AS Number
AS50522
AS Name
SEWAN-NL
Org Name
Sewan Nederland B.V.
Country
Netherlands
Registry

ripe

RegDate

Updated

2024-08-12T14:10:44Z

AS50522 Looking Glass
IPv4Prefixes

11

IPv6Prefixes

1

IPv4 NUMs

16,384

IPv6 NUMs(/64)

4,294,967,296

16,384 IPv4 Addresses
CIDR Description IP Num
81.23.244.0/22
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 1024
81.173.0.0/22
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 1024
81.173.7.0/24
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 256
81.173.32.0/22
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 1024
81.173.48.0/20
ROA Signed and Valid IRR Valid
Pocos-Subscribers 4096
81.173.64.0/20
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 4096
81.173.96.0/22
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 1024
81.173.125.0/24
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 256
81.173.126.0/23
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 512
109.235.32.0/21
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 2048
185.61.68.0/22
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 1024
CIDR Description IP NUMs(prefix /64)
2a03:be00::/32
ROA Signed and Valid IRR Valid
Sewan Nederland B.V. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,368 107,374,182,400 IPv4 IPv4
AS293 ESNET, US United States 140,800 4,295,163,904 IPv4 IPv4
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4
AS20562 OPEN-PEERING-AS - Broadband Hosting B.V., NL Netherlands 0 0 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 4,096 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,736 236,223,463,424 IPv4 IPv4
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv4 IPv4
AS22356 Durand do Brasil Ltda, BR Brazil 28,672 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 30,976 107,374,247,936 IPv4 IPv4 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,936 4,294,967,296 IPv4 IPv4
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 559,872 210,454,380,544 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS49434 FBWNETWORKS - FBW NETWORKS SAS, FR France 7,680 94,489,280,512 IPv4 IPv4 IPv6 IPv6
AS999 CORIX-999 - CORIX NETWORKS, US United States 70,144 4,295,032,834 IPv4 IPv4
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135,424 42,949,672,960 IPv4 IPv4
AS49917 LSIX-AS - LayerSwitch B.V., NL Netherlands 0 0 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,520 68,719,476,736 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 457,984 283,043,982,540,800 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 47,104 42,949,869,568 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,312 2,228,224 IPv4 IPv4 IPv6 IPv6
AS559 Switch, CH Switzerland 2,184,960 176,093,790,208 IPv4 IPv4
AS14840 BR.Digital Telecom, BR Brazil 72,960 14,010,613,760 IPv4 IPv4 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,560 1,245,184 IPv4 IPv4 IPv6 IPv6
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,216 38,654,705,664 IPv4 IPv4
AS60539 Huicast_Telecom - Huicast Telecom Limited, HK Hong Kong 256 34,376,581,120 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 130,816 77,423,247,362 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 2,560 268,500,999 IPv4 IPv4
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 81,920 188,978,561,024 IPv4 IPv4
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 371,200 38,654,705,664 IPv4 IPv4
AS34428 EIGHTROUTE - Giulio Lo Presti, IT Italy 512 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 14,592 12,886,081,536 IPv4 IPv4 IPv6 IPv6
