ResearchRouting table, looking glass, RPKI & IRR

77.136.0.0/16 SFR SA

Announced by AS15557 SFR SA. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 77.136.0.0/16

Prefix
77.136.0.0/16
Origin
AS15557 LDCOMNET Societe Francaise Du Radiotelephone
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-12 08:02 UTC
Paths

How 77.136.0.0/16 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 174 15557
OriginAS15557 SFR SA
Origin codeIGP
Communities174:21101 174:22008 36601:150 36601:174 36601:2001
Updated4d 5h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 1299 15557
OriginAS15557 SFR SA
Origin codeIGP
Communities903:900 903:13760
Updated4d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6762 15557
OriginAS15557 SFR SA
Origin codeIGP
Communities36295:100
Updated4d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 15557
OriginAS15557 SFR SA
Origin codeIGP
Communities174:21101 174:22008
Updated4d 14h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 15557
OriginAS15557 SFR SA
Origin codeIGP
Communities174:21101 174:22008 36295:100 36295:174
Updated8d 7h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS15557 to originate 77.136.0.0/16 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
77.136.0.0/16/24AS15557 LDCOMNET Societe Francaise Du RadiotelephoneRIPE
77.136.0.0/16/24AS21502 ASN-NUMERICABLE Societe Francaise Du RadiotelephoneRIPE
77.136.0.0/16/24AS198949 RadwareRIPE
IRR

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
77.136.0.0/16AS15557 LDCOMNET Societe Francaise Du RadiotelephoneRIPESFR ALTICE FranceSFR-MNT
77.136.0.0/15 coveringAS198949 RadwareRADBSFRMAINT-AS198949
77.136.0.0/15 coveringAS15557 LDCOMNET Societe Francaise Du RadiotelephoneRIPESFRSFR-MNT
77.128.0.0/11 coveringAS198949 RadwareRADBSFRMAINT-AS198949
Tools

Check 77.136.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API