2607:73c0::/33 Cityside Fiber
Announced by AS18731 Cityside Fiber. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 2607:73c0::/33
Prefix
Origin
AS18731 CITYSIDE-01
RPKI
RPKI valid
Size
2,147,483,648 /64s
Less specific
More specifics
0
IRR route objects
0 exact, 1 covering
In RouteViews
2026-10-12 20:06 UTC
Paths
How 2607:73c0::/33 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 13760 3356 18731
| Origin | AS18731 Cityside Fiber |
| Origin code | IGP |
| Communities | 3356:3 3356:22 3356:100 3356:123 3356:575 3356:601 3356:901 3356:2038 36601:150 36601:2001 |
| Updated | 4d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 18731
| Origin | AS18731 Cityside Fiber |
| Origin code | IGP |
| Communities | 903:13760 |
| Updated | 5d 3h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 18731
| Origin | AS18731 Cityside Fiber |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 3h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS18731 to originate 2607:73c0::/32 up to /48. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 2607:73c0::/32 | /48 | AS18731 CITYSIDE-01 | ARIN |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 2607:73c0::/32 covering | AS18731 CITYSIDE-01 | ARIN | 100 Spectrum Center Dr suite 500 Irvine CA 92618 United States | MNT-CNL-178 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.