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 39,680 6,442,450,944 IPv4 IPv4
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4,279,040 12,885,032,967 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS47147 AS-ANX - Anexia Cloud Solutions GmbH, AT Austria 12,032 131,072 IPv4 IPv4
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116,992 356,753,080,320 IPv4 IPv4 IPv6 IPv6
AS57866 FUSIX-AS - Fusix Networks B.V., NL Netherlands 9,728 107,374,247,936 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 42,496 17,179,869,184 IPv4 IPv4
AS39642 Sinal-AS - Sinal A/S, DK Denmark 560,128 146,028,953,600 IPv4 IPv4
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12,544 4,294,967,296 IPv4 IPv4
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv4 IPv4
AS25091 IP-Max - IP-Max SA, CH Switzerland 14,848 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv6 IPv6
AS263444 Open X Tecnologia Ltda, BR Brazil 2,048 2,147,483,648 IPv6 IPv6
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,245,376 17,592,186,109,952 IPv4 IPv4 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4 IPv6 IPv6
AS3399 OBE-NET - Obenet AB, SE Sweden 25,344 38,654,771,200 IPv4 IPv4 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 3,072 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,104 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741,888 4,295,098,368 IPv4 IPv4
AS24940 HETZNER-AS - Hetzner Online GmbH, DE Germany 3,174,400 77,309,476,864 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS34177 CELESTE-AS - Celeste SAS, FR France 229,632 98,784,247,808 IPv4 IPv4
AS35280 F5 - F5 Networks SARL, FR France 55,808 81,604,378,624 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS38082 IIT-TIG-AS-AP - True International Gateway Co., Ltd., TH Thailand 7,168 4,294,967,296 IPv4 IPv4
AS53062 GGNET TELECOMUNICACOES LTDA, BR Brazil 28,160 17,465,212,928 IPv4 IPv4
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 256 4,294,967,299 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 407,808 77,326,843,904 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 28,747,008 81,609,621,504 IPv4 IPv4 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4
AS56911 ASN-WARIAN - Warian S.R.L., IT Italy 14,336 9,395,765,248 IPv4 IPv4
AS7195 EDGEUNO S.A.S, CO Colombia 32,000 4,274,061,312 IPv4 IPv4
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,280 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS64049 RJIPL-SG - Reliance Jio Infocomm Pte.Ltd, SG Singapore 2,048 0 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS41960 NEXTPERTISE - Nextpertise B.V., NL Netherlands 79,104 150,860,726,272 IPv4 IPv4
AS61349 MAXITEL - MaxiTEL Telecom B.V., NL Netherlands 5,376 17,179,869,184 IPv4 IPv4
AS200342 AS-24X7ICT - 24x7 Hosting B.V., NL Netherlands 768 17,179,869,184 IPv4 IPv4
AS201117 ZeroPlex - ZeroPlex B.V., NL Netherlands 1,024 0 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 407,808 77,326,843,904 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Netherlands NL-ix - Neutral Internet Exchange 193.239.116.114 2001:7f8:13::a505:522:1 100 Gbps 2025-08-02 21:56:52
Netherlands Speed-IX - Speed Internet Exchange 185.1.222.85 2001:7f8:b7::a505:522:1 10 Gbps 2026-03-26 17:37:19
Netherlands LSIX - LayerSwitch Internet Exchange 185.1.32.43 2001:7f8:8f::a505:522:1 10 Gbps 2020-02-19 04:07:31
Netherlands AMS-IX - Amsterdam Internet Exchange 80.249.214.8 2001:7f8:1::a505:522:1 100 Gbps 2026-05-09 00:05:28
Netherlands Frys-IX - The Frisian Internet Exchange 185.1.160.46 2001:7f8:10f::c55a:46 10 Gbps 2026-03-26 18:35:54

