Core-Backbone GmbH

Data as of 2026-09-06
GLEIF verified
LEI
2549001QHHVX9WJEEA81
Registered name
Core-Backbone GmbH
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks459 · 42,017 IPv4 addresses
IPv6 312 prefixes (largest 2a01:4a0::/29)
Registered in Germany (127) · Spain (10) · AG (3) · United Kingdom (2) · Czechia (2) · Italy (2)
Also registered under this name 512 netblocks across 23 separate records
Record ID236109165
RegistryBGP
Owner jurisdictionDE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 2549001QHHVX9WJEEA81
Shared handles clustered on 19 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (459)

⬇ export CSV
CIDR Org name Registry Status Confidence
2.59.28.0/22 Core-Backbone GmbH BGP ANNOUNCED ● high
5.56.16.0/21 Core-Backbone GmbH BGP ANNOUNCED ● high
5.57.82.220/32 Core-Backbone PEERINGDB ASSIGNED ● high
27.111.228.116/32 Core-Backbone PEERINGDB ASSIGNED ● high
31.7.176.0/20 Core-Backbone GmbH BGP ANNOUNCED ● high
31.7.177.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
37.49.237.55/32 Core-Backbone PEERINGDB ASSIGNED ● high
45.153.58.72/32 Core-Backbone GmbH BGP ANNOUNCED ● high
80.81.192.187/32 Core-Backbone PEERINGDB ASSIGNED ● high
80.81.195.147/32 Core-Backbone PEERINGDB ASSIGNED ● high
80.249.209.128/32 Core-Backbone PEERINGDB ASSIGNED ● high
80.255.0.0/20 Core-Backbone GmbH BGP ANNOUNCED ● high
81.95.0.0/20 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.128.0/19 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.130.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.131.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.147.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.148.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.149.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.157.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.158.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
82.199.159.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
83.142.80.0/21 Core-Backbone GmbH BGP ANNOUNCED ● high
91.194.237.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
91.206.52.191/32 Core-Backbone PEERINGDB ASSIGNED ● high
91.210.16.147/32 Core-Backbone PEERINGDB ASSIGNED ● high
91.232.96.0/23 Core-Backbone GmbH BGP ANNOUNCED ● high
92.43.104.0/21 Core-Backbone GmbH BGP ANNOUNCED ● high
93.159.208.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
93.159.209.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
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93.159.213.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
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93.159.215.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
101.203.78.58/32 Core-Backbone PEERINGDB ASSIGNED ● high
102.222.214.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
130.185.104.0/24 Core-Backbone GmbH RIPE ASSIGNED PA ● high
130.185.104.0/21 Core-Backbone GmbH BGP ANNOUNCED ● high
130.185.105.0/25 Core-Backbone GmbH RIPE ASSIGNED PA ● high
130.185.105.128/25 Core-Backbone GmbH RIPE ASSIGNED PA ● high
130.185.106.0/24 Core-Backbone GmbH RIPE ASSIGNED PA ● high
130.185.107.0/24 Core-Backbone GmbH RIPE ASSIGNED PA ● high
130.185.108.16/28 Core-Backbone GmbH RIPE ASSIGNED PA ● high
130.185.108.32/28 Core-Backbone GmbH RIPE ASSIGNED PA ● high
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130.185.108.64/27 Core-Backbone GmbH RIPE ASSIGNED PA ● high
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130.185.109.192/26 Core-Backbone GmbH RIPE ASSIGNED PA ● high
178.18.225.95/32 Core-Backbone PEERINGDB ASSIGNED ● high
178.18.230.13/32 Core-Backbone PEERINGDB ASSIGNED ● high
178.18.236.132/32 Core-Backbone PEERINGDB ASSIGNED ● high
185.0.20.30/32 Core-Backbone PEERINGDB ASSIGNED ● high
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185.1.170.1/32 Core-Backbone PEERINGDB ASSIGNED ● high
185.1.192.133/32 Core-Backbone PEERINGDB ASSIGNED ● high
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185.1.210.36/32 Core-Backbone PEERINGDB ASSIGNED ● high
185.24.68.0/24 Core-Backbone GmbH RIPE SUB-ALLOCATED PA ● high
185.24.68.0/22 Core-Backbone GmbH BGP ANNOUNCED ● high
185.24.68.0/26 Core-Backbone GmbH RIPE ASSIGNED PA ● high
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185.24.68.128/28 Core-Backbone GmbH RIPE ASSIGNED PA ● high
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185.24.68.160/27 Core-Backbone GmbH RIPE ASSIGNED PA ● high
185.24.68.192/26 Core-Backbone GmbH RIPE ASSIGNED PA ● high
185.24.69.0/26 Core-Backbone GmbH RIPE ASSIGNED PA ● high
185.24.69.0/24 Core-Backbone GmbH RIPE SUB-ALLOCATED PA ● high
185.24.69.128/26 Core-Backbone GmbH RIPE ASSIGNED PA ● high
185.24.69.192/26 Core-Backbone GmbH RIPE ASSIGNED PA ● high
185.24.70.0/24 Core-Backbone GmbH RIPE SUB-ALLOCATED PA ● high
185.24.71.0/24 Core-Backbone GmbH RIPE SUB-ALLOCATED PA ● high
185.103.8.0/22 Core-Backbone GmbH BGP ANNOUNCED ● high
185.108.216.0/22 Core-Backbone GmbH BGP ANNOUNCED ● high
185.108.217.208/28 Core-Backbone GmbH RIPE ASSIGNED PA ● high
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185.169.24.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
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185.247.150.0/24 Core-Backbone GmbH BGP ANNOUNCED ● high
193.34.203.215/32 Core-Backbone PEERINGDB ASSIGNED ● high
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193.138.31.27/32 Core-Backbone PEERINGDB ASSIGNED ● high
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195.138.240.0/28 Core-Backbone GmbH RIPE ASSIGNED PA ● high
195.138.240.0/21 Core-Backbone GmbH BGP ANNOUNCED ● high
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195.138.241.0 – 195.138.242.255 Core-Backbone GmbH RIPE ASSIGNED PA ● high
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195.138.248.0/21 Core-Backbone GmbH BGP ANNOUNCED ● high
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2001:de8:4::3:3891:1/128 Core-Backbone PEERINGDB ASSIGNED ● high
2403:c780:7200:b078:0:3:3891:1/128 Core-Backbone PEERINGDB ASSIGNED ● high
2a01:4a0::/29 Core-Backbone GmbH BGP ANNOUNCED ● high
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2a03:5f80:4::225:95/128 Core-Backbone PEERINGDB ASSIGNED ● high
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2a03:5f80:7::230:13/128 Core-Backbone PEERINGDB ASSIGNED ● high
2a05:e0c0::/29 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b00::/48 Core-Backbone GmbH RIPE ASSIGNED ● high
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2a06:4b01:336b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:336c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:336d::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:336e::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:336f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3370::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3371::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3372::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3373::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3374::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3375::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3376::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3377::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3378::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3379::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:337a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3380::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:33c0::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:33c5::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:33e0::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:33e8::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:33ec::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:33f0::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:33f8::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:33fc::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3400::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3404::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3405::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:340c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3418::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:341a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:341b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:341d::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:341e::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:341f