AS51519 tags prefixes that are learned or originated as follows:
| Prefix type | Community | Large Community |
|---|---|---|
| Prefix learned from Transit | 51519:200 | 51519:200:Transit ASN |
| Prefix learned from Public Peer | 51519:300 | 51519:300:Perring DB IXP ID |
| Prefix learned from IXP | 51519:310 | 51519:310:Perring DB IXP ID |
| Prefix learned from Private Peer | 51519:350 | 51519:350:Peer ASN |
| Prefix learned from Peer | 51519:Peer ASN | 51519:320:Peer ASN |
| Prefix originated by AS51519 | 51519:100 | 51519:100 :0 |
| Prefix originated by other Karabro controlled ASN | 51519:120 | 51519:120:Karabro controlled ASN |
| Prefix originated by Customer | 51519:400 | 51519:400:Customer ASN |
| Prefix originated by Customer with BGP Access | 51519:410 | 51519:410:BGP Access ASN |
| Prefix originated by Customer with Private ASN | 51519:420 | 51519:420:Random Unique ID |