Country / Region
Netherlands
Registry

ripe

RegDate

Updated

2025-07-09T08:51:07Z

AS49033 Looking Glass
http://www.criticalcore.nl
IPv4Prefixes

15

IPv6Prefixes

2

IPv4 NUMs

14,592

IPv6 NUMs(/64)

68,719,476,736

CIDR Description IP Num
45.8.236.0/22
IRR InValid
Scalia B.V. 1024
68.64.204.0/22
Ritesim.com Limited 1024
94.46.216.0/22
IRR InValid
Critical Core BV 1024
95.143.97.0/24
Ritesim.com Limited 256
103.66.56.0/22
IRR InValid
Ritesim.com Limited 1024
103.104.60.0/22
IRR InValid
Critical Core BV 1024
113.212.72.0/22
IRR InValid
Critical Core BV 1024
185.91.92.0/22
IRR InValid
Critical Core BV 1024
185.116.144.0/22
IRR InValid
Critical Core BV 1024
185.166.88.0/22
IRR InValid
Critical Core BV 1024
185.171.48.0/22
IRR InValid
Critical Core BV 1024
185.232.160.0/22
IRR InValid
Critical Core BV 1024
185.238.108.0/22
IRR InValid
Critical Core BV 1024
204.8.80.0/22
IRR InValid
Critical Core BV 1024
216.152.64.0/22
IRR InValid
Ritesim.com Limited 1024
CIDR Description IP NUMs(prefix /64)
2a0f:dcc0::/29
IRR Valid
Critical Core BV 34359738368
2a0f:ddc0::/29
IRR Valid
Critical Core BV 34359738368
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,840 268,500,999 IPv4 IPv4
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS22356 Durand do Brasil Ltda, BR Brazil 25,856 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 140,800 77,423,378,434 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv6 IPv6
AS60539 Huicast_Telecom - Huicast Telecom Limited, HK Hong Kong 256 34,359,803,904 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv6 IPv6
AS20562 OPEN-PEERING-AS - Broadband Hosting B.V., NL Netherlands 0 0 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS24785 JOINTTRANSIT-AS - Broadband Hosting B.V., NL Netherlands 4,864 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS35133 ERANIUM - Eranium B.V., NL Netherlands 768 36,507,287,552 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4
AS3399 OBE-NET - Obenet AB, SE Sweden 25,344 38,654,771,200 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31,232 107,374,247,936 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,568 2,293,760 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv6 IPv6
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4,295,360,512 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14,592 12,886,081,536 IPv4 IPv4 IPv6 IPv6
AS56911 ASN-WARIAN - Warian S.R.L., IT Italy 14,336 9,395,830,784 IPv4 IPv4
AS6830 LibertyGlobal - Liberty Global Europe Holding B.V., NL Netherlands 1,184,768 103,079,215,104 IPv4 IPv4 IPv6 IPv6
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,560 1,245,184 IPv6 IPv6
AS49434 FBWNETWORKS - FBW NETWORKS SAS, FR France 8,960 94,489,280,512 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,280 34,359,738,368 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS62125 Peopleware - Proact Netherlands B.V., NL Netherlands 1,024 0 IPv4 IPv4

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Netherlands Speed-IX - Speed Internet Exchange 185.1.222.89 2001:7f8:b7::a504:9033:1 10 Gbps 2026-03-25 02:34:27
Netherlands ERA-IX Amsterdam - ERA-IX Amsterdam 185.1.240.34 2001:7f8:12a::34 100 Gbps 2026-08-18 06:05:22
Netherlands NL-ix - Neutral Internet Exchange 193.239.116.220 2001:7f8:13::a524:9033:1 100 Gbps 2026-06-08 08:12:03
Netherlands 1-NL FREE - 1-NL Internet Exchange Netherlands 185.0.2.21 2001:7f8:16d::21 10 Gbps 2026-06-11 03:41:15

Private Peering Facilities

Country / Region Name City Website Updated
Datacenter.com AMS1 Amsterdam https://datacenter.com/data-centers 2018-11-15 06:50:29
Digital Realty AMS9 - Amsterdam Amsterdam https://www.digitalrealty.com/data-centers/amsterdam/science-park-121-schiphol-rijk-netherlands 2018-11-15 06:50:39
NIKHEF Amsterdam Amsterdam http://www.nikhefhousing.nl 2018-11-15 06:50:44
Digital Realty AMS3/5/7/8/10 - Amsterdam Amsterdam https://www.digitalrealty.com 2024-09-25 12:08:42
Equinix AM5 - Amsterdam, Schepenbergweg Amsterdam https://www.equinix.com/locations/netherlands-colocation/amsterdam-data-centers/am5/ 2024-09-25 12:09:40
NorthC Rotterdam Waalhaven Rotterdam https://www.northcdatacenters.com/ 2024-09-25 12:10:03

Whois Record

as-block AS47870 - AS49384

as-block
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
2025-07-09T08:51:07Z
last-modified
2025-07-09T08:51:07Z
source
RIPE

aut-num AS49033

aut-num
as-name
CRITICALCORE
org
ORG-CCB17-RIPE
import
from AS174 accept ANY
from AS8455 accept ANY
from AS50263 accept any
from AS6830 accept ANY
from AS35133 accept ANY
from AS50263 accept ANY
from AS206221 accept ANY
from AS20562 accept ANY
from AS24785 accept ANY
from AS34307 accept ANY
import-via
AS6777 from AS-ANY accept ANY
export
to AS174 announce AS-CRITICALCORE
to AS8455 announce AS-CRITICALCORE
to AS50263 announce AS-CRITICALCORE
to AS6830 announce AS49033:AS-CRITICALCORE
to AS35133 announce AS49033:AS-CRITICALCORE
to AS50263 announce AS49033:AS-CRITICALCORE
to AS206221 announce AS49033:AS-CRITICALCORE
to AS20562 announce AS49033:AS-CRITICALCORE
to AS24785 announce AS49033:AS-CRITICALCORE
to AS34307 announce AS49033:AS-CRITICALCORE
export-via
AS6777 to AS-ANY announce AS-CRITICALCORE
admin-c
AK12345
tech-c
AK12345
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
MNT-SMARTROUTING
created
2016-10-04T14:02:48Z
last-modified
2025-12-03T13:03:55Z
source
RIPE
mp-import
afi ipv6.unicast from AS50263 accept any
afi ipv6.unicast from AS6830 accept ANY
afi ipv6.unicast from AS35133 accept ANY
afi ipv6.unicast from AS50263 accept ANY
afi ipv6.unicast from AS206221 accept ANY
afi ipv6.unicast from AS20562 accept ANY
afi ipv6.unicast from AS24785 accept ANY
afi ipv6.unicast from AS34307 accept ANY
mp-export
afi ipv6.unicast to AS50263 announce AS-CRITICALCORE
afi ipv6.unicast to AS6830 announce AS49033:AS-CRITICALCORE
afi ipv6.unicast to AS35133 announce AS49033:AS-CRITICALCORE
afi ipv6.unicast to AS50263 announce AS49033:AS-CRITICALCORE
afi ipv6.unicast to AS206221 announce AS49033:AS-CRITICALCORE
afi ipv6.unicast to AS20562 announce AS49033:AS-CRITICALCORE
afi ipv6.unicast to AS24785 announce AS49033:AS-CRITICALCORE
afi ipv6.unicast to AS34307 announce AS49033:AS-CRITICALCORE

organisation ORG-CCB17-RIPE

organisation
ORG-CCB17-RIPE
org-name
Critical Core BV
country
NL
reg-nr
69547785
org-type
LIR
address
Trivium 76
4873LP
Etten-Leur
NETHERLANDS
phone
+31 000000000
e-mail
noc@criticalcore.nl
admin-c
AK12345
tech-c
AK12345
abuse-c
SRS8282
mnt-ref
MNT-SMARTROUTING
mnt-by
RIPE-NCC-HM-MNT
MNT-SMARTROUTING
created
2019-07-26T07:24:42Z
last-modified
2026-05-13T07:14:37Z
source
RIPE

