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AS553 BELWUE Universitaet Stuttgart

BELWUE Universitaet Stuttgart · registered in Germany

IPv4 addresses2,109,696112 prefixes · 0.067% of announced IPv4
Rank in Germany#7largest network in DE by IPv4 space, of 2,315 · 1.86% of DE
Rank worldwide#189of 79,396 networks with IPv4
IPv623 x /32 (1,572,848 x /48)17 prefixes
CountryGermany2,599 ASNs registered there
Open AS553 in ASN lookup Look up an IP in this network (45.90.132.1) All networks in Germany

IPv4 prefixes

All 112 prefixes, in address order.

  • 45.90.132.0/22
  • 129.69.0.0/16
  • 129.143.0.0/16
  • 129.206.0.0/16
  • 132.230.0.0/16
  • 134.2.0.0/16
  • 134.34.0.0/16
  • 134.60.0.0/16
  • 134.103.0.0/16
  • 134.108.0.0/16
  • 134.155.0.0/16
  • 141.7.0.0/16
  • 141.10.0.0/16
  • 141.18.0.0/15
  • 141.28.0.0/16
  • 141.31.0.0/16
  • 141.37.0.0/16
  • 141.47.0.0/16
  • 141.58.0.0/16
  • 141.59.0.0/17
  • 141.59.128.0/18
  • 141.59.192.0/19
  • 141.59.224.0/20
  • 141.59.248.0/21
  • 141.62.0.0/16
  • 141.68.0.0/15
  • 141.70.0.0/16
  • 141.72.0.0/17
  • 141.72.128.0/18
  • 141.72.192.0/18
  • 141.79.0.0/16
  • 141.87.0.0/16
  • 144.41.0.0/16
  • 147.142.0.0/16
  • 153.96.83.0/24
  • 161.42.0.0/16
  • 178.251.231.0/24
  • 185.134.84.0/22
  • 192.42.143.0/24
  • 192.52.0.0/19
  • 192.52.32.0/20
  • 192.52.48.0/23
  • 192.52.50.0/24
  • 192.67.208.0/24
  • 192.108.35.0/24
  • 192.108.36.0/22
  • 192.108.40.0/22
  • 192.108.44.0/24
  • 193.196.0.0/21
  • 193.196.8.0/23
  • 193.196.10.0/23
  • 193.196.12.0/23
  • 193.196.14.0/23
  • 193.196.16.0/20
  • 193.196.48.0/20
  • 193.196.64.0/18
  • 193.196.128.0/19
  • 193.196.160.0/22
  • 193.196.164.0/22
  • 193.196.168.0/21
  • 193.196.176.0/20
  • 193.196.192.0/18
  • 193.197.0.0/24
  • 193.197.1.0/24
  • 193.197.2.0/23
  • 193.197.4.0/23
  • 193.197.6.0/23
  • 193.197.8.0/22
  • 193.197.12.0/22
  • 193.197.16.0/22
  • 193.197.20.0/23
  • 193.197.22.0/23
  • 193.197.24.0/21
  • 193.197.32.0/19
  • 193.197.64.0/22
  • 193.197.68.0/23
  • 193.197.70.0/24
  • 193.197.71.0/24
  • 193.197.72.0/21
  • 193.197.80.0/22
  • 193.197.84.0/22
  • 193.197.88.0/22
  • 193.197.92.0/23
  • 193.197.94.0/24
  • 193.197.95.0/24
  • 193.197.96.0/20
  • 193.197.112.0/22
  • 193.197.116.0/22
  • 193.197.120.0/21
  • 193.197.128.0/23
  • 193.197.130.0/24
  • 193.197.131.0/24
  • 193.197.132.0/22
  • 193.197.136.0/21
  • 193.197.144.0/22
  • 193.197.148.0/23
  • 193.197.150.0/23
  • 193.197.152.0/22
  • 193.197.156.0/23
  • 193.197.158.0/23
  • 193.197.160.0/22
  • 193.197.164.0/22
  • 193.197.168.0/21
  • 193.197.176.0/21
  • 193.197.184.0/21
  • 193.197.192.0/20
  • 193.197.208.0/22
  • 193.197.212.0/24
  • 193.197.213.0/24
  • 193.197.214.0/23
  • 193.197.216.0/21
  • 193.197.224.0/19

IPv6 prefixes

All 17 prefixes.

  • 2001:7c0::/35
  • 2001:7c0:2000::/39
  • 2001:7c0:2200::/40
  • 2001:7c0:2300::/44
  • 2001:7c0:2320::/43
  • 2001:7c0:2340::/42
  • 2001:7c0:2380::/41
  • 2001:7c0:2400::/38
  • 2001:7c0:2800::/37
  • 2001:7c0:3000::/36
  • 2001:7c0:4000::/34
  • 2001:7c0:8000::/33
  • 2001:7c1::/32
  • 2001:7c2::/31
  • 2001:7c4::/30
  • 2a06:ec00::/29
  • 2a0e:3c0::/29

Similar-sized networks in Germany

ASNNameIPv4 addresses
AS6805#4 TDDE-ASN1 Telefonica Germany GmbH & Co.OHG8,351,488
AS680#5 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.7,676,160
AS24940#6 HETZNER-AS Hetzner Online GmbH3,237,374
AS8881#8 VERSATEL 1&1 Versatel GmbH1,818,624
AS9145#9 EWETEL EWE TEL GmbH921,088
AS20676#10 PLUSNET Plusnet GmbH918,016

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources