Routegraphs
Route Grapher
Quick reference: largest ASes
| ASN | Peer count |
|---|---|
| 4242423914 | 353 |
| 4242421588 | 204 |
| 4242422189 | 163 |
| 4242423035 | 136 |
| 4242421080 | 129 |
| 4242421816 | 120 |
| 4242422717 | 117 |
| 4242423088 | 108 |
| 4242420207 | 102 |
| 4242422923 | 86 |
| 4201272923 | 85 |
| 4242422601 | 78 |
| 4242421817 | 78 |
| 4242422547 | 71 |
Origin ASNs for 172.21.83.64/26
| Origin ASNs | ROA valid? | Globally visible? |
|---|---|---|
| 4242421933 | ❌ | ✅ |
| 4242421955 | ✅ | ✅ |
Known ROA entries for 172.21.83.64/26
| ROA entry | ASN | Max allowed length |
|---|---|---|
| 172.21.83.64/26 | 4242421955 | 29 |
Sample Queries
Notes
This tool uses MRT dumps from the dn42 Global Route Collector (GRC).
- Blue: selected source ASN
- Green: origin ASN, passing ROA
- Red: origin ASN, failing ROA
- Solid line: this adjacency is known to exist from GRC paths
- Dashed line: guessed path; source ASN has no route to this prefix visible to the GRC