AS Number
AS Name
Org Name
LeaseWeb Network B.V.






AS38930 Looking Glass






IPv6 NUMs(/64)


12,288 IPv4 Addresses
CIDR Description IP Num
IRR Valid
LeaseWeb Network B.V. 8192
IRR Parent Valid
DutchInfo 256
IRR Valid
LeaseWeb Network B.V. 256
IRR Valid
LeaseWeb Network B.V. 512
IRR Valid
ValueCare Holding B.V. 256
ROA Signed and Valid IRR Valid
IRR Valid
Black Welsh Mountain Group B.V. 2048
IRR Valid
Greenshift SAS 1024
IRR InValid
Portavita B.V. 256
IRR InValid
Portavita B.V. 256
CIDR Description IP NUMs(prefix /64)
IRR InValid
LeaseWeb Netherlands B.V. 65536
IRR Valid
LeaseWeb Network B.V. 4294967296
IRR Parent Valid
Aggregate-for-48 65536
IRR Parent Valid
LeaseWeb Network B.V. 1048576
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,247,104 228,845,617,152 IPv4 IPv4 IPv6 IPv6
AS1299 TWELVE99 - Telia Company AB, SE Sweden 256,256 17,600,776,896,512 IPv4 IPv4 IPv6 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 4,559,248 214,530,850,816 IPv4 IPv4 IPv6 IPv6
AS6453 AS6453 - TATA COMMUNICATIONS (AMERICA) INC, US United States 585,216 55,834,640,384 IPv4 IPv4 IPv6 IPv6
AS8283 COLOCLUE-AS - Netwerkvereniging Coloclue, NL Netherlands 3,584 4,295,032,832 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS14907 WIKIMEDIA - Wikimedia Foundation Inc., US United States 3,328 524,288 IPv4 IPv4 IPv6 IPv6
AS9017 MDAM - Marcus van Dam, NL Netherlands 256 0 IPv4 IPv4
AS49206 PeakFactory - PeakFactory BV, NL Netherlands 2,304 4,294,967,296 IPv4 IPv4
AS57504 TELEMAGIC-AS - Telemagic B.V., NL Netherlands 512 0 IPv4 IPv4
AS202134 SYNEDGE-NL - SynEdge Luxembourg S.A., NL Netherlands 256 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS197302 WARMTESERVICE - Warmteservice Groep BV, NL Netherlands 256 0 IPv4 IPv4
AS16281 UTELISYS - Utelisys Communications B.V., NL Netherlands 6,144 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS25433 Henz-nl-AS - B.V., NL Netherlands 3,072 34,359,738,368 IPv4 IPv4
AS26120 RHYTHMONE - RhythmOne, LLC, US United States 2,816 0 IPv4 IPv4
AS44949 GIGACODES-AS - Gigacodes GmbH, DE Germany 1,024 262,144 IPv4 IPv4
AS50343 NWRK-AS - New Work SE, DE Germany 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS50570 JFHILLEBRAND - J.F. Hillebrand IT B.V., NL Netherlands 512 0 IPv4 IPv4
AS51276 budovit - Limited Responsibility Society "KomProektServis", BY Belarus 512 0 IPv4 IPv4
AS207843 VBOXX - vBoxx B.V., NL Netherlands 512 131,072 IPv4 IPv4 IPv6 IPv6
AS15535 VIRTUALXS-AS - Virtual Access Internet BV, NL Netherlands 8,192 0 IPv4 IPv4
AS30785 RADIK-AS - Radik BV, NL Netherlands 1,024 0 IPv4 IPv4
AS47172 Greenhost - Greenhost BV, NL Netherlands 5,376 65,536 IPv4 IPv4 IPv6 IPv6
AS134835 SNL-HK - Starry Network Limited, HK Hong Kong 11,264 170,393,600 IPv4 IPv4 IPv6 IPv6
AS201372 MEZZAMI-AS - Mezzami B.V., NL Netherlands 2,048 34,359,738,368 IPv4 IPv4
AS8283 COLOCLUE-AS - Netwerkvereniging Coloclue, NL Netherlands 3,584 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS29141 BKVG-AS - Bradler & Krantz GmbH & Co. KG, DE Germany 19,200 8,589,934,592 IPv4 IPv4
AS47482 SPECTRE - Spectre Operations B.V., NL Netherlands 1,024 0 IPv4 IPv4
AS205755 Sdnbucks - SDNBUCKS BV, NL Netherlands 1,024 65,536 IPv4 IPv4 IPv6 IPv6
AS206637 IQIP-AS - CSL (DualCom) Limited, GB United Kingdom 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS8328 SaaSplaza - SaaSplaza Nederland B.V., NL Netherlands 4,608 16,777,216 IPv4 IPv4 IPv6 IPv6
AS60679 FDR - Freedom Registry BV, NL Netherlands 1,280 131,072 IPv4 IPv4 IPv6 IPv6
AS16265 LEASEWEB-NETWORK - LeaseWeb Network B.V., NL Netherlands 0 0 IPv6 IPv6
IP Address Domain NUMs Domains 3 3 44 1 24 1 1 1 1 6
as-block:       AS38912 - AS39935
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:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE

