ResearchRouting table, looking glass, RPKI & IRR

74.4.0.0/15 CenturyLink Communications, LLC

Announced by AS209 CenturyLink Communications, LLC. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 74.4.0.0/15

Prefix
74.4.0.0/15
Origin
AS209 CENTURYLINK-US-LEGACY-QWEST
RPKI
RPKI not found
Size
131,072 addresses
Less specific
none
More specifics
29
IRR route objects
0 exact, 0 covering
In RouteViews
2026-10-13 17:13 UTC
Paths

How 74.4.0.0/15 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 209
OriginAS209 CenturyLink Communications, LLC
Origin codeIGP
Communities209:209 209:14520 3356:3 3356:22 3356:100 3356:123 3356:575 3356:903 3356:2013 36601:150 36601:2001 36601:13760
Updated5d 15h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 209
OriginAS209 CenturyLink Communications, LLC
Origin codeIGP
Communities903:900 903:13760
Updated5d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 209
OriginAS209 CenturyLink Communications, LLC
Origin codeIGP
Communities36295:100
Updated5d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 3356 209
OriginAS209 CenturyLink Communications, LLC
Origin codeIGP
Communities174:21000 174:22013
Updated5d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 209
OriginAS209 CenturyLink Communications, LLC
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 16h ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

More specific

Prefixes inside 74.4.0.0/15

29 announced prefixes fall inside this one.

Show the 29 prefixes
74.4.5.0/24 AS22561 CENTURYLINK-LEGACY-LIGHTCORE74.4.7.0/24 AS4284 CENTURYLINK-TSDS-FLTLHS74.4.8.0/24 AS11398 CENTURYLINK-LEGACY-EMBARQ-LVGS74.4.9.0/24 AS4283 CENTURYLINK-TSDS-LSVG74.4.10.0/24 AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK74.4.11.0/24 AS4282 CENTURYLINK-TSDS-FLFTMY74.4.12.0/24 AS13787 CENTURYLINK-LEGACY-EMBARQ-JCTY74.4.13.0/24 AS13787 CENTURYLINK-LEGACY-EMBARQ-JCTY74.4.16.0/21 AS22561 CENTURYLINK-LEGACY-LIGHTCORE74.4.31.0/24 AS54274 AS5427474.4.48.0/20 AS209 CENTURYLINK-US-LEGACY-QWEST74.4.96.0/20 AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK74.4.104.0/22 AS209 CENTURYLINK-US-LEGACY-QWEST74.4.108.0/23 AS209 CENTURYLINK-US-LEGACY-QWEST74.4.110.0/24 AS209 CENTURYLINK-US-LEGACY-QWEST74.4.160.0/20 AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK74.4.176.0/21 AS14921 CENTURYLINK-LEGACY-EMBARQ-HDRV74.4.192.0/19 AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK74.4.240.0/21 AS19901 BRIGHTSPEED74.5.0.0/19 AS19901 BRIGHTSPEED74.5.64.0/19 AS17402 CENTURYLINK-LEGACY-EMBARQ-CHSK74.5.124.0/24 AS19901 BRIGHTSPEED74.5.128.0/19 AS19901 BRIGHTSPEED74.5.168.0/21 AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK74.5.192.0/21 AS13787 CENTURYLINK-LEGACY-EMBARQ-JCTY74.5.200.0/21 AS22561 CENTURYLINK-LEGACY-LIGHTCORE74.5.208.0/21 AS17402 CENTURYLINK-LEGACY-EMBARQ-CHSK74.5.224.0/19 AS2379 CENTURYLINK-LEGACY-EMBARQ-WNPK74.5.247.0/24 AS209 CENTURYLINK-US-LEGACY-QWEST
Tools

Check 74.4.0.0/15 live

Looking glassIP to ASN APIRPKI APIIRR API