AS50522
Sewan Nederland B.V.
Scanned 2h 13m ago
📋 Summary
IP address summary information| Name | Sewan Nederland B.V. |
| Website | Transits |
| IPv4 addresses | 16K |
| IPv6 addresses | ~2^81 |
| ASN type | Transit |
| Registry | RIPE NCC |
| Allocated | Feb 02, 2010 |
| Updated | May 11, 2026 |
📊 IP Ranges
IPv4: 11 | IPv6: 1| Netblock | IP Count |
|---|---|
| 81.173.125.0/24 | 256 |
| 2a03:be00::/32 | 0 |
| 109.235.32.0/21 | 2.0K |
| 185.61.68.0/22 | 1.0K |
| 81.173.7.0/24 | 256 |
| 81.173.32.0/22 | 1.0K |
| 81.173.0.0/22 | 1.0K |
| 81.173.96.0/22 | 1.0K |
| 81.173.126.0/23 | 512 |
| 81.173.48.0/20 | 4.1K |
| 81.173.64.0/20 | 4.1K |
| 81.23.244.0/22 | 1.0K |
Prefix data from RIPE Stat / RIR allocation records.
📄 WHOIS
RIPE NCC| Handle | AS50522 |
| Name | SEWAN-NL |
| Organization | Sewan Nederland B.V. |
| Status | active |
| Allocated | Feb 02, 2010 |
| Updated | May 11, 2026 |
Contacts
| Registrant | Sewan Nederland B.V. |
| Abuse Contact | SEWAN-NL-NOC <abuse@sewan.nl> |
| Admin Contact | SEWAN-NL-NOC <abuse@sewan.nl> |
| Tech Contact | SEWAN-NL-NOC <abuse@sewan.nl> |
| Phone | +31880100799 |
| Address | Science Park 5218 5692 EG Son en Breugel NETHERLANDS |
Source: RIPE NCC
🔗 Peers
41 peers for this ASN| ASN | Name | Country |
|---|---|---|
| AS1031 | PEER 1031 LLC | - |
| AS12552 | GlobalConnect-AS12552 GlobalConnect AB | - |
| AS137409 | GSL Networks Pty LTD | - |
| AS15576 | NTS NTS workspace AG | - |
| AS15958 | CETIN_doo_AS CETIN Ltd. Belgrade | - |
| AS1764 | NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | - |
| AS20485 | TRANSTELECOM Joint Stock Company TransTeleCom | - |
| AS205103 | TELEGRAPH-AS Telegraph42 Management GmbH | - |
| AS20764 | RASCOM-AS CJSC RASCOM | - |
| AS209022 | Tschajera-Limited Tschajera Limited | - |
| AS22356 | Durand do Brasil Ltda | - |
| AS24961 | MYLOC-AS WIIT AG | - |
| AS29632 | NASSIST-AS Netassist International EOOD | - |
| AS30844 | LIQUID-AS Liquid Telecommunications Ltd | - |
| AS33891 | CORE-BACKBONE Core-Backbone GmbH | - |
| AS34177 | CELESTE-AS Celeste SAS | - |
| AS3462 | Data Communication Business Group | - |
| AS35280 | F5 F5 Networks SARL | - |
| AS37100 | SEACOM Limited | - |
| AS37468 | Angola Cables | - |
| AS37497 | Network Platforms (PTY) LTD | - |
| AS39249 | KICUA-AS Netassist International EOOD | - |
| AS41051 | FREETRANSIT Openfactory GmbH in Liquidation | - |
| AS41327 | FIBERTELECOM-AS Fiber Telecom S.p.A. | - |
| AS4455 | BSO IX Reach Ltd | - |
| AS48362 | TKSWF-AS Stadtwerke Feldkirch | - |
| AS48646 | STEFAN6 SDRmedia Verwaltungs GmbH | - |
| AS49917 | LSIX-AS LayerSwitch B.V. | - |
| AS50869 | FREEIX-REMOTE IPng Networks GmbH | - |
| AS5405 | INTERDOTLINK Inter.link GmbH | - |
| AS56911 | ASN-WARIAN Warian S.R.L. | - |
| AS5713 | Telkom SA Ltd. | - |
| AS58057 | SECUREBIT Securebit AG | - |
| AS60144 | THREE-W-INFRA-AS 3W Infra B.V. | - |
| AS6057 | Administracion Nacional de Telecomunicaciones | - |
| AS6204 | ZET-NET INTERKVM HOST SRL | - |
| AS6663 | TTI-NET Euroweb Romania S.R.L. | - |
| AS6696 | VERIXI VERIXI SA | - |
| AS7713 | PT Telekomunikasi Indonesia | - |
| AS8298 | IPNG IPng Networks GmbH | - |
| AS9044 | SOLNET BSE Software GmbH | - |
Peer data from RIPE Stat ASN neighbours.
⬆️ Upstreams
10 upstreams| ASN | Name |
|---|---|
| AS12779 | ITGATE IT.Gate S.p.A. |
| AS1299 | TWELVE99 Arelion Sweden AB |
| AS14840 | BR.Digital Telecom |
| AS20562 | OPEN-PEERING-AS Broadband Hosting B.V. |
| AS25091 | IP-Max IP-Max SA |
| AS3356 | Level 3 Parent, LLC |
| AS34019 | HIVANE Hivane Association |
| AS47147 | AS-ANX Anexia Cloud Solutions GmbH |
| AS6939 | Hurricane Electric LLC |
| AS8218 | NEO-ASN Zayo Infrastructure France SA |
Upstream data from RIPE Stat routing history.
⬇️ Downstreams
5 downstreams🔒 RPKI / ROA
Source: rpki.zorn.ltd| Prefix | Origin ASN | Max Length | Validity |
|---|---|---|---|
| 81.173.125.0/24 | AS50522 | /24 | ✓ Valid |
| 109.235.32.0/21 | AS50522 | /21 | ✓ Valid |
| 185.61.68.0/22 | AS50522 | /22 | ✓ Valid |
| 81.173.7.0/24 | AS50522 | /24 | ✓ Valid |
| 81.173.32.0/22 | AS50522 | /22 | ✓ Valid |
| 81.173.0.0/22 | AS50522 | /22 | ✓ Valid |
| 81.173.96.0/22 | AS50522 | /22 | ✓ Valid |
| 81.173.126.0/23 | AS50522 | /23 | ✓ Valid |
| 81.173.48.0/20 | AS50522 | /20 | ✓ Valid |
| 81.173.64.0/20 | AS50522 | /20 | ✓ Valid |
| 81.23.244.0/22 | AS50522 | /22 | ✓ Valid |
RPKI validation powered by rpki.zorn.ltd (Routinator).