AS51191 XIRRA Core-Backbone GmbH

XIRRA Core-Backbone GmbH · registered in Germany

IPv4 addresses7,1689 prefixes · <0.001% of announced IPv4

Rank in Germany#438largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#11,356of 79,396 networks with IPv4

IPv68 x /32 (524,291 x /48)139 prefixes

CountryGermany2,599 ASNs registered there

Open AS51191 in ASN lookup Look up an IP in this network (91.232.96.1) All networks in Germany

IPv4 prefixes

All 9 prefixes, in address order.

91.232.96.0/23
130.185.104.0/21
185.24.68.0/22
185.108.216.0/22
185.169.24.0/23
195.138.240.0/22
195.138.244.0/24
195.138.245.0/24
195.138.246.0/23

IPv6 prefixes

All 139 prefixes.

2a01:4a0:2000::/47
2a01:4a0:2002::/48
2a06:4b00::/32
2a06:4b01::/35
2a06:4b01:2000::/36
2a06:4b01:3000::/39
2a06:4b01:3200::/40
2a06:4b01:3300::/43
2a06:4b01:3320::/46
2a06:4b01:3324::/46
2a06:4b01:3328::/45
2a06:4b01:3330::/44
2a06:4b01:3340::/46
2a06:4b01:3344::/48
2a06:4b01:3345::/48
2a06:4b01:3346::/47
2a06:4b01:3348::/46
2a06:4b01:334c::/48
2a06:4b01:334d::/48
2a06:4b01:334e::/47
2a06:4b01:3350::/44
2a06:4b01:3360::/45
2a06:4b01:3368::/46
2a06:4b01:336c::/46
2a06:4b01:3370::/44
2a06:4b01:3380::/48
2a06:4b01:3381::/48
2a06:4b01:3382::/47
2a06:4b01:3384::/46
2a06:4b01:3388::/45
2a06:4b01:3390::/44
2a06:4b01:33a0::/43
2a06:4b01:33c0::/48
2a06:4b01:33c1::/48
2a06:4b01:33c2::/47
2a06:4b01:33c4::/47
2a06:4b01:33c6::/47
2a06:4b01:33c8::/45
2a06:4b01:33d0::/44
2a06:4b01:33e0::/47
2a06:4b01:33e2::/48
2a06:4b01:33e3::/48
2a06:4b01:33e4::/46
2a06:4b01:33e8::/45
2a06:4b01:33f0::/44
2a06:4b01:3400::/48
2a06:4b01:3401::/48
2a06:4b01:3402::/47
2a06:4b01:3404::/46
2a06:4b01:3408::/46
2a06:4b01:340c::/48
2a06:4b01:340d::/48
2a06:4b01:340e::/47
2a06:4b01:3410::/44
2a06:4b01:3420::/44
2a06:4b01:3430::/46
2a06:4b01:3434::/46
2a06:4b01:3438::/45
2a06:4b01:3440::/44
2a06:4b01:3450::/46
2a06:4b01:3454::/47
2a06:4b01:3456::/47
2a06:4b01:3458::/46
2a06:4b01:345c::/46
2a06:4b01:3460::/44
2a06:4b01:3470::/45
2a06:4b01:3478::/45
2a06:4b01:3480::/42
2a06:4b01:34c0::/43
2a06:4b01:34e0::/47
2a06:4b01:34e2::/48
2a06:4b01:34e3::/48
2a06:4b01:34e4::/46
2a06:4b01:34e8::/47
2a06:4b01:34ea::/48
2a06:4b01:34eb::/48
2a06:4b01:34ec::/48
2a06:4b01:34ed::/48
2a06:4b01:34ee::/47
2a06:4b01:34f0::/48
2a06:4b01:34f1::/48
2a06:4b01:34f2::/47
2a06:4b01:34f4::/46
2a06:4b01:34f8::/47
2a06:4b01:34fa::/47
2a06:4b01:34fc::/46
2a06:4b01:3500::/43
2a06:4b01:3520::/46
2a06:4b01:3524::/46
2a06:4b01:3528::/45
2a06:4b01:3530::/44
2a06:4b01:3540::/46
2a06:4b01:3544::/48
2a06:4b01:3545::/48
2a06:4b01:3546::/47
2a06:4b01:3548::/46
2a06:4b01:354c::/48
2a06:4b01:354d::/48
2a06:4b01:354e::/47
2a06:4b01:3550::/44
2a06:4b01:3560::/45
2a06:4b01:3568::/46
2a06:4b01:356c::/46
2a06:4b01:3570::/47
2a06:4b01:3572::/48
2a06:4b01:3573::/48
2a06:4b01:3574::/48
2a06:4b01:3575::/48
2a06:4b01:3576::/47
2a06:4b01:3578::/45
2a06:4b01:3580::/48
2a06:4b01:3581::/48
2a06:4b01:3582::/47
2a06:4b01:3584::/46
2a06:4b01:3588::/45
2a06:4b01:3590::/44
2a06:4b01:35a0::/43
2a06:4b01:35c0::/48
2a06:4b01:35c1::/48
2a06:4b01:35c2::/47
2a06:4b01:35c4::/47
2a06:4b01:35c6::/47
2a06:4b01:35c8::/45
2a06:4b01:35d0::/44
2a06:4b01:35e0::/47
2a06:4b01:35e2::/48
2a06:4b01:35e3::/48
2a06:4b01:35e4::/46
2a06:4b01:35e8::/46
2a06:4b01:35ec::/48
2a06:4b01:35ed::/48
2a06:4b01:35ee::/47
2a06:4b01:35f0::/44
2a06:4b01:3600::/39
2a06:4b01:3800::/37
2a06:4b01:4000::/34
2a06:4b01:8000::/33
2a06:4b02::/31
2a06:4b04::/30

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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