ResearchRouting table, looking glass, RPKI & IRR

203.115.192.0/18 Arcnet NTT MSC ISP

Announced by AS10204 Arcnet NTT MSC ISP. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 203.115.192.0/18

Prefix
203.115.192.0/18
Origin
AS10204 ARCNET-NTTMSC-MY
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
14
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-14 12:02 UTC
Paths

How 203.115.192.0/18 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 2914 10204
OriginAS10204 Arcnet NTT MSC ISP
Origin codeIGP
Communities2914:410 2914:1401 2914:2407 2914:3400 3356:3 3356:22 3356:86 3356:575 3356:666 3356:901 3356:2013 36601:150 36601:2001 36601:13760
Updated8h 47m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 10204
OriginAS10204 Arcnet NTT MSC ISP
Origin codeIGP
Communities903:900 903:13760
Updated6d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 10204×3
OriginAS10204 Arcnet NTT MSC ISP
Origin codeIGP
Communities36295:100
Updated6d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 10204×3
OriginAS10204 Arcnet NTT MSC ISP
Origin codeIGP
Communitiesnone
Updated6d 19h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3491 17645 10204×2
OriginAS10204 Arcnet NTT MSC ISP
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated10d 12h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS10204 to originate 203.115.192.0/18 up to /18. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
203.115.192.0/18/18AS10204 ARCNET-NTTMSC-MYAPNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
203.115.192.0/18AS10204 ARCNET-NTTMSC-MYNTTCOMArcnet NTT MSC ISP 43000 Persiaran APEC 63000 Cyberjaya MALAYSIAMAINT-ARCNET
203.115.192.0/18AS10204 ARCNET-NTTMSC-MYRADBPACNET (proxy-registered route object)MAINT-AS4637
More specific

Prefixes inside 203.115.192.0/18

14 announced prefixes fall inside this one.

Show the 14 prefixes
203.115.192.0/19 AS10204 ARCNET-NTTMSC-MY203.115.192.0/20 AS10204 ARCNET-NTTMSC-MY203.115.199.0/24 AS10204 ARCNET-NTTMSC-MY203.115.200.0/24 AS10204 ARCNET-NTTMSC-MY203.115.201.0/24 AS10204 ARCNET-NTTMSC-MY203.115.208.0/20 AS10204 ARCNET-NTTMSC-MY203.115.208.0/21 AS10204 ARCNET-NTTMSC-MY203.115.211.0/24 AS10204 ARCNET-NTTMSC-MY203.115.224.0/19 AS10204 ARCNET-NTTMSC-MY203.115.225.0/24 AS10204 ARCNET-NTTMSC-MY203.115.226.0/24 AS10204 ARCNET-NTTMSC-MY203.115.236.0/24 AS10204 ARCNET-NTTMSC-MY203.115.237.0/24 AS10204 ARCNET-NTTMSC-MY203.115.238.0/24 AS10204 ARCNET-NTTMSC-MY
Tools

Check 203.115.192.0/18 live

Looking glassIP to ASN APIRPKI APIIRR API