DFN
Aggregated across every cluster whose name starts with "DFN" — a single company can be split across many separate clusters (per-datacenter, per-country, or per-subsidiary naming), so this view sums the true total rather than understating it with a single cluster's count.
121
Total ranges
23
Matched clusters
Matched clusters
Ranges (121)
showing 1–100 of 121 — ⬇ export CSV| CIDR | Org name | Cluster | Registry | Status | Confidence |
|---|---|---|---|---|---|
| 27.131.12.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 27.131.13.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 27.131.14.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 27.131.15.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 45.127.244.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 45.127.245.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 45.127.246.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 45.127.247.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 74.116.128.0/21 | DFN Systems | DFN Systems | ARIN | DIRECT ALLOCATION | ● low |
| 80.81.192.222/32 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 80.81.193.222/32 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 88.205.100.52/30 | DFN-NET | DFN-NET | RIPE | ASSIGNED PA | ● medium |
| 103.81.196.0/22 | DFN Media | DFN Media | APNIC | ALLOCATED PORTABLE | ● low |
| 103.81.196.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.81.197.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.81.198.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.81.199.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.136.158.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.196.232.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.196.233.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.196.234.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.196.235.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 103.206.17.0/24 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 141.39.219.0/24 | DFN-MSP | DFN-MSP | RIPE | LEGACY | ● low |
| 185.1.210.118/32 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 192.108.49.0/24 | DFN-NETS-2 | DFN-NETS-2 | RIPE | LEGACY | ● high |
| 192.129.1.0 – 192.129.9.255 | DFN-NETS-5 | DFN-NETS-5 | RIPE | LEGACY | ● low |
| 192.129.15.0 – 192.129.23.255 | DFN-NETS-5 | DFN-NETS-5 | RIPE | LEGACY | ● low |
| 192.129.31.0/24 | DFN-SERVICE | DFN-SERVICE | RIPE | LEGACY | ● high |
| 193.174.1.0 – 193.174.1.159 | DFN-T-NET | DFN-T-NET | RIPE | ASSIGNED PA | ● medium |
| 193.174.1.160/28 | DFN-NOC | DFN-NOC | RIPE | ASSIGNED PA | ● low |
| 193.174.1.192/29 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.174.1.224/27 | DFN-MSP | DFN-MSP | RIPE | ASSIGNED PA | ● low |
| 193.174.3.192/26 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 193.174.10.0/26 | DFN-GTS | DFN-GTS | RIPE | ASSIGNED PA | ● low |
| 193.174.247.0/24 | DFN-NOC | DFN-NOC | RIPE | ASSIGNED PA | ● low |
| 193.175.2.0/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.4/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.8/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.12/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.16/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.20/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.24/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.28/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.32/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.36/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.2.248/29 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.175.5.64/26 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 193.175.76.0/22 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 193.175.200.128/29 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 193.178.185.42/32 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 194.94.98.176/29 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 194.94.98.184/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 194.94.98.188/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 194.94.98.192/26 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 194.94.128.0/22 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 194.94.252.0/24 | DFN-GS-S | DFN-GS-S | RIPE | ASSIGNED PA | ● medium |
| 194.95.197.128/26 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 194.95.224.0 – 194.95.249.255 | DFN-SERVICES | DFN-SERVICES | RIPE | ASSIGNED PA | ● low |
| 194.95.250.76/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 194.95.252.0/24 | DFN-GS-B | DFN-GS-B | RIPE | ASSIGNED PA | ● medium |
| 194.113.208.0/24 | DFN-CERT Services GmbH | DFN-CERT Services GmbH | RIPE | ASSIGNED PI | ● high |
| 194.146.118.60/32 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 195.37.11.64/26 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 195.37.61.224/27 | DFN-NOC | DFN-NOC | RIPE | ASSIGNED PA | ● low |
| 195.37.142.72/29 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 195.37.186.32/28 | DFN-SOC | DFN-SOC | RIPE | ASSIGNED PA | ● medium |
| 195.37.186.132/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 195.37.186.160/28 | DFN-VDI-TZ | DFN-VDI-TZ | RIPE | ASSIGNED PA | ● medium |
| 195.37.189.64/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 195.37.191.32/28 | DFN-SGS | DFN-SGS | RIPE | ASSIGNED PA | ● medium |
| 195.37.191.60/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 195.37.209.100/30 | DFN-NOC | DFN-NOC | RIPE | ASSIGNED PA | ● low |
| 195.37.209.112/30 | DFN-NOC | DFN-NOC | RIPE | ASSIGNED PA | ● low |
| 195.37.209.192/26 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 195.37.231.60/30 | DFN-VEREIN | DFN-VEREIN | RIPE | ASSIGNED PA | ● medium |
| 195.37.232.224/28 | DFN-NOC | DFN-NOC | RIPE | ASSIGNED PA | ● low |
| 195.37.234.60/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 195.37.234.64/27 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 195.37.234.136/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 195.37.244.0/22 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 199.83.116.0/22 | DFN Systems | DFN Systems | BGP | ANNOUNCED | ● high |
| 208.99.24.0/22 | DFN Systems | DFN Systems | ARIN | DIRECT ALLOCATION | ● low |
| 212.201.94.128/26 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 212.201.100.192/26 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 212.201.139.80/30 | DFN-ROAMING | DFN-ROAMING | RIPE | ASSIGNED PA | ● low |
| 212.201.192.0/22 | DFN-SECURITY | DFN-SECURITY | RIPE | ASSIGNED PA | ● low |
| 212.201.255.0/24 | DFN-LAB | DFN-LAB | RIPE | ASSIGNED PA | ● medium |
| 2001:638:d::/48 | DFN-SERVICES | DFN-SERVICES | RIPE | ASSIGNED | ● low |
| 2001:638:823::/48 | DFN-GTS | DFN-GTS | RIPE | ASSIGNED | ● low |
| 2001:7f8::2a8:0:1/128 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8::2a8:0:2/128 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:8::2a8:0:1/128 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:19:1::2a8:1/128 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:3d::2a8:0:1/128 | DFN Deutsches Forschungsnetz e.V. | DFN Deutsches Forschungsnetz e.V. | PEERINGDB | ASSIGNED | ● high |
| 2400:7c40::/32 | DFN Media | DFN Media | APNIC | ALLOCATED PORTABLE | ● low |
| 2401:c5c0::/48 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2401:c5c0:1::/48 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2401:c5c0:2::/48 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
| 2401:c5c0:3::/48 | DFN-BD | DFN-BD | APNIC | ALLOCATED NON-PORTABLE | ● low |
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Uses the REST API.