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AS201011 CORE-BACKBONE Core-Backbone GmbH

CORE-BACKBONE Core-Backbone GmbH · registered in Germany

IPv4 addresses33,79222 prefixes · 0.001% of announced IPv4
Rank in Germany#167largest network in DE by IPv4 space, of 2,315 · 0.03% of DE
Rank worldwide#4,667of 79,396 networks with IPv4
IPv615 x /32 (1,048,573 x /48)60 prefixes
CountryGermany2,599 ASNs registered there
Open AS201011 in ASN lookup Look up an IP in this network (2.59.28.1) All networks in Germany

IPv4 prefixes

All 22 prefixes, in address order.

  • 2.59.28.0/22
  • 5.56.16.0/21
  • 31.7.176.0/23
  • 31.7.178.0/23
  • 31.7.180.0/22
  • 31.7.184.0/21
  • 80.255.0.0/20
  • 81.95.0.0/20
  • 82.199.128.0/20
  • 82.199.144.0/22
  • 82.199.148.0/23
  • 82.199.150.0/23
  • 82.199.152.0/21
  • 83.142.80.0/21
  • 91.194.237.0/24
  • 92.43.104.0/21
  • 93.159.208.0/21
  • 102.222.214.0/24
  • 185.103.8.0/22
  • 185.247.150.0/24
  • 193.104.251.0/24
  • 195.138.248.0/21

IPv6 prefixes

All 60 prefixes.

  • 2a01:4a0::/46
  • 2a01:4a0:4::/48
  • 2a01:4a0:6::/47
  • 2a01:4a0:8::/46
  • 2a01:4a0:c::/47
  • 2a01:4a0:e::/48
  • 2a01:4a0:f::/48
  • 2a01:4a0:10::/47
  • 2a01:4a0:12::/48
  • 2a01:4a0:13::/48
  • 2a01:4a0:14::/46
  • 2a01:4a0:18::/46
  • 2a01:4a0:1c::/47
  • 2a01:4a0:1e::/48
  • 2a01:4a0:1f::/48
  • 2a01:4a0:20::/44
  • 2a01:4a0:30::/48
  • 2a01:4a0:31::/48
  • 2a01:4a0:32::/47
  • 2a01:4a0:34::/46
  • 2a01:4a0:38::/48
  • 2a01:4a0:39::/48
  • 2a01:4a0:3a::/47
  • 2a01:4a0:3c::/46
  • 2a01:4a0:40::/46
  • 2a01:4a0:44::/46
  • 2a01:4a0:48::/45
  • 2a01:4a0:50::/48
  • 2a01:4a0:51::/48
  • 2a01:4a0:52::/47
  • 2a01:4a0:54::/47
  • 2a01:4a0:56::/48
  • 2a01:4a0:57::/48
  • 2a01:4a0:58::/45
  • 2a01:4a0:60::/43
  • 2a01:4a0:80::/41
  • 2a01:4a0:100::/40
  • 2a01:4a0:200::/39
  • 2a01:4a0:400::/38
  • 2a01:4a0:800::/37
  • 2a01:4a0:1000::/36
  • 2a01:4a0:2003::/48
  • 2a01:4a0:2004::/46
  • 2a01:4a0:2008::/45
  • 2a01:4a0:2010::/44
  • 2a01:4a0:2020::/43
  • 2a01:4a0:2040::/42
  • 2a01:4a0:2080::/41
  • 2a01:4a0:2100::/40
  • 2a01:4a0:2200::/39
  • 2a01:4a0:2400::/38
  • 2a01:4a0:2800::/37
  • 2a01:4a0:3000::/36
  • 2a01:4a0:4000::/34
  • 2a01:4a0:8000::/33
  • 2a01:4a1::/32
  • 2a01:4a2::/31
  • 2a01:4a4::/30
  • 2a03:2a00:10::/48
  • 2a05:e0c0::/29

Similar-sized networks in Germany

ASNNameIPv4 addresses
AS41585#164 ELEMENTMEDIA ELEMENTMEDIA GmbH34,560
AS51978#165 WEMACOM WEMACOM Telekommunikation GmbH34,304
AS12374#166 LFNET-AS01 LF.net Netzwerksysteme GmbH34,048
AS9099#168 FinanzInformatik-AS-Nord Finanz Informatik GmbH & Co. KG33,536
AS212795#169 SIT-ATHENE Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.33,536
AS6735#170 SDTNET TNG Stadtnetz GmbH33,024

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