person Arjan Kunstman

person
Arjan Kunstman
address
Straatweg 60
3604BC Maarssen
phone
+31000000000
e-mail
noc@criticalcore.nl
nic-hdl
AK12345
mnt-by
MNT-SMARTROUTING
created
2014-01-18T18:29:58Z
last-modified
2022-06-04T11:02:25Z
source
RIPE

as-block:       AS47870 - AS49384
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:        2025-07-09T08:51:07Z
last-modified:  2025-07-09T08:51:07Z
source:         RIPE



aut-num:        AS49033
as-name:        CRITICALCORE
org:            ORG-CCB17-RIPE
import:         from AS174 accept ANY
import-via:     AS6777 from AS-ANY accept ANY
export:         to AS174 announce AS-CRITICALCORE
export-via:     AS6777 to AS-ANY announce AS-CRITICALCORE
import:         from AS8455 accept ANY
export:         to AS8455 announce AS-CRITICALCORE
admin-c:        AK12345
tech-c:         AK12345
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-SMARTROUTING
created:        2016-10-04T14:02:48Z
last-modified:  2025-12-03T13:03:55Z
source:         RIPE
import:         from AS50263 accept any
export:         to AS50263 announce AS-CRITICALCORE
mp-import:      afi ipv6.unicast from AS50263 accept any
mp-export:      afi ipv6.unicast to AS50263 announce AS-CRITICALCORE
import:         from AS6830 accept ANY
export:         to AS6830 announce AS49033:AS-CRITICALCORE
mp-import:      afi ipv6.unicast from AS6830 accept ANY
mp-export:      afi ipv6.unicast to AS6830 announce AS49033:AS-CRITICALCORE
import:         from AS35133 accept ANY
export:         to AS35133 announce AS49033:AS-CRITICALCORE
mp-import:      afi ipv6.unicast from AS35133 accept ANY
mp-export:      afi ipv6.unicast to AS35133 announce AS49033:AS-CRITICALCORE
import:         from AS50263 accept ANY
export:         to AS50263 announce AS49033:AS-CRITICALCORE
mp-import:      afi ipv6.unicast from AS50263 accept ANY
mp-export:      afi ipv6.unicast to AS50263 announce AS49033:AS-CRITICALCORE
import:         from AS206221 accept ANY
export:         to AS206221 announce AS49033:AS-CRITICALCORE
mp-import:      afi ipv6.unicast from AS206221 accept ANY
mp-export:      afi ipv6.unicast to AS206221 announce AS49033:AS-CRITICALCORE
import:         from AS20562 accept ANY
export:         to AS20562 announce AS49033:AS-CRITICALCORE
mp-import:      afi ipv6.unicast from AS20562 accept ANY
mp-export:      afi ipv6.unicast to AS20562 announce AS49033:AS-CRITICALCORE
import:         from AS24785 accept ANY
export:         to AS24785 announce AS49033:AS-CRITICALCORE
mp-import:      afi ipv6.unicast from AS24785 accept ANY
mp-export:      afi ipv6.unicast to AS24785 announce AS49033:AS-CRITICALCORE
import:         from AS34307 accept ANY
export:         to AS34307 announce AS49033:AS-CRITICALCORE
mp-import:      afi ipv6.unicast from AS34307 accept ANY
mp-export:      afi ipv6.unicast to AS34307 announce AS49033:AS-CRITICALCORE

organisation:   ORG-CCB17-RIPE
org-name:       Critical Core BV
country:        NL
reg-nr:         69547785
org-type:       LIR
address:        Trivium 76
address:        4873LP
address:        Etten-Leur
address:        NETHERLANDS
phone:          +31 000000000
e-mail:         noc@criticalcore.nl
admin-c:        AK12345
tech-c:         AK12345
abuse-c:        SRS8282
mnt-ref:        MNT-SMARTROUTING
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-SMARTROUTING
created:        2019-07-26T07:24:42Z
last-modified:  2026-05-13T07:14:37Z
source:         RIPE

person:         Arjan Kunstman
address:        Straatweg 60
address:        3604BC Maarssen
phone:          +31000000000
e-mail:         noc@criticalcore.nl
nic-hdl:        AK12345
mnt-by:         MNT-SMARTROUTING
created:        2014-01-18T18:29:58Z
last-modified:  2022-06-04T11:02:25Z
source:         RIPE