aut-num:        AS38930
as-name:        FIBERRING
descr:          Amsterdam, Netherlands
descr:          Transits:
import:         from AS174 action pref=100; accept ANY
export:         to AS174 announce AS-FIBERRING
import:         from AS1299 action pref=100; accept ANY
export:         to AS1299 announce AS-FIBERRING
import:         from AS3549 action pref=100; accept ANY
export:         to AS3549 announce AS-FIBERRING
descr:          Peerings:
import:         from AS3303 action pref=150; accept AS-SWCMGLOBAL
export:         to AS3303 announce AS-FIBERRING
import:         from AS8218 action pref=150; accept AS-NEOT
export:         to AS8218 announce AS-FIBERRING
import:         from AS8657 action pref=150; accept AS-CPRM
export:         to AS8657 announce AS-FIBERRING
import:         from AS9002 action pref=150; accept AS-RETN
export:         to AS9002 announce AS-FIBERRING
import:         from AS16265 action pref=150; accept AS-LEASEWEB
export:         to AS16265 announce AS-FIBERRING
import:         from AS20485 action pref=150; accept AS-TTK
export:         to AS20485 announce AS-FIBERRING
import:         from AS20562 action pref=150; accept AS-OPENPEERING
export:         to AS20562 announce AS-FIBERRING
import:         from AS206637 action pref=200; accept AS-IQIP
export:         to AS206637 announce ANY
descr:          Customers:
import:         from AS6732 action pref=200; accept AS-CYBERLINK-TRANSIT
export:         to AS6732 announce AS-ANY
import:         from AS8315 action pref=200; accept AS8315
export:         to AS8315 announce ANY
import:         from AS15535 action pref=200; accept AS15535
export:         to AS15535 announce ANY
import:         from AS207843 action pref=200; accept AS207843
export:         to AS207843 announce ANY
import:         from AS21455 action pref=200; accept AS21455
export:         to AS21455 announce ANY
import:         from AS26120 action pref=200; accept AS26120
export:         to AS26120 announce ANY
import:         from AS29028 action pref=200; accept AS-COMPUKOS
export:         to AS29028 announce ANY
import:         from AS29659 action pref=200; accept AS29659
export:         to AS29659 announce ANY
import:         from AS30870 action pref=200; accept AS30870
export:         to AS30870 announce ANY
import:         from AS33803 action pref=200; accept AS33803
export:         to AS33803 announce ANY
import:         from AS42624 action pref=200; accept AS-SIMPLECARRIER
export:         to AS42624 announce ANY
import:         from AS43861 action pref=200; accept AS43861
export:         to AS43861 announce ANY
import:         from AS48232 action pref=200; accept AS48232
export:         to AS48232 announce ANY
import:         from AS201372 action pref=200; accept AS201372
export:         to AS201372 announce ANY
import:         from AS35156 action pref=200; accept AS35156
export:         to AS35156 announce ANY
import:         from AS35669 action pref=200; accept AS35669
export:         to AS35669 announce ANY
import:         from AS35829 action pref=200; accept AS35829
export:         to AS35829 announce ANY
import:         from AS39556 action pref=200; accept AS39556
export:         to AS39556 announce ANY
import:         from AS41696 action pref=200; accept AS41696
export:         to AS41696 announce ANY
import:         from AS42093 action pref=200; accept AS42093
export:         to AS42093 announce ANY
import:         from AS42158 action pref=200; accept AS42158
export:         to AS42158 announce ANY
import:         from AS42812 action pref=200; accept AS42812
export:         to AS42812 announce ANY
import:         from AS42884 action pref=200; accept AS-LOCALPHONE
export:         to AS42884 announce ANY
import:         from AS44949 action pref=200; accept AS-GIGACODES
export:         to AS44949 announce ANY
import:         from AS47143 action pref=200; accept AS47143
export:         to AS47143 announce ANY
import:         from AS47172 action pref=200; accept AS47172
export:         to AS47172 announce ANY
import:         from AS47714 action pref=200; accept AS47714
export:         to AS47714 announce ANY
import:         from AS48286 action pref=200; accept AS48286
export:         to AS48286 announce ANY
import:         from AS49549 action pref=200; accept AS49549
export:         to AS49549 announce ANY
import:         from AS30785 action pref=200; accept AS30785
export:         to AS30785 announce ANY
import:         from AS49448 action pref=200; accept AS49448
export:         to AS49448 announce ANY
import:         from AS50343 action pref=150; accept AS-XING
