ResearchRouting table, looking glass, RPKI & IRR

167.165.0.0/16 City of Chicago

Announced by AS394534 City of Chicago. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 167.165.0.0/16

Prefix
167.165.0.0/16
Origin
AS394534 CITYOFCHICAGO-ASN-01
RPKI
RPKI not found
Size
65,536 addresses
Less specific
none
More specifics
9
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-12 16:02 UTC
Paths

How 167.165.0.0/16 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 13760 3356 6079 394534×6
OriginAS394534 City of Chicago
Origin codeIGP
Communities3356:3 3356:22 3356:100 3356:123 3356:575 3356:903 3356:2042 6079:6079 36601:150 36601:2001 36601:13760 65004:2914
Updated3d 0h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 6079 394534×6
OriginAS394534 City of Chicago
Origin codeIGP
Communities903:900 903:13760
Updated4d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6079 394534×6
OriginAS394534 City of Chicago
Origin codeIGP
Communities36295:100
Updated4d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 6079 394534×6
OriginAS394534 City of Chicago
Origin codeIGP
Communitiesnone
Updated4d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 6079 394534×6
OriginAS394534 City of Chicago
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated8d 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.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
167.165.0.0/16AS6325 ILLINOIS-CENTURYLEVEL3Proxy-registered route objectLEVEL3-MNT
167.165.0.0/16AS394534 CITYOFCHICAGO-ASN-01RADBCity of Chicago - Management Information SystemsMAINT-AS6325
More specific

Prefixes inside 167.165.0.0/16

9 announced prefixes fall inside this one.

Show the 9 prefixes
167.165.0.0/17 AS394534 CITYOFCHICAGO-ASN-01167.165.128.0/17 AS394534 CITYOFCHICAGO-ASN-01167.165.222.0/23 AS394534 CITYOFCHICAGO-ASN-01167.165.230.0/24 AS394534 CITYOFCHICAGO-ASN-01167.165.231.0/24 AS394534 CITYOFCHICAGO-ASN-01167.165.232.0/23 AS394534 CITYOFCHICAGO-ASN-01167.165.234.0/24 AS394534 CITYOFCHICAGO-ASN-01167.165.238.0/24 AS394534 CITYOFCHICAGO-ASN-01167.165.239.0/24 AS394534 CITYOFCHICAGO-ASN-01
Tools

Check 167.165.0.0/16 live

Looking glassIP to ASN APIRPKI APIIRR API