Private Peering Facilities

Country/Region Name City Website Updated
NIKHEF Amsterdam Amsterdam http://www.nikhefhousing.nl 2017-07-04 14:52:40
Equinix AM7 - Amsterdam, Kuiperberweg Amsterdam https://www.equinix.com/locations/netherlands-colocation/amsterdam-data-centers/am7/ 2023-11-24 07:50:10
Global Switch Amsterdam Amsterdam https://www.globalswitch.com/locations/amsterdam 2016-03-14 21:48:59
KPN DC2 Amsterdam http://www.kpn-wholesale.com 2017-07-04 14:52:53
EFX Eindhoven http://www.efx.nl/ 2016-03-14 20:31:08
Interconnect Services DC2 Eindhoven Eindhoven http://www.interconnect.nl/ 2018-09-12 14:19:26
EcoRacks Eindhoven http://www.ecoracks.nl/ 2016-12-14 12:46:57
NorthC Eindhoven 1 Eindhoven https://www.northcdatacenters.com/ 2018-03-26 09:24:40
NorthC Eindhoven 2 Eindhoven https://www.northcdatacenters.com/ 2025-08-02 21:58:58
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:        AS50522
as-name:        SEWAN-NL
org:            ORG-PB32-RIPE
remarks:        Transits
import:         from AS1299 action pref=100; accept ANY
export:         to AS1299 announce AS50522:AS-SEWAN-NL
import:         from AS3356 action pref=100; accept ANY
export:         to AS3356 announce AS-POCOS
remarks:        Peering
import:         from AS20562 action pref=100; accept ANY
export:         to AS20562 announce AS50522:AS-SEWAN-NL
import:         from AS6939 action pref=160; accept ANY
export:         to AS6939 announce AS50522
import:         from AS202120 action pref=170; accept ANY
export:         to AS202120 announce AS-POCOS
import:         from AS6777 action pref=150; accept ANY
export:         to AS6777 announce ANY
import:         from AS49685 action pref=160; accept ANY
export:         to AS49685 announce AS-POCOS
import:         from AS59865 action pref=1600; accept ANY
export:         to AS59865 announce AS-POCOS
import:         from AS20495 action pref=160; accept ANY
export:         to AS20495 announce AS-POCOS
import:         from AS49917 action pref=150; accept ANY
export:         to AS49917 announce AS-POCOS
import:         from AS206499 action pref=160; accept ANY
export:         to AS206499 announce AS-POCOS
import:         from AS15196 action pref=160; accept ANY
export:         to AS15196 announce AS-POCOS
import:         from AS41441 action pref=150; accept ANY
export:         to AS41441 announce AS-POCOS
import:         from AS34307 action pref=150; accept ANY
export:         to AS34307 announce AS-POCOS
import:         from AS20940 action pref=160; accept AS-AKAMAI
export:         to AS20940 announce AS-POCOS
import:         from AS714 action pref=160; accept AS-APPLE
export:         to AS714 announce AS-POCOS
import:         from AS13335 action pref=160; accept AS-CLOUDFLARE
export:         to AS13335 announce AS-POCOS
import:         from AS3265 action pref=160; accept ANY
export:         to AS3265 announce AS-POCOS
import:         from AS42 action pref=160; accept ANY
export:         to AS42 announce AS-POCOS
import:         from AS3856 action pref=160; accept ANY
export:         to AS3856 announce AS-POCOS
import:         from AS8075 action pref=160; accept ANY
export:         to AS8075 announce AS-POCOS
import:         from AS32934 action pref=160; accept any
export:         to AS32934 announce AS-POCOS
import:         from AS42707 action pref=160; accept any
export:         to AS42707 announce AS-POCOS
import:         from AS39637 action pref=160; accept any
export:         to AS39637 announce AS-POCOS
import:         from AS24730 action pref=160; accept ANY
export:         to AS24730 announce AS-POCOS
import:         from AS9150 action pref=160; accept ANY
export:         to AS9150 announce AS-POCOS
import:         from AS57866 action pref=160; accept ANY
export:         to AS57866 announce AS-POCOS
import:         from AS2906 action pref=160; accept ANY
export:         to AS2906 announce AS-POCOS
remarks:        Customers
import:         from AS207357 action pref=160; accept AS207357
export:         to AS207357 announce ANY
import:         from AS201117 action pref=160; accept AS201117
export:         to AS201117 announce ANY
import:         from AS200342 action pref=160; accept AS200342
export:         to AS200342 announce ANY
admin-c:        SWN50522
tech-c:         SWN50522
notify:         noc@sewan.nl
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SEWAN-NL-MNT
created:        2010-02-02T14:34:53Z
last-modified:  2026-05-11T21:14:35Z
source:         RIPE

organisation:   ORG-PB32-RIPE
org-name:       Sewan Nederland B.V.
country:        NL
reg-nr:         17097024
org-type:       LIR
address:        Science Park 5218
address:        5692 EG
address:        Son en Breugel
address:        NETHERLANDS
phone:          +31880100700
fax-no:         +31880100799
e-mail:         ncc@sewan.nl
admin-c:        SWN50522
abuse-c:        SWN50522
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SEWAN-NL-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         POCOS-MNT
created:        2010-01-15T13:31:04Z
last-modified:  2026-05-13T07:20:34Z
source:         RIPE

role:           SEWAN-NL-NOC
address:        Science Park Eindhoven 5218, 5692 EG, Son en Breugel, Netherlands
phone:          +31 88 0100700
admin-c:        SH16106-RIPE
admin-c:        SVZ58-RIPE
tech-c:         SH16106-RIPE
tech-c:         SVZ58-RIPE
e-mail:         noc@sewan.nl
abuse-mailbox:  abuse@sewan.nl
nic-hdl:        SWN50522
created:        2026-05-11T20:55:06Z
last-modified:  2026-05-11T21:17:43Z
source:         RIPE
mnt-by:         SEWAN-NL-MNT