export:         to AS50343 announce AS-FIBERRING
import:         from AS8328 action pref=200; accept AS8328
export:         to AS8328 announce ANY
import:         from AS50968 action pref=200; accept AS50968
export:         to AS50968 announce ANY
import:         from AS50570 action pref=200; accept AS50570
export:         to AS50570 announce ANY
import:         from AS50655 action pref=200; accept AS-ITSHOSTED
export:         to AS50655 announce ANY
import:         from AS51665 action pref=200; accept AS51665
export:         to AS51665 announce ANY
import:         from AS56372 action pref=200; accept AS56372
export:         to AS56372 announce ANY
import:         from AS60558 action pref=200; accept AS60558
export:         to AS60558 announce ANY
import:         from AS60696 action pref=200; accept AS60696
export:         to AS60696 announce ANY
import:         from AS60765 action pref=200; accept AS60765
export:         to AS60765 announce ANY
import:         from AS60820 action pref=200; accept AS60820
export:         to AS60820 announce ANY
import:         from AS62403 action pref=200; accept AS62403
export:         to AS162403 announce ANY
import:         from AS62715 action pref=200; accept AS62715
export:         to AS62715 announce ANY
import:         from AS20473 action pref=200; accept AS20473
export:         to AS20473 announce ANY
import:         from AS205755 action pref=200; accept AS205755
export:         to AS205755 announce ANY
import:         from AS49981 action pref=200; accept AS49981
export:         to AS49981 announce ANY
import:         from AS25128 action pref=200; accept AS25128
export:         to AS25128 announce ANY
import:         from AS51446 action pref=200; accept AS51446
export:         to AS51446 announce ANY
import:         from AS196752 action pref=200; accept AS196752
export:         to AS196752 announce ANY
import:         from AS197302 action pref=200; accept AS197302
export:         to AS197302 announce ANY
import:         from AS29141 action pref=200; accept AS29141
export:         to AS29141 announce ANY
import:         from AS197985 action pref=200; accept AS197985
export:         to AS197985 announce ANY
import:         from AS198012 action pref=200; accept AS198012
export:         to AS198012 announce ANY
import:         from AS198660 action pref=200; accept AS198660
export:         to AS198660 announce ANY
import:         from AS25433 action pref=200; accept AS25433
export:         to AS25433 announce ANY
import:         from AS57382 action pref=200; accept AS57382
import:         from AS50018 action pref=200; accept AS50018
export:         to AS57382 announce ANY
export:         to AS50018 announce ANY
import:         from AS47482 action pref=200; accept AS47482
export:         to AS47482 announce ANY
import:         from AS198147 action pref=200; accept AS198147
export:         to AS198147 announce ANY
import:         from AS199135 action pref=200; accept AS199135
export:         to AS199135 announce ANY
import:         from AS54591 action pref=200; accept AS54591
export:         to AS54591 announce ANY
import:         from AS47344 action pref=200; accept AS47344
export:         to AS47344 announce ANY
import:         from AS200052 action pref=200; accept AS200052
export:         to AS200052 announce ANY
import:         from AS201690 action pref=200; accept AS-INFOTHEEK
export:         to AS201690 announce ANY
import:         from AS212951 action pref=200; accept AS212951
export:         to AS212951 announce ANY
org:            ORG-FB8-RIPE
admin-c:        FBX1-RIPE
tech-c:         FBX1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         FBX-MNT
created:        2005-11-15T14:06:01Z
last-modified:  2022-05-04T06:37:41Z
source:         RIPE

organisation:   ORG-FB8-RIPE
org-name:       LeaseWeb Network B.V.
country:        NL
org-type:       LIR
address:        Postbus 23136
address:        1100DP
address:        Amsterdam
address:        NETHERLANDS
phone:          +31 20 4860500
fax-no:         +31 20 4889458
abuse-c:        AR16174-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        FBX-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         FBX-MNT
admin-c:        FBX1-RIPE
created:        2005-11-03T06:11:21Z
last-modified:  2020-12-16T13:19:34Z
source:         RIPE

person:         Leaseweb Network Support
address:        Luttenbergweg 8
address:        1101EC Amsterdam
address:        The Netherlands
phone:          +31 20 316 5166
nic-hdl:        FBX1-RIPE
created:        2005-11-04T11:13:08Z
last-modified:  2020-05-19T14:12:48Z
source:         RIPE
mnt-by:         FBX-MNT