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3420::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3421::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3422::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3423::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3426::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3427::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3428::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3429::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:342a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:342b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:342c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:342d::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:342e::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:342f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3430::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3431::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3432::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3433::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3435::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3436::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3437::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3438::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3439::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:343a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:343b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:343c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:345a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:345b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3478::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3480::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:34c0::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:34ec::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:34f0::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:350c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3515::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3516::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3518::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3519::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:351a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:351b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:351d::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:351e::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:351f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3520::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3521::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3522::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3523::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3526::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3527::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
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2a06:4b01:3529::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:352a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:352b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:352c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:352d::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:352e::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:352f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3530::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3531::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3532::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3533::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3535::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
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2a06:4b01:3538::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3539::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:353a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:353b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:353c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:353d::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:353e::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:353f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3540::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3541::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3542::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3544::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3545::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3546::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3547::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3549::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:354a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:354b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:354c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:354d::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:354e::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:354f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3551::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
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2a06:4b01:3558::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3559::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:355a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:355b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:355c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
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2a06:4b01:355f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3560::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3561::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
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2a06:4b01:3563::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
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2a06:4b01:3567::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3568::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3569::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:356a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:356b::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:356c::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:356d::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:356e::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:356f::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3570::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3571::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3572::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3573::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3574::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3575::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3576::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3577::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3578::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3579::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:357a::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:3580::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:35c0::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:35c5::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:35e0::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:35e8::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:35ec::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:35f0::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:35f8::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
2a06:4b01:35fc::/48 Core-Backbone GmbH BGP ANNOUNCED ● high
80.255.5.128/27 CORE-BACKBONE RIPE ASSIGNED PA ● low
82.199.134.0/27 CORE-BACKBONE RIPE ASSIGNED PA ● low
185.89.36.0/22 Core-Backbone GmbH RIPE ALLOCATED PA ● low
195.138.240.0/20 Core-Backbone GmbH RIPE ALLOCATED PA ● low

IPv6 ranges (312)

showing the 15 largest allocations

Footprint over time

11 weekly snapshots · JSON
476 +20 netblocks since 2026-07-05
2026-07-05 peak 476 2026-09-06

Domains hosted in this network

what's this?

Customer-delegated space

how is this classified?
Unclassified 412 (89.8%)
Operator infrastructure (named) 64 (13.9%)

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.1% of checked blocks have valid RPKI ROA coverage (448 of 476)
No discrepancies found among checked blocks.

NIC Handles

AS201011 AS33891 AS33891 AS51191 CORE-BACKBONE CORE-BACKBONE CSPIT DUMY-RIPE DUMY-RIPE MITTWALD-MNT NETZBETRIEB ORG-IICG1-RIPE +7 more