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| CIDR range | Maintainer | Description | Source |
|---|---|---|---|
| 38.65.152.0/21 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 131.72.212.0/22 | MAINT-AS32098 | Customer Cablemas | RADB |
| 131.161.244.0/22 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.236.0.0/14 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.0.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.16.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.32.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.48.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.64.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.80.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.90.0/23 | MAINT-AS32098 | Customer Bestel | RADB |
| 177.237.96.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.112.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 177.237.116.0/23 | MAINT-AS32098 | Customer Bestel | RADB |
| 187.184.0.0/15 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.185.64.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.185.71.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.185.157.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.185.158.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.185.159.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.185.208.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.252.0.0/15 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.252.32.0/19 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.252.50.0/23 | MAINT-AS32098 | Customer Bestel | RADB |
| 187.252.84.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.253.2.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.253.144.0/21 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.253.176.0/23 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.253.178.0/23 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.253.180.0/23 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.253.182.0/23 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 187.253.184.0/21 | MAINT-AS32098 | Customer Bestel | RADB |
| 187.253.184.0/23 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.202.0.0/17 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.202.96.0/22 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.202.100.0/22 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.202.112.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.214.0.0/15 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.214.80.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.214.92.0/23 | MAINT-AS32098 | Customer Bestel | RADB |
| 189.214.94.0/23 | MAINT-AS32098 | Customer Bestel | RADB |
| 189.215.48.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.215.64.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.215.135.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.215.200.0/24 | MAINT-AS32098 | Customer Bestel | RADB |
| 189.220.0.0/15 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.221.96.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.221.112.0/21 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.221.120.0/22 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.221.124.0/22 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.221.128.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.221.144.0/21 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 189.221.248.0/21 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.34.142.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.77.192.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.77.208.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.79.192.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.79.208.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.79.224.0/19 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.79.224.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.79.224.0/20 | LEVEL3-MNT | Proxy-registered route object | LEVEL3 |
| 200.79.240.0/20 | MAINT-AS32098 | Customer Bestel | RADB |
| 200.79.240.0/24 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.94.160.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.95.128.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 200.95.144.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.139.64.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.139.128.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.140.64.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.140.192.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.150.64.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.150.128.0/20 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.160.0.0/17 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.160.128.0/17 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.166.0.0/17 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.166.16.0/21 | LEVEL3-MNT | Proxy-registered route object | LEVEL3 |
| 201.166.16.0/21 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 201.166.24.0/21 | MAINT-AS32098 | Customer Bestel | RADB |
| 201.166.24.0/22 | MAINT-AS23520 | COLUMBUS NETWORKS TRANSIT CUSTOMERS | RADB |
| 2806:250:300::/45 | MAINT-AS18734 | Rutan Cancún IPV6 | RADB |
| 2806:250:c00::/40 | MAINT-AS18734 | PREFIJO IZZI CANCUN IPV6